Inventor

HEFNER JOHN G

US8 patents

Patents

8 patents

US5312938AMay 17, 1994

Homogeneous catalysts and olefin polymerization process

DOW CHEMICAL CO23 citations92

US5045517ASep 3, 1991

Catalyst and process for preparation of syndiotactic polystyrene

DOW CHEMICAL CO24 citations92

US5565547AOct 15, 1996

Catalyst for the preparation of linear carbon monoxide/alpha-olefin copolymers

DOW CHEMICAL CO9 citations73

US5196490AMar 23, 1993

Process for preparation of syndiotactic polystyrene

DOW CHEMICAL CO16 citations73

US4956323ASep 11, 1990

Catalysts prepared from tetrakis(dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewith

DOW CHEMICAL CO8 citations72

US4892914AJan 9, 1990

Catalysts prepared from tetrakis(dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewith

DOW CHEMICAL CO14 citations72

US5194532AMar 16, 1993

Homogeneous catalysts and olefin polymerization process

DOW CHEMICAL CO11 citations71

US5554777ASep 10, 1996

Catalyst for the preparation of linear carbon monoxide/alpha-olefin copolymers

DOW CHEMICAL CO5 citations62