Inventor
SHIMIZU KISABUROU
JP2 patents
Patents
2 patentsUS4218366AAug 19, 1980
Condensation product of 4,4'-dihydroxydiphenyl sulfone, 4,4'-dihydroxydiphenylsulfone sulfonic acid and a lower aldehyde and method of preparation
DAINIPPON PHARMACEUTICAL CO4 citations59
US4147512AApr 3, 1979
Fixing agent for improving fastness properties of dyeings on polyamide fibers and preparation thereof
DAINIPPON PHARMACEUTICAL CO6 citations59