Document NewpqMmN8kJOze4YmoONpgnyE

In t. a .: 1 Prior U.S. a . : 1 United States Patent and Trademark Office Reg. No. 589,928 Registered M ay 18,1954 10 Year Renewal Renewal Term Begins M ay 18, 1994 TRADEMARK PRINCIPAL REGISTER yku-uwstom: TALK LUZENAC AMERICA, INC. (DELA WARE CORPORATION) 9000 E. NICHOLS AVENUE, SECOND FLOOR ENGLEWOOD, CO 80112, BY CHANGE OF NAME, ASSIGNMENT, MERGER AND CHANGE OF NAME AND AS SIGNMENT FROM SIERRA TALC & CLAY COMPANY (CALIFORNIA COR PORATION) LOS ANGELES 22, CA THE WORD "TALC" IS DISCLAIMED APART FROM THE MARK AS SHOWN. FOR: TALC, IN CLASS 1 (INT. CL. 1). FIRST USE 12-31-1949; IN COMMERCE 12-31-1949. SER. NO. 71-635,241, FILED 9-13-1952. In testimony whereof I have hereunto set my hand and caused the seal o f The Patent and Trademark Office to be affixed on Oct. 11, 1994. COMMISSIONER OF PATENTS A N D TRADEM ARKS PLAINTIFFS EXHIBIT CAM-107 UNITED STATES PATENT OFFICE ****. Registered May 18, 1954 589,928 PRINCIPAL REGISTER Trade-M ark Ser. No. 635,241, filed Sept. 13,1952 YELLOWSTONE TALK Sierra Talc &Clay Company (California corpora tion) 5509 Randolph St. Los Angeles 22, Calif. For: TALC, in CLASS 1. First used on or about Dec. 31, 1949, and in commerce on or about Dec. 31,1949. The word "Talc" is disclaimed apart from the mark as shown. *^ Internet Transmission Date 03/ 11/2004 International Class: 001 SPECIMEN Registration Number: 0589928 Serial Number: 71635241 71635241 ATASHET Internet Transmission Date 03/ 11/2004 International Class: 001 SPECIMEN Registration Number: 0589928 Serial Number: 71635241 71635241 i-.V' 1 1 Luzenac America, Inc. 800-325-0299 303-643-0400 Fax: 303-643-0446 www.luzenac.com email: LNAsales@america.luzenac.com DATASHEET YELLOWSTONE DESCRIPTION & APPLICATIONS TYPICAL PROPERTIES CHEMICAL ANALYSIS MINERAL ANALYSIS (By X-Ray Diffraction) PARTICLE SIZE DISTRIBUTION (By Sedigraph) Luzenac's Yellowstone Is high purity, microcrystalline, talc. Due to its low alkali content, Yellowstone is a superior talc product for steatite insulators meeting L4 - L6 specifications. Yellowstone also is used as a flux for high-alumina ceramics and sanitary ware, and the low calcium content makes it an excellent substate for cordierite catalyst supports. 200 Mesh, % passing* .......................................................................................................99.5 325 Mesh, % passing....................................................................................................... 95 Brightness, G E B *...............................................................................................................80 Surface Area, m2/ g .................................................................................................................9.5 Specific Gravity...................................................................................................................... 2.8 pH, 10% Slurry.......................................................................................................................9.5 Loose Bulk Density, lbs/ft3 ................................................................................................ 24 Tapped Bulk Density, lbs/ft3..............................................................................................50 S i02, % MgO, % Al20 3, % Fe20 3, % CaO, % LOI @ 1,000C,% 60.4 31.7 0.3 1.4 0.25 5.2 Talc, % Chlorite, % Dolomite, % 98.5 1.5 0.5 Median Diameter: 12 microns MICROGRAPH (By Scanning Electron Microscopy) 1003 NO TIC E: Although the data listed are typical, they are not production specifications. Data listed are certified only for items marked with *. To obtain exact production specifications, contact Luzenac America, Inc. The data presented are based upon tests that Luzenac America, Inc. believes to be reliable and are offered in good faith as typical of normal production, but Luzenac America, Inc. makes no warranty or representation of any kind, express or implied, regarding the information given or the product described, including any warranty of suitability for a particular purpose. Luzenac America, Inc. 345 Inverness Drive South Suite 310 Centennial, CO 80112 USA 800-325-0299 303-643-0400 Fax: 303-643-0446 www.luzenac.com Technical Information 877-767-5037 Fax: 303-799-8926 techcenter@america.luzenac.com Sales & Customer Service United States 800-525-TALC (8252) Fax: 406-285-5224 talc@america.luzenac.com Canada 800-668-TALC (8252) Fax: 905-842-9194 canada@america.luzenac.com International 303-643-0478 Fax: 720-895-9261 export@america.luzenac.com Member of the Rio Tinto Group Luzenac Europe B. R 1162 31036 Toulouse Cedex 1, France +33 5 61 50 20 20 Fax: +33 5 61 50 20 00 communication@europe.luzenac.com Luzenac Asia 3 International Business Park #01-18, Nordic European Centre Singapore 609927 +65 6890 6926 Fax: +65 6890 6927 Luzenac Sierra Avenida Central No. 126 Fracc. Industrial Esfuerzo Nacional Xalostoc, Edo. de Mexico C. R 55320 Mexico (52-55) 55699614 Fax: (52-55) 55699238