Document JN1KZMaNB1LBgYY2JXgyXkJEe

The America Ceramic Society PLAINTIFFS b EXHIBIT icrnfavoo February 15,1993 I hereby certify that the attached copies of Ceramic Abstracts, Volume , 1951, are true and accurate copies, which are maintained in the normal course of business at the American Ceramic Society, 735 Ceramic Place, Westerville, Ohio 43081. Christine Schnitzer Product Manager Ceramic Information Center 735 Ceramic Place Westerville, Ohio 43081-8720 614-890*4700 TWX: 7101109409 CERAMIC ABSTRACTS 1951 Charles S. Pearce, Editor Mary J. Gibb, Assistant Editor Thelma J. Cecil, Editorial Assistant Committee on Publications: Karl Schwartzwalder. Chairman: R. E. Birch, J. J. Canfield, and C. H. Hahner Technical Advisers: L. G. Farber, Ralph Rose, and Betty T. Owen Compiled by The American Ceramic Society 2525 North High Street Columbus 2, Ohio 42! Ceramic Abstracts Febn Organizing a research department for results. F. L. Mat thews. extern, lads.. 07 [:jj 402-404. 452. 4.34 ilOiUll.--M. dis- properties, and application of binding materials and gives scription of the most important types of shapes made from cusses the objectives of a research department under product de ing materials. q 2; velopment. process development, application research, and prod uct improvement, and its organization under groups, group Index of Nomograms. Douglas P! Adams. Tcchml Press. Massachusetts Institute of Technology, Coinbr' leader, and service functions. B.O.M. John Wiley & Sous. Inc.. Xew York. l`.50. 174 pp. Production of fused silica. B. A. Rooms. W. J. Kroll, and 84.00. Reviewed in Chem. [nds., 67 [l] U4 (1050).__X. H. P. Holmes. T'ans. EJectroelum. Sue., 92, 115-2(1 (1047).-- __ grams ore indexed hy key words and tabulated under divis The present manufacture of silica products is reviewed, and such as physics, chemistry, etc. E.Q.: production methods are outlined. The reactions between hoc Kent's Mechanical Engineer's Handbook: VoL II, Design silica and hot carbon in electric furnaces are analyzed briefly. Under experimental work, the production of silica ingots weigh ing up to 40 ib. (Id.I kg.) in both graphite-resistor and electricarc furnaces is described. Data presented are sufficient for a rough estimate of the cost of production. 52 references, 3 figures. F.G.H. . Production. 12th ed. Coun Carmichael, editor. John 6 5c Sons, Inc., Xew York 16. 1930. 1660 pp. Price 8S.o0.-f book contains sections on glass, refractories, electrical pored; brick and tile, and abrasives. Other subjects of interest to1 assists, such os temperature-measuring instruments, are! __ cussed. The data given on ceramic products is of a gef Respiratory disease--an industrial hazard. A. T. Dote. nature and consists chiedy of physical and chemical proper G&ugox Med. J., 30 [July] 235(19401; abstracted in Arch. tnd. applications, etc. They are of incernt chiedy to mechanic: ffyj. and Occupational Med., 1 [3] 500 (1950).--The present design engineers and not particularly to ceramists. R.l status of knowledge of the disorders caused by industrial dusts e Occupational Specialties in Engineering: VoL U, Definiti is reviewed. Silicosis is included. D.G.P. Prepared for the Office of Xaval Research by the Amur Rote of fluorosis in industrial and alimentary hygiene. R. Society of Mechanical Engineers for the Engineers Joint Cou Trchact. Semaine iThip. (Paris). 25 [Oct. 10] 3080 (1949); Xew York IS. 1950. 112 pp.--Definitions for ten activities abstracted in Arch. Ini. Hyt- and Occupational Med., 1 [3] 307 __ for 19 engineering fields of specialization are given. The boo (1950).--Fluorosis due to fluorine compounds used in the manu was prepared to define and delineate the terms used for field facture of glass, enamel, and cement is.induded, D.G.P. specialization in the Survey of Selected Engineering Personne Safety program in a glasshouse refractories plane R. R. Patent Tactics and Law. 3rd ed. Roger Sherman He Smith. Class Ind., 31 [oj 255-56. 272 (1950V--The safety pro j Ronald Press. Xew York. 1950. 352 pp. Price 37.00. gram of the Coming Glass Works is outlined and discussed in viewed in Chem. [nds., 66 [6] 916 (1950).