P

Inventor

TAKEDA MUTSUHIKO

JP18 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA MUTSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI GAS CHEMICAL CO

16 patents
US4343929AAug 10, 1982

Process for continuously polymerizing trioxane

MITSUBISHI GAS CHEMICAL CO30 citations90
US5021197AJun 4, 1991

Process for production of sulfonium compounds

MITSUBISHI GAS CHEMICAL CO15 citations73
US5202127AApr 13, 1993

Moth-proofing method using trioxane as sole active

MITSUBISHI GAS CHEMICAL CO8 citations72
US4339569AJul 13, 1982

Process for continuous production of oxymethylene polymer or copolymer

MITSUBISHI GAS CHEMICAL CO12 citations72
US4125540ANov 14, 1978

Process for stabilizing trioxane

MITSUBISHI GAS CHEMICAL CO9 citations72
US4366305ADec 28, 1982

Process for heat stabilizing oxymethylene copolymers

MITSUBISHI GAS CHEMICAL CO10 citations71
US4224435ASep 23, 1980

Method for mixing raw materials for producing oxymethylene copolymers

MITSUBISHI GAS CHEMICAL CO7 citations69
US5026875AJun 25, 1991

Stability-improved trioxane composition

MITSUBISHI GAS CHEMICAL CO4 citations62
US5149857ASep 22, 1992

Process for production of sulfonium compounds

MITSUBISHI GAS CHEMICAL CO4 citations61
US5075476ADec 24, 1991

Process for production of sulfonium compounds and novel methylthiphenol derivatives

MITSUBISHI GAS CHEMICAL CO5 citations61
US4301273ANov 17, 1981

Process for stabilizing oxymethylene copolymers

MITSUBISHI GAS CHEMICAL CO5 citations61
US4189565AFeb 19, 1980

Process for polymerizing trioxane

MITSUBISHI GAS CHEMICAL CO2 citations60
US5187311AFeb 16, 1993

Methylthiophenol derivatives and p-methylthiophenyl chloroformates and processes for producing these derivatives

MITSUBISHI GAS CHEMICAL CO1 citations51
US5094846AMar 10, 1992

Trioxane composition and insect-proofing agent

MITSUBISHI GAS CHEMICAL CO1 citations51
US5071870ADec 10, 1991

Trioxane composition and insect-proofing agent

MITSUBISHI GAS CHEMICAL CO1 citations51
US5043351AAug 27, 1991

Hygroscopic insect-proofing composition

MITSUBISHI GAS CHEMICAL CO1 citations51

PANASONIC IP MAN CO LTD

2 patents