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POLYSAR RUBBER CORP

Overview
  • Total Patents
    75
About

POLYSAR RUBBER CORP has a total of 75 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets macromolecular chemistry and polymers, chemical engineering and machines are YAN YUAN-YONG, SAMSUNG ATOFINA CO LTD and SAMSUNG GENERAL CHEMICALS CO.

Patent filings in countries

World map showing POLYSAR RUBBER CORPs patent filings in countries
# Country Total Patents
#1 Japan 24
#2 United States 24
#3 Canada 22
#4 EPO (European Patent Office) 5

Patent filings per year

Chart showing POLYSAR RUBBER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Osman Akhtar 10
#2 Guo Xiang-Yao 8
#3 Rempel Garry L 5
#4 Arsenault Gilles Joseph 5
#5 Akutaa Osuman 5
#6 Mcmanus Neil T 5
#7 Knauf Thomas F 5
#8 Rempel Garry Llewellyn 4
#9 Giyarii Riyuerin Renperu 4
#10 Kishianguuyao Guo 4

Latest patents

Publication Filing date Title
US5412045A Preparation of high cis-1,4-polybutadiene with reduced gel
US5407974A Solution polymer recovery process
CA2111055A1 Eva vulcanizates
US5371313A Purification of hydrocarbon streams
US5397851A Process for cis-1,4-polybutadiene production with reduced gel formation
US5428119A Process for polybutadiene production using catalyst with high activity
CA2098672A1 Butyl rubber with a bimodal molecular weight distribution
US5342908A Process for preparing halobutyl-type polymer
US5276094A Compositions of butyl elastomers and block copolymers of polyisobutylene
JPH05239226A Improved hydrogenated nitrile rubber laminate
US5241013A Catalytic hydrogenation of nitrile rubber
US5208296A Nitrile rubber hydrogenation
US5258467A Catalytic solution hydrogenation of nitrile rubber
US5210151A Hydrogenation of nitrile rubber
US5227463A Process for the manufacture of functionalized resins from styrene, divinyl benzene and alkane dithiol
CA2057350A1 Flow characterization apparatus and process
CA2056792A1 Valve opening device
CA2055972A1 Amine modified hydrogenation of nitrile rubber
US5237015A Core-shell polymer for use in tire treads
CA2045281A1 Water sampling unit