--H. attempts to1 three main divisions: educational, medical, and technical. quaint business executives, engineers, and inventors with eno Posters, a monthly plant magazine, and a suggestion system with of the fundamentals of patent law and procedure to enable tl monetary awards constitute the educational phase* of the pro __ to understand and cooperate with their attorneys in pat gram. An 3-room hospital, with personnel of 3. handles the matters. E.D.i; medical requirements. The technical program is based on a Review of Literature on Dusts. J. J. Forbes. Sara J. Dav monthly inspection and report system designed to eliminate tort, and Genevieve G. Morcis. C. S. Bur. Mines Bt hazards. Plant problems fell into 6 categories: dust, heat, t Xo. 478, 333 pp. (1950). Price 65c from Supt. of Documei heavy lifting, moving machinery, acid handling, and Are. De Govt. Printing Office. Washington 25. D. C.--The book cont: tailed methods of dealing with each type of hazard are given. a resume of the physiological 'effects of breathing dust, type: As a*1 result of this program, the average accident frequency for ' injurious dusts, silicosis, methods of preventing dust disea: the Last five years has been 11 disabling accidents per million __ methods of determining dusts in air. economic and legal asp* man-hours worked. The 1943 frequency for the day-products of dust diseases, and costs of compensation for silicosis. industry as a whole was 19.53. W.W.C. L.M.M Some ceramic ideas from Portland cement V. D. Frchstte. J. Can. Ceram. Soc., 19, 68-72 (1950).--A high degree of develop / ment in research and control methods has been reached in the PATENTS Portland cement industry. Developments indicate lines of Assembling slabs and kiln furniture in ceramic kilns. Re attack in research in other branches of ceramics. Examples Amand & C. Fr. 952,662, May 2, 1949 (Sept. 3. 1947).--A s include the quantitative use of phase diagrams in plant control, -- assemblage of high resistance to flexural stresses between the pc quantitative determination of glass content by heat of solution, is obtained by using a mortise and tenon joint between the sL and phase identification by polish-etch microscopy. G.MJL Technical education for tho dayworker. M. S. Whxtxhousx. and the posts. S.F.C Producing a ceramic body having longitudinal passages. S Ceramics. 2 [15] 138--10 (1950).--W. gives a brief outline of the g lek Pro Chemicxou a Hutni Vyrobu. Xaaooni Podn institutions where technical education in ceramics can be ob Brit 631,819, Xov. 23. 1949 (June 23. 1943).--A ceramic h tained. A.B.S. exchanger is described. The body is hard porcelain or cordier Universities tnd ceramic education. A. L. Roberts. Ce to which mineralizers or plasticizers may be added: TiO- ir ramics. 2 [15] 142-44 (1950).--In Great Britain the universities -- also be added. B.C.R.A train' technologists by (1) sound preliminary training in pure i science and engineering and (2) systematic instruction in apply Additional abstracts \ ing that science to specific industries. The University of Leeds may he the first in Great Britain to have a course leading to h B-Sc. with honors in Ceramics. A.B.S. I Sect VIII: Slip casting. Sect X: Measurement of the pla: working properties of days. | SEPARATE PUBLICATIONS Elements of Patent Law. Fred H. Rhodes. Cornell Univer sity Press, Ithaca. X. Y.. 1949. 190 pp. Price 82.75. Reviewed in Chem. Ms.. 66 [6] 916 (1950). E.D.M. Employment Outlook for Engineers. Prepared by Harold Colostein, Robert W. Cain, Cora E. Tavlor, Chester F. Schimmel. 8T al. C. S. Dept. Labor Bur. Labor Statistics Butt., Xo. 968, 119 pp. (1950). Price 30< from Supt. of Documents, Govt. Printing Office, Washington 25. 0. C. General Treatise of the Technology of Silicates (Obshchil kurs tekhnologii silikacov); I and 1L Yu. M. Butt and M. A. Matveev. Published hy Promstrolizdac. Moscow, U.S.S.R.. 1948.! 352 pp. Price 12.80 rubles.--Part l covers the com position, characteristics, methods of beneficiacion. and extrac tion of silica (anhydrous and aqueous silicas), alumina, carbon ate. sulfate, feldspar, and synthetic raw materials of silicates. Part If rovers tcchnnlnvieal nrncesses of production, composition. i _ J correction On the title page for Ceramic Abstracts published in the December 1950 issue, the Committee on Publications is listed incorrectly. The present Committee is as follows: Karl Schwartzwalder, Chairman; R. E. Birch, J. J. Canfield. and C. H. Hahner. Reprints of the corrected title page have been made.' and members who bind Ceramic Abstracts may obtain a new title page by writing to the American Ceramic Society. 2525 Xorth High Street. Columbus 2. Ohio. j jMI XII", Central and Historic tt,c surface-active ortunic addition?