Document djZ3b9oqnDVBKNqMZne3Jzd6

^AafUSt S*. 1973 'j.'ii. V . : .' PATENTS & CONTRACTS UNIT ' STAPP NOTES - ... >i Safety Injuries Sub-Hajor Mft^osr O ff--The--Job . , ' 17* t ' This 0 0 0 0 To-Date ig?l... Year-To-Date 00 00 O0 Deletions 8/1/73 .0 ,17v S/ Du Pont testimony supporting SPA proposed Pule 66type hydrocarbon regulations has been presented in Massachusetts and New Jersey. Similar testimony has been presented inColorado . The BPA hiM published iour proposed plans reflecting alternate approaches to defining significant deterioration of bn these planswill be held"between- Augusta? and Sept. 6 and; written comment# may be submitted before October 13, ' Du Pont participation is unlikely at this stage, ' BBS N38317 ff;** ' i .34 , 9SHA ha* revised it* ftosrgeney *mp&x*xy Standard on . certain carcinogen* in recognition of the fact that some opera- . tlons are within closed systems and that different control wmmxm may ha appropriate. Mansfacturing hi*. in evaluating .-s the ffct of the revised standard on the ft# Madison plant. this- patent which dominated the WA-type acrylonitrile copolymer eggeege wax#- utilised primarily in *metek? with enamels' axpired in .duly# '; freedom to practice the;, invention without the rovsltv fee #f two - cants uer *>*<< of . polymer solids provides an incentive to expand tho utilization of tho WA-typ* polymere.' Hoxa recent patent .art relates to specific aqueous dispersion acrylonitrile copolymex ccanposition which will need to ha considered if there is significant devia- - tion from tho WA-type coapesitions. Pox example, 9.8.9. 3,749,690 issued to celanase on duly 31, 1973, relating to a latex paint based on i dinpersioa of a ;tatXipol|wax of acrylonitrile, an ftiKyi pCPtyiiihfi mXt &cxyi.ii2tt&a0 ipcx oftscDcxKy*x c $wtOoi * C& :-;$h*fe. eppoaxs to ha increased activity in the direc- '. tion of enforcement of the patents relating to ultrafiltxation :< and utilisation of raverse osmosis in olootroooating operations, patents assigned to 990 Industries and to ICI being pertinent. . tmtmrAB iiiuid ^out s y#tur iirOi Mt & iliant;* . 3,749,637 was issued to 996 oh'IWfcf 31, 1973, relating to treatment of .-wXdMiiiftai* **> rinse water bv a crocesa which ; include* an ultrafiltration ctep. ' f|i published atoetraet da** for a: couparisha of eoope verSua the earlier PPG ' inventions.' but this ' comoarlaon will ha. a>in when the oatent with its 25 claima in available. CEB DUP050049605 / The Patent Office haa issued a notice of interference (interference. Ha. $8,387} between two claims 4ti liuwaanui and Otrugar WTMUISf-d relating to polyamide-imide polymers having an ordered structure and corresponding claim* in an application, assigned to Hitachi Chemical company of dipno. *f*181S-& ia accorded benefit of *he Swam 30, 1867, filing data of tit# parent application, the Hitachi application having filing date duly 17, 1967. OT-ms-A in Only 1971 wan involved in a fear party Interference ...$$0. 97831) which was dissolved in November 1972 with the interference donate being unpatentable to the other three parties. ' In connection with that interference a - settlament: aereenent was executed errantina the several parties - non-exclusive, irrevocable, royalty-free licenses under the resoective ***iali c*lr>ni involved in eta: interfetfeaCeL- it ascears yppy<iipyf%ta o ffln>yi>i* settlement action ia:'connection with the current interference. Industrial Products ivision has no current or contemplated Interest in the p^iyy defined by ff1818-*A> " 7 . , GIMipeb 0, I, ******-*-** DUP050049606