Inventor · disambiguated record
Akhtar Osman
Also filed as: OSMAN AKHTAR
17 granted patents·8 pending applications·294 citations·filing 1988–2013
94Inventor score
Top patents by PatentIndex Score
25 records- 0191US4943616ALiving cationic polymerization processPOLYSAR LTD·Filed 1989·Granted Jul 24, 1990·80 cites·37 claims
- 0283US5260383APolyisobutylene based block copolymersPOLYSAR RUBBER CORP·Filed 1991·Granted Nov 9, 1993·37 cites·12 claims
- 0382US5428119AProcess for polybutadiene production using catalyst with high activityPOLYSAR RUBBER CORP·Filed 1993·Granted Jun 27, 1995·38 cites·18 claims
- 0481US5412045APreparation of high cis-1,4-polybutadiene with reduced gelPOLYSAR RUBBER CORP·Filed 1994·Granted May 2, 1995·35 cites·11 claims
- 0576US5397851AProcess for cis-1,4-polybutadiene production with reduced gel formationPOLYSAR RUBBER CORP·Filed 1993·Granted Mar 14, 1995·28 cites·11 claims
- 0675US7148303B2Butyl-type rubber with high hardnessLANXESS INC·Filed 2005·Granted Dec 12, 2006·3 cites·7 claims
- 0768US6350833B1Method for the suspension polymerization of conjugated dienesBAYER AG·Filed 2000·Granted Feb 26, 2002·8 cites·8 claims
- 0862US5362817APolyisobutylene based block copolymersPOLYSAR RUBBER CORP·Filed 1993·Granted Nov 8, 1994·10 cites·12 claims
- 0961US7323516B2Peroxide curable butyl formulations for rubber articlesLANXESS INC·Filed 2004·Granted Jan 29, 2008·4 cites·9 claims
- 1059US4908421AProduction of terminally functional polymer by cationic polymerizationPOLYSAR LTD·Filed 1988·Granted Mar 13, 1990·11 cites·22 claims
- 1155US2014171581A1Peroxide vulcanizable butyl compositions useful for rubber articlesLANXESS INC·Filed 2013·Application pending·0 cites
- 1254US5244965APolymer solution treatment processPOLYSAR LTD·Filed 1989·Granted Sep 14, 1993·9 cites·8 claims
- 1353US4944926AMethod to treat rhodium-containing solutionsPOLYSAR LTD·Filed 1988·Granted Jul 31, 1990·8 cites·7 claims
- 1450US5342908AProcess for preparing halobutyl-type polymerPOLYSAR RUBBER CORP·Filed 1993·Granted Aug 30, 1994·7 cites·2 claims
- 1549US7081502B2Peroxide curable compounds based on butyl-like polymer without conjugated aliphatic dienes in its compositionLANXESS INC·Filed 2003·Granted Jul 25, 2006·1 cites·11 claims
- 1648US2008081872A1Butyl adhesive containing maleic anhydride and optional nanoclayOSMAN AKHTAR·Filed 2007·Application pending·0 cites
- 1746US2010010140A1Peroxide curable rubber compound containing high multiolefin halobutyl ionomersLANXESS INC·Filed 2006·Application pending·0 cites
- 1843US5629386AHalomethylation of polymerBAYER RUBBER INC·Filed 1995·Granted May 13, 1997·7 cites·12 claims
- 1943US5473029AProcess for preparing butyl polymers with allylic halide functionalityBAYER RUBBER INC·Filed 1994·Granted Dec 5, 1995·5 cites·12 claims
- 2043US2008293852A1Peroxide Vulcanizable Butyl Compositions Useful For Rubber ArticlesGRONOWSKI ADAM·Filed 2005·Application pending·0 cites
- 2140US2005124775A1Method of improving reversion resistanceFiled 2004·Application pending·0 cites
- 2238US2010036037A1Polymerization process for preparing butyl rubber nanocompositesLANXESS INC·Filed 2007·Application pending·0 cites
- 2336US2003050183A1Process for the preparation of diene polymersFiled 2002·Application pending·0 cites
- 2434US5453473AReduced fouling in process for production of EPBAYER RUBBER INC·Filed 1993·Granted Sep 26, 1995·3 cites·2 claims
- 2534US2006264575A1Peroxide cured butyl compositions having improved hardness and compression setGRONOWSKI ADAM·Filed 2005·Application pending·0 cites
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