Inventor
MATUZAKI YUUJI
JP3 patents
Patents
3 patentsUS5310940AMay 10, 1994
Production of thiophene-2,5-dicarboxylic acid diesters, tetrahydrothiophene-2,5-dicarboxylic acid diesters and dibenzoxazolylthiophenes
SUMITOMO SEIKA CHEMICALS6 citations70
US5093504AMar 3, 1992
Production of thiophene-2,5-dicarboxylic acid diesters, tetrahydrothiophