P

Inventor

MURATA MASAHIDE

US26 patents
⚠️ This page may combine multiple inventors who share the name “MURATA MASAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOA NENRYO KOGYO KK

8 patents
US4960743AOct 2, 1990

Method for production of catalyst carrier for polymerization of olefin

TOA NENRYO KOGYO KK8 citations74
US4950630AAug 21, 1990

Method for production of catalyst component for olefin polymerization

TOA NENRYO KOGYO KK13 citations74
US4942148AJul 17, 1990

Catalyst component for olefin polymerization

TOA NENRYO KOGYO KK15 citations74
US4814312AMar 21, 1989

Method for production of catalyst component for olefin polymerization

TOA NENRYO KOGYO KK17 citations74
US4814313AMar 21, 1989

Method of production of catalyst carrier for polymerization of olefin

TOA NENRYO KOGYO KK14 citations74
US4754006AJun 28, 1988

Process for producing catalyst ingredient for use in olefin polymerization

TOA NENRYO KOGYO KK11 citations74
US4814311AMar 21, 1989

Method for production of catalyst component for olefin polymerization (P-1292)

TOA NENRYO KOGYO KK5 citations63
US4737481AApr 12, 1988

Process for producing catalyst ingredient for use in olefin polymerization

TOA NENRYO KOGYO KK4 citations63

TONEN CORP

6 patents
US5223465AJun 29, 1993

Olefin polymerization catalyst

TONEN CORP97 citations96
US5132261AJul 21, 1992

Olefin polymerization catalyst component

TONEN CORP7 citations72
US5747595AMay 5, 1998

Catalyst for the polymerization of olefines and processes for the polymerization of olefines using the same

TONEN CORP16 citations70
US5856549AJan 5, 1999

Silane compound and process for the preparation thereof

TONEN CORP2 citations61
US5130283AJul 14, 1992

Olefin polymerization catalyst component

TONEN CORP5 citations61
US5114896AMay 19, 1992

Process for the production of a catalytic component for the polymerization of olefins

TONEN CORP3 citations60

EXXON CHEMICAL PATENTS INC

4 patents
US5240894AAug 31, 1993

Method for making and using a supported metallocene catalyst system

EXXON CHEMICAL PATENTS INC320 citations97
US5541350AJul 30, 1996

Amido silyldiyl bridged catalyst components, methods of making and using

EXXON CHEMICAL PATENTS INC46 citations96
US5554704ASep 10, 1996

Controlled particle size polyolefins from silica supported prepolymerized matallocene catalyst

EXXON CHEMICAL PATENTS INC92 citations95
US5486585AJan 23, 1996

Amidosilyldiyl bridged catalysts and method of polymerization using said catalysts.

EXXON CHEMICAL PATENTS INC12 citations74

JP THE AGENCY OF IND SCIENCE A

2 patents
US6653430B1Nov 25, 2003

Butadiene polymers and process for producing conjugated diene polymers

JP THE AGENCY OF IND SCIENCE A10 citations70
US6787617B1Sep 7, 2004

Process for producing olefin living polymer

JP THE AGENCY OF IND SCIENCE A6 citations60

TONEN SEKIYUKAGAKU KK

1 patent
US5177043AJan 5, 1993

α-olefin polymerization catalyst component

TONEN SEKIYUKAGAKU KK37 citations90

TOG NENRYO KOGYO KK TONEN CORP

1 patent
US5061667AOct 29, 1991

Catalytic component for olefin polymerization

TOG NENRYO KOGYO KK TONEN CORP42 citations89

TONEN SEKIYAGAKU KABUSHIKI KAI

1 patent
US5059658AOct 22, 1991

Method of producing modified polypropylene

TONEN SEKIYAGAKU KABUSHIKI KAI22 citations86

JAPAN CHEMICAL INNOVATION INST

1 patent
US7026406B1Apr 11, 2006

Syndiotactic styrene polymers and process for the production thereof

JAPAN CHEMICAL INNOVATION INST11 citations81

JAPAN POLYPROPYLENE CORP

1 patent
US9751961B2Sep 5, 2017

Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin (co)polymer using the same

JAPAN POLYPROPYLENE CORP5 citations68

AGENCY IND SCIENCE TECHN

1 patent
US6455649B1Sep 24, 2002

Catalyst for producing living olefin polymer and process for producing the polymer

AGENCY IND SCIENCE TECHN3 citations58