* b described, and flotation b Specially discussed in retard to difficulties observed in practice. the properties and uses of synthetic sapphire are briefly descrilied. Its melting point of 2020* makes it ideal for refractory supports Sturtinf from experience in the field of ore separation by flotation methods, the particular conditions for the flotation of carbonate at high temperatures, especially as its tensile properties remain unchanged. It has also been used Tor furnace inspection win and silicate minerals are described in detail, includint calcite and dows. burner nozzles, atomizer orifices, and extrusion dies for the cement raw materials, typsum. barite, phosphorite, and baux work at very high temperature. 3 diagrams. 8 photos. \V_A. ite In the chapcer on the flotation of silicates, quarti-feldspar separation b emphasized, and the nature of the micas, vermicu* SEPARATE PUBLICATIONS lice, and clay minerals b explained. The last croup comprise* Clayworker*s Handbook. 2th ed. Alfred B. Sxarlr. the'aluminum silicates, sillimanite. andalusite. and kyanitc. with Chas. Griffin & Co.. Ltd.. London. 1949. 392 pp.. 41 illustra trhicb extensive experience was not available in Europe before tions. Price 86.92 from Mapleton House. Brooklyn. X. Y.--The and other minerals such as spodumene. beryl, etc. Addi k materials, operations, and machinery for clay working in general tional sufStstions are given for mineral pigments (ochers. hema are treated in a popular manner with many interesting and in tite. etc.). W.E. structive examples. References to current literature are in Fluxes for automatic welding. A. Pelixan. Sklatske Rozh- cluded. All operations in the use of clay, mining, preparation. Itdy. 26 (2-3| 36-33 11920).--A part of the glass factory in An- __ mixing, forming, transportation, firing, packing, and testing, are toninuv Dul was converted for the manufacture of welding fluxes noted. One of the most detailed chapters covers the causes and to aid automatic welding processes similar to those used in making cure of about 90 defects found in finished clay products. The Liberty ships in the U. S. The fluxes (alkaline-earth silicates) chapter on tests, analysis, and control gives details of instruments contain 10 to 42?e manganese and must be controlled to viscosi e needed for control. The appendix contains references to 338 ties of 2 to S poises at 1500`C.. expansions of 63 to 80 X 10"'. books publbbed before 192S and a Ust of 30 current journals. and softening points of 600* to 6S9*C. X.J.K. H.K.R. Measuring relative humidity--experiments with sintered Engineering Method. John Charles Lounsbury Fisk. Stan- ceramic blocks. A. C. Thomson. Elec. Redns (London). M7 __ ford University Press. Stanford. Calif., 1920. 186 pp.. 27 figures. (3302] 640--41 (1920).--Sintered ceramic blocks 4x3x2 mm. are Price 23.00.--"The Engineering Method," organized in thb being investigated by the Britbh Scientific Instrument Research special volume from material presented originally in "The Engi Assoc, as hygrometers. The electrical resistance may well change neering Profession," formulates for students the system of logic from 1000 J/0 to 1 J10 when the relative humidity changes j and reasoning that b the mark of the practicing engineer. Xon- from 10 to 92?c. and the response b rapid. Development work technical problems are solved by way of illustration, and the steps b in progress. WJL of the method are enlarged. F. then discusses practical condi Milestone in research. Anon. Am. Ceram.- Soe. Bull.. 30 tions that control the use of the engineering method and solves [1: 1-4 (1921). 7 photos. __ four problems. Inescapable uncertainties in engineering work Patent law revision. Harry Goldsmith. Chcm. Inds.. 67 are studied in the final section, together with ways of coping with S84-S2, 92S (1920).--The first general revision and codifica them. tion of the patent laws since 1S70. H. R. 9133. b discussed. The General Survey of Work by Dr. Ryschkewitsch Largely in proposed legislation -would consolidate exbting legislation and t Field of Ceramics. Prepared by Captured Personnel and provide for certain changes, such ai provision for "use" patents Material Branch. Military Intelligence Drv.. U. S. War in a limited sense, write into statutory law the doctrine of con Department. BJ.O.S. ilise. Rept.. Xo. 107, HO pp. H. M. tributory infringement, set up an objective test or standard for Stationery Office. London. Price 9x. PB 97,646, Office of Tech- .determining invention, permit publication of pending applica __ aical Services. Washington 22. D. C.. price 22.72.--The paper tions. allow changes by inventors under certain conditions, pro b subdivided into five parts: (1) In a general survey, the exten vide for so-called patents of addition, and protect intervening sive work in electrochemistry and ceramics done by Rysch rights where patents are reissued. E.D.M. kewitsch b outlined. Of particular interest are the fundamental Progress in the technology of ceramics. Folks Sandford. f studies in the field of oxide ceramics, which are described in his Ckem.