Inventor
EKAWA KENJI
JP12 patents
Patents
12 patentsUS6673975B1Jan 6, 2004
Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
HONSHU CHEMICAL IND9 citations71
US6720460B2Apr 13, 2004
Hydroxyphenyl adamantanes and process for the production of the same
HONSHU CHEMICAL IND6 citations70
US6951966B1Oct 4, 2005
Orthoalkylation catalyst for phenol and process for producing orthoalkylated phenol with use thereof
HONSHU CHEMICAL IND6 citations69
US6326522B1Dec 4, 2001
Process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzene
HONSHU CHEMICAL IND7 citations66
US6673973B1Jan 6, 2004
Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
HONSHU CHEMICAL IND2 citations60
US6673974B1Jan 6, 2004
Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
HONSHU CHEMICAL IND3 citations60
US6512149B2Jan 28, 2003
Method for removing butyl groups from butyl phenol compounds
HONSHU CHEMICAL IND4 citations58
US6313351B1Nov 6, 2001
Process for producing alicyclic monoketones and process for producing alicyclic diketones
HONSHU CHEMICAL IND5 citations53
US6972344B2Dec 6, 2005
Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
HONSHU CHEMICAL IND0 citations50
US6992227B1Jan 31, 2006
Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane
HONSHU CHEMICAL IND0 citations49
US7196232B2Mar 27, 2007
4,4′-dihydroxyphenyl bicyclohexenes
HONSHU CHEMICAL IND0 citations38
US6875896B2Apr 5, 2005
Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes
HONSHU CHEMICAL IND0 citations33