Inventor
OSMAN AKHTAR
CA17 patents
⚠️ This page may combine multiple inventors who share the name “OSMAN AKHTAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLYSAR RUBBER CORP
6 patentsUS5260383ANov 9, 1993
Polyisobutylene based block copolymers
POLYSAR RUBBER CORP37 citations92
US5428119AJun 27, 1995
Process for polybutadiene production using catalyst with high activity
POLYSAR RUBBER CORP38 citations90
US5412045AMay 2, 1995
Preparation of high cis-1,4-polybutadiene with reduced gel
POLYSAR RUBBER CORP35 citations90
US5397851AMar 14, 1995
Process for cis-1,4-polybutadiene production with reduced gel formation
POLYSAR RUBBER CORP28 citations90
US5362817ANov 8, 1994
Polyisobutylene based block copolymers
POLYSAR RUBBER CORP10 citations73
US5342908AAug 30, 1994
Process for preparing halobutyl-type polymer
POLYSAR RUBBER CORP7 citations73
POLYSAR LTD
4 patentsUS4943616AJul 24, 1990
Living cationic polymerization process
POLYSAR LTD80 citations96
US4908421AMar 13, 1990
Production of terminally functional polymer by cationic polymerization
POLYSAR LTD11 citations74
US5244965ASep 14, 1993
Polymer solution treatment process
POLYSAR LTD9 citations71
US4944926AJul 31, 1990
Method to treat rhodium-containing solutions
POLYSAR LTD8 citations71
BAYER RUBBER INC
3 patentsLANXESS INC
3 patentsUS7323516B2Jan 29, 2008
Peroxide curable butyl formulations for rubber articles
LANXESS INC4 citations61
US7148303B2Dec 12, 2006
Butyl-type rubber with high hardness
LANXESS INC3 citations61
US7081502B2Jul 25, 2006
Peroxide curable compounds based on butyl-like polymer without conjugated aliphatic dienes in its composition
LANXESS INC1 citations51