-Ing. Tech., 22, 165-6S (1950): abstracted in Chem. Zentr., book {Ceram. Abstracts, 1949, Oct., p. 233g). and the successful Ill II [Si 929 (19201.--'The following topics are discussed: cor evolution of a modern type of high-temperature gas- or liquid rect furnace operation: relation between color and admixture in fuel-fired furnace. The production of sintered (shrunk) alumina. brick masses (formation of the system AliOj-Fe;Oj): additions -- which was first started by Siemens (Werk Spandaui for heavy- to improve the plasticity of lean clays and kaolins, e.g.. by the duty spark plugs, was. under the auspices of R.. developed to full mixture CaO-Al;(SO,!i: preparation of set gypsum by treatment industrial size by Degussa. The high importance of shrunk with salt solutions; acceleration of the melting of glazes by addi alumina was also practically applied to hard tools, and many tions of salts, the mineral petalite being the best: and influence g contributions in thb field were advanced by R. His further work of the humidity of the air on sifting (optimum 40 to 60*^). on high-refractive oxides included ZrO;. BeO. MgO, etc. Meth M.Ha. ods and numerical data on the physical properties of the shrunk Report of the third International Conference of Experts on oxides were systematically developed. The interesting problem Pneumoconiosis. Anon. Ball. Inst. Mining ifet., 1920, No. -- of the "fuel element" with the highest possible thermodynamic 224. pp. 19-27.--None of the current concepts of the ways in efficiency was one of the first objectives of these studies of high- which dust acts on the lungs U fully acceptable to the committee. resistance oxides. The rich field of hard alloys, especially of car 1- general the larger sizes of fibrous dusts such as asbestos appear bides and elementary boron, and the problem of mixed ceramics. to be more harmful, whereas in many other mineral dusts the h particularly for gas-turbine blades, were extensively studied. smaller sizes are more injurious. There b no conclusive evidence (II) The yield strength of SiC with a ceramic binder for use as an on the effectiveness or otherwise of A1 powder inhalation in sili abrasive b dealt with. The body, on a clay-feldspar-quartz cosis. An appendix outlines suggestions for an international basb. had the Seger formula 0.1 alkali. 0.2 AI:0>: 1.0 SiO;. The scheme for the classification of radiographs in some of the pneu -- samples were pressed in steel molds, sintered, and-examined by moconioses. V.A. ceramic methods. The maximum strength of the mixtures was Statistical consideration on the mixing of powdery materials. attained at sintering temperatures increasing-with the addition bctxiCHt Miyaci. J. Ceram. Assoc. Japan. 58 (C24| 417-20 of SiC. as a consequence of the defective molecular contact of SiC 19,**)).--Mixtures of calcium carbonate and silica were analyzed. t with the ceramic bond. The coated grains support the silicate 2nd from the analytical data the completeness of mixing b db- body with slight temporary deformation as long as their amount cussed. K.Y. b not too large. (Ill) This part, published in Bcr. dcut. keram. s Stream pollution: Its prevention and eonfrol. Melvin N'ord. Ces., 1942. 1944. and 1942. concerns the bending strengths of C/.Tin. Inds., 67 ]C] 893-90. 904 (19201.--Stream pollution, stream -- pure shrunk oxide ceramics. These data and those, ia.the follow s-mtution. and the dispersion of waste effluents are discussed. ing part (IV) belong to the fundamental facts of modem oxide Tiu- treatment of wastes b considered under the headings of ceramics and deserve a particularly careful study Jor details see mechanical separation, hydraulic separation, chemical coagula R.'s book). (Vi The chemical resistance of sintered oxides is tion, chemical and physical reactions, disinfection, and biological ; discussed, especially of crucibles for laboratory use nude of needs. What the law says. Ibid.. pp. SW7-9N. N*. discusses the AltOi. BcO. ZrOi. ThO:. and spinel. The results are expressed vital liabilities. E.D.M. in curves of "integral corrosion." at constant temperature* with Synthesis of sapphire: a new British industry. K. W. Brown. molten soda and XaOH. Under special conditions, the chemical tr.urument Practice, 2 ]21 88-94 (1920).--The furnace used and resistance of BeO can be considerably improved. W.E.