Inventor
FUKAO MASAMI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “FUKAO MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
45 patentsUS7161036B2Jan 9, 2007
Process for producing oxime
SUMITOMO CHEMICAL CO1,473 citations98
US4720601AJan 19, 1988
Process for preparing 5-ethylidene-2-norbornene
SUMITOMO CHEMICAL CO41 citations93
US4711873ADec 8, 1987
Process for preparing solid base catalyst
SUMITOMO CHEMICAL CO26 citations91
US6828459B2Dec 7, 2004
Method for producing cyclohexanone oxime
SUMITOMO CHEMICAL CO13 citations83
US5097088AMar 17, 1992
Process for preparing alkyl-substituted aromatic hydrocarbon
SUMITOMO CHEMICAL CO20 citations82
US4992612AFeb 12, 1991
Solid base, process for producing the same and process of preparing internal olefins
SUMITOMO CHEMICAL CO21 citations82
US4987114AJan 22, 1991
Solid base and process for producing the same for preparing internal olefins
SUMITOMO CHEMICAL CO17 citations82
US4727204AFeb 23, 1988
Process for preparing 5-ethylidene-2-norbornene with high quality
SUMITOMO CHEMICAL CO22 citations82
US5243081ASep 7, 1993
Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process
SUMITOMO CHEMICAL CO11 citations74
US4822764AApr 18, 1989
Solid base catalyst for the preparation of internal olefins and process for preparing the catalyst
SUMITOMO CHEMICAL CO7 citations74
US4485257ANov 27, 1984
Process for preparing racemized cyclopropanecarboxylic acids or their derivatives
SUMITOMO CHEMICAL CO11 citations74
US4473703ASep 25, 1984
Method of epimerization of alkyl chrysanthemate
SUMITOMO CHEMICAL CO7 citations74
US5589596ADec 31, 1996
Process for producing amines
SUMITOMO CHEMICAL CO16 citations73
US4786626ANov 22, 1988
Solid base
SUMITOMO CHEMICAL CO6 citations72
US6252068B1Jun 26, 2001
Process for producing ε-caprolactam
SUMITOMO CHEMICAL CO9 citations70
US6433166B2Aug 13, 2002
Process for producing ε-caprolactam
SUMITOMO CHEMICAL CO8 citations69
US3943167AMar 9, 1976
Process for preparing trans-chrysanthemic acid
SUMITOMO CHEMICAL CO7 citations69
US5347062ASep 13, 1994
Process for preparing alkyl-substituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO2 citations63
US5237107AAug 17, 1993
Magnesium, aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same
SUMITOMO CHEMICAL CO3 citations63
US5227559AJul 13, 1993
Process for preparing alkyl-subtituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO4 citations63
US4879429ANov 7, 1989
Solid base, process for preparing the same and use of the same in preparation of internal olefins
SUMITOMO CHEMICAL CO2 citations63
US4877918AOct 31, 1989
Process for preparing internal olefins
SUMITOMO CHEMICAL CO4 citations63
US4820864AApr 11, 1989
Method for racemization of optically active chrysanthemic acid or its ester
SUMITOMO CHEMICAL CO2 citations63
US4788323ANov 29, 1988
Method for racemization of optically active chrysanthemic acid or its ester
SUMITOMO CHEMICAL CO5 citations63
US4723035AFeb 2, 1988
Method for racemization of chrysanthemic acid or its ester
SUMITOMO CHEMICAL CO2 citations63
US4659864AApr 21, 1987
Method for racemization of chrysanthemic acid or its ester
SUMITOMO CHEMICAL CO5 citations63
US4644080AFeb 17, 1987
Method for racemization of chrysanthemic acid or its ester
SUMITOMO CHEMICAL CO3 citations63
US4547586AOct 15, 1985
Preparation of 2-isopropenyl-or 2-isopropylidenyl-3-hexenoates from chrysanthemic acid esters
SUMITOMO CHEMICAL CO4 citations63
US7067699B2Jun 27, 2006
Method for producing cyclohexanone oxime
SUMITOMO CHEMICAL CO4 citations62
US5118895AJun 2, 1992
Process for preparing alkyl-substituted aromatic hydrocarbon
SUMITOMO CHEMICAL CO2 citations62
US5043507AAug 27, 1991
Process for preparing alkyl-substituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO2 citations62
US4962254AOct 9, 1990
Process for preparing alkyl-substituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO6 citations62
US3931280AJan 6, 1976
Process for preparing alkyl trans-chrysanthemate
SUMITOMO CHEMICAL CO3 citations61
US6344557B1Feb 5, 2002
Process for producing ε-caprolactam
SUMITOMO CHEMICAL CO2 citations60
US7232928B2Jun 19, 2007
Stabilization method of cycloalkanone oxime
SUMITOMO CHEMICAL CO0 citations52
US4954651ASep 4, 1990
Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid halide
SUMITOMO CHEMICAL CO1 citations52
US4898655AFeb 6, 1990
Method for racemization of optically active chrysanthemic acid or its derivatives
SUMITOMO CHEMICAL CO1 citations52
US4812264AMar 14, 1989
Method for racemization of optically active chrysanthemic acid derivatives
SUMITOMO CHEMICAL CO1 citations52
US4463188AJul 31, 1984
Method for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acid
SUMITOMO CHEMICAL CO0 citations52
US4438286AMar 20, 1984
Substituted esters and alcohols
SUMITOMO CHEMICAL CO1 citations52
US8003825B2Aug 23, 2011
Process for producing cycloalkanone oximes
SUMITOMO CHEMICAL CO0 citations51
US4962233AOct 9, 1990
Process for preparing racemic dihalovinylcyclopropane carboxylic acid halides
SUMITOMO CHEMICAL CO1 citations50
US4948914AAug 14, 1990
Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)cyclopropane carboxylic acid esters
SUMITOMO CHEMICAL CO0 citations50
US5202515AApr 13, 1993
Process for preparing alkyl-substituted aromatic hydrocarbons
SUMITOMO CHEMICAL CO0 citations41
US7449600B2Nov 11, 2008
Process for producing cyclohexanone oxime
SUMITOMO CHEMICAL CO0 citations40