Inventor
IIMURO SHIGERU
JP31 patents
Patents
31 patentsUS5663288ASep 2, 1997
Degradable adhesive film and degradable resin composition
MITSUI TOATSU CHEMICALS57 citations95
US5489474AFeb 6, 1996
Degradable adhesive film and degradable resin composition
MITSUI TOATSU CHEMICALS79 citations95
US5412067AMay 2, 1995
Preparation process of polyester
MITSUI TOATSU CHEMICALS56 citations95
US5304205AApr 19, 1994
Surgical filament
MITSUI TOATSU CHEMICALS24 citations92
US5247013ASep 21, 1993
Biocompatible polyester and production thereof
MITSUI TOATSU CHEMICALS28 citations92
US5194473AMar 16, 1993
Modified polyester composition and preparation process and use thereof
MITSUI TOATSU CHEMICALS36 citations92
US5087767AFeb 11, 1992
Method for preparing bisphenol a
MITSUI TOATSU CHEMICALS39 citations92
US4954661ASep 4, 1990
Process for preparing high-purity bisphenol A
MITSUI TOATSU CHEMICALS25 citations92
US4918245AApr 17, 1990
Process for preparing bisphenol A
MITSUI TOATSU CHEMICALS28 citations92
US5437918AAug 1, 1995
Degradable non-woven fabric and preparation process thereof
MITSUI TOATSU CHEMICALS38 citations89
US4942265AJul 17, 1990
Process for preparing 2,2-bis(4-hydroxyphenyl)propane of high purity
MITSUI TOATSU CHEMICALS21 citations82
US4950805AAug 21, 1990
Process for washing and obtaining solids of slurry
MITSUI TOATSU CHEMICALS10 citations74
US4950806AAug 21, 1990
Process for crystallizing adduct of bisphenol A with phenol
MITSUI TOATSU CHEMICALS14 citations74
US4950804AAug 21, 1990
Process for preparing bisphenol A
MITSUI TOATSU CHEMICALS10 citations74
US4935553AJun 19, 1990
Process for preparing bisphenol A
MITSUI TOATSU CHEMICALS7 citations74
US4931146AJun 5, 1990
Process for obtaining high-purity bisphenol A
MITSUI TOATSU CHEMICALS9 citations74
US4798654AJan 17, 1989
Process for preparing bisphenol A
MITSUI TOATSU CHEMICALS14 citations74
US5618984AApr 8, 1997
Phenol aralkyl resins, preparation process thereof and epoxy resin compositions
MITSUI TOATSU CHEMICALS7 citations72
US5245088ASep 14, 1993
Process for crystallizing adduct of bisphenol a with phenol
MITSUI TOATSU CHEMICALS13 citations72
US5744653AApr 28, 1998
Method for preparing 1,3-dihydroxy-4,6-bis(α-methyl-α(4'-hydroxyphenyl)ethyl)benzene
MITSUI TOATSU CHEMICALS9 citations71
US5552509ASep 3, 1996
Phenolic resin compositions derived from bisphenol compounds and their condensates
MITSUI TOATSU CHEMICALS9 citations71
US5157165AOct 20, 1992
Method for preparing highly pure 1,1,2,2-tetrakis(4-hydroxy-3,5-dimethylphenyl)ethane
MITSUI TOATSU CHEMICALS5 citations69
US5132349AJul 21, 1992
Preparation process of resin composition having phenolic hydroxyl groups
MITSUI TOATSU CHEMICALS11 citations69
US5248839ASep 28, 1993
Preparation process of bisphenol a
MITSUI TOATSU CHEMICALS12 citations67
US5395915AMar 7, 1995
Method for simultaneous preparation of bisphenol F and novolak phenol resins
MITSUI TOATSU CHEMICALS5 citations60
US5304624AApr 19, 1994
Epoxy resin derived from the highly pure compound and method for preparing the resin and composition
MITSUI TOATSU CHEMICALS3 citations58
US5319063AJun 7, 1994
Phenolic resin and method for preparing same
MITSUI TOATSU CHEMICALS0 citations52
US5216112AJun 1, 1993
Phenolic resin and method for preparing same
MITSUI TOATSU CHEMICALS0 citations52
US4950807AAug 21, 1990
Process for preparing bisphenol A
MITSUI TOATSU CHEMICALS1 citations52
US5525684AJun 11, 1996
Phenolic resin composition
MITSUI TOATSU CHEMICALS1 citations50
US5399783AMar 21, 1995
Preparation of 6,6'-dihydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindane
MITSUI TOATSU CHEMICALS1 citations50