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 patentsUS4343929AAug 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