Inventor
YANASE NORIO
JP5 patents
Patents
5 patentsUS5596128AJan 21, 1997
Sulfonating agent and sulfonation process
KONISHI CHEM IND16 citations70
US7456321B2Nov 25, 2008
Process for producing high-purity 4,4′-dihydroxydiphenyl sulfone
KONISHI CHEM IND1 citations49
US6965054B2Nov 15, 2005
Process for producing mixture of dihydroxydiphenylsulfone isomers
KONISHI CHEM IND0 citations49
US6861562B2Mar 1, 2005
Process for producing mixture of dihydroxydiphenylsulfone isomers
KONISHI CHEM IND0 citations49
US6974886B2Dec 13, 2005
Process for producing dihydroxydiphenylsulfone
KONISHI CHEM IND0 citations48