Inventor
AOSHIMA ATSUSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “AOSHIMA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
20 patentsUS4518796AMay 21, 1985
Method for preparing carboxylic esters
ASAHI CHEMICAL IND59 citations96
US4568775AFeb 4, 1986
Process for producing polyetherglycol
ASAHI CHEMICAL IND54 citations95
US4658065AApr 14, 1987
Process for producing polyether polyol and a product
ASAHI CHEMICAL IND72 citations94
US5693748ADec 2, 1997
High molecular weight polyimidoylamidine and a polytriazine derived therefrom
ASAHI CHEMICAL IND39 citations92
US4820796AApr 11, 1989
Transparent polyamide elastomer from carboxy polycaprolactam and poly(tetramethylene oxy)glycol
ASAHI CHEMICAL IND28 citations92
US4677231AJun 30, 1987
Process for purification of polyether
ASAHI CHEMICAL IND29 citations92
US4518462AMay 21, 1985
Distillation process for purifying methyl methacrylate
ASAHI CHEMICAL IND29 citations92
US4965379AOct 23, 1990
Fluoroepoxides and a process for production thereof
ASAHI CHEMICAL IND17 citations82
US4356316AOct 26, 1982
Process for producing unsaturated carboxylic esters
ASAHI CHEMICAL IND24 citations81
US4258217AMar 24, 1981
Process for producing methacrolein
ASAHI CHEMICAL IND20 citations81
US4354044AOct 12, 1982
Method for preparing methacrolein
ASAHI CHEMICAL IND26 citations77
US5276189AJan 4, 1994
Process for the treatment of quaternary onium salts and its application to the preparation of hexafluoropropylene oxide
ASAHI CHEMICAL IND8 citations74
US5055601AOct 8, 1991
Fluoroepoxides and a process for production thereof
ASAHI CHEMICAL IND10 citations74
US4925961AMay 15, 1990
Process for the production of hexafluoropropylene oxide
ASAHI CHEMICAL IND8 citations74
US4376219AMar 8, 1983
Process for preparing an ether having tertiary alkyl group
ASAHI CHEMICAL IND8 citations73
US4792627ADec 20, 1988
Process for producing polyether polyol and a product
ASAHI CHEMICAL IND13 citations72
US4446328AMay 1, 1984
Process for producing methacrolein
ASAHI CHEMICAL IND18 citations72
US4329513AMay 11, 1982
Method for dehydration of unsaturated aldehyde-containing gas
ASAHI CHEMICAL IND10 citations72
US4236034ANov 25, 1980
Process for producing tert-butanol from mixed butylenes
ASAHI CHEMICAL IND16 citations69
US4668761AMay 26, 1987
High strength, high modulus polymeric material in continuous length, process for production thereof and device therefor
ASAHI CHEMICAL IND17 citations68