Assignee
POLYSAR RUBBER CORP
CA·24 granted patents·526 citations·filing 1988–1994
Top patents by PatentIndex Score
24 records- 0188US5208294AHydrogenated nitrile vulcanizatesPOLYSAR RUBBER CORP·Filed 1991·Granted May 4, 1993·57 cites·7 claims
- 0284US5371313APurification of hydrocarbon streamsPOLYSAR RUBBER CORP·Filed 1993·Granted Dec 6, 1994·34 cites·9 claims
- 0383US5260383APolyisobutylene based block copolymersPOLYSAR RUBBER CORP·Filed 1991·Granted Nov 9, 1993·37 cites·12 claims
- 0482US5428119AProcess for polybutadiene production using catalyst with high activityPOLYSAR RUBBER CORP·Filed 1993·Granted Jun 27, 1995·38 cites·18 claims
- 0582US5237015ACore-shell polymer for use in tire treadsPOLYSAR RUBBER CORP·Filed 1991·Granted Aug 17, 1993·65 cites·20 claims
- 0682US5208296ANitrile rubber hydrogenationPOLYSAR RUBBER CORP·Filed 1992·Granted May 4, 1993·38 cites·10 claims
- 0781US5412045APreparation of high cis-1,4-polybutadiene with reduced gelPOLYSAR RUBBER CORP·Filed 1994·Granted May 2, 1995·35 cites·11 claims
- 0880US5442020ABimetallic metallocene alumoxane catalyst system and its use in the preparation of ethylene-alpha olefin and ethylene-alpha olefin-non-conjugated diolefin elastomersPOLYSAR RUBBER CORP·Filed 1994·Granted Aug 15, 1995·36 cites·7 claims
- 0976US5397851AProcess for cis-1,4-polybutadiene production with reduced gel formationPOLYSAR RUBBER CORP·Filed 1993·Granted Mar 14, 1995·28 cites·11 claims
- 1074US5276094ACompositions of butyl elastomers and block copolymers of polyisobutylenePOLYSAR RUBBER CORP·Filed 1992·Granted Jan 4, 1994·24 cites·10 claims
- 1170US5210151AHydrogenation of nitrile rubberPOLYSAR RUBBER CORP·Filed 1992·Granted May 11, 1993·21 cites·9 claims
- 1265US5407974ASolution polymer recovery processPOLYSAR RUBBER CORP·Filed 1994·Granted Apr 18, 1995·18 cites·8 claims
- 1362US5362817APolyisobutylene based block copolymersPOLYSAR RUBBER CORP·Filed 1993·Granted Nov 8, 1994·10 cites·12 claims
- 1462US5258467ACatalytic solution hydrogenation of nitrile rubberPOLYSAR RUBBER CORP·Filed 1992·Granted Nov 2, 1993·16 cites·10 claims
- 1556US5068275APlasticized hydrogenated nitrile rubberPOLYSAR RUBBER CORP·Filed 1990·Granted Nov 26, 1991·13 cites·4 claims
- 1650US5342908AProcess for preparing halobutyl-type polymerPOLYSAR RUBBER CORP·Filed 1993·Granted Aug 30, 1994·7 cites·2 claims
- 1750US5264494AHalogenated butyl rubber graft copolymersPOLYSAR RUBBER CORP·Filed 1991·Granted Nov 23, 1993·11 cites·22 claims
- 1844US5118716AIon exchange resins having carbodithioate groupsPOLYSAR RUBBER CORP·Filed 1990·Granted Jun 2, 1992·9 cites·5 claims
- 1940US5241013ACatalytic hydrogenation of nitrile rubberPOLYSAR RUBBER CORP·Filed 1992·Granted Aug 31, 1993·5 cites·8 claims
- 2040US5227463AProcess for the manufacture of functionalized resins from styrene, divinyl benzene and alkane dithiolPOLYSAR RUBBER CORP·Filed 1992·Granted Jul 13, 1993·4 cites·8 claims
- 2137US5268051ASelf-bonding tapesPOLYSAR RUBBER CORP·Filed 1988·Granted Dec 7, 1993·5 cites·11 claims
- 2231US5307695AWater sampling unitPOLYSAR RUBBER CORP·Filed 1992·Granted May 3, 1994·9 cites·4 claims
- 2314US5213144AValve opening devicePOLYSAR RUBBER CORP·Filed 1992·Granted May 25, 1993·4 cites·3 claims
- 2413US5144832AFlow characterization apparatus and processPOLYSAR RUBBER CORP·Filed 1991·Granted Sep 8, 1992·2 cites·5 claims
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