Inventor

Syuji Minami

Inventor

Ohtake, JP

Overview

21→

Patents

1979–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds56%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%

C08LCompositions of macromolecular compounds11%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

G11BInformation storage based on relative movement between record carrier and transducer3%

PatentTitleYear

RE036406'Process for producing cycloolefin random copolymer'1999 5,658,998'Random copolymer, and process and production thereof'1997 5,654,386'Random copolymer, and process for production thereof'1997 5,354,828'Higher .alpha.-olefin copolymer, process for preparing same, and vulcanizable rubber composition'1994 5,179,171'Random copolymer, and process for production thereof'1993 5,093,418'Modified ethylenic random copolymer'1992 4,935,475'Process for producing cycloolefin random copolymer'1990 4,908,411'Modified ethylenic random copolymer'1990 4,874,808'Cycloolefin type random copolymer compositions and uses thereof'1989 4,614,778'Random copolymer'1986 4,510,303'Ethylene-alpha-olefin-polyene random copolymer rubber'1985 4,490,513'Process for producing polymers or copolymers of olefins containing at least three carbon atoms and catalysts therefor'1984 4,395,519'Physically blended propylene polymer composition'1983 4,370,455'Process for polymerizing or copolymerizing olefins'1983 4,328,328'Continuous process for production of olefin polymers or copolymers'1982 4,250,285'Process for polymerizing olefins and catalysts therefor'1981 4,232,139'Process for producing polymers or copolymers of olefins containing at least 3 carbon atoms'1980 4,221,894'Process for polymerizing .alpha.-olefins containing at least 3 carbon atoms and catalyst therefor'1980 4,168,361'Random copolymer of propylene and 1-butene and process for its production'1979 4,157,435'Process for preparing highly stereoregular polyolefins and catalyst used therefor'1979 4,143,223'Process for polymerizing alpha-olefins and catalyst therefor'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1997Patents assigned to MITSUI PETROCHEMICAL IND (19)· patent assignee history

1979–1999Based in Ohtake, JP· patent location history

1980–1985Based in Otake, JP· patent location history

1986–1989Patents assigned to MINAMI SYUJI (2)· patent assignee history

1986Patents assigned to KAJIURA HIROKAZU (1)· patent assignee history

1989–1999Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history

1989Patents assigned to KASAI TETSUJI (1)· patent assignee history

1989Based in Hiroshima, JP· patent location history

1994Based in Kuga-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI PETROCHEMICAL IND	19	1979–1997
MINAMI SYUJIself	2	1986–1989
MITSUI CHEMICALS INC	2	1989–1999
KAJIURA HIROKAZU	1	1986
KASAI TETSUJI	1	1989

Locations

Location	Patents	Span
Ohtake, JP	17	1979–1999
Otake, JP	2	1980–1985
Kuga-gun, JP	1	1994
Hiroshima, JP	1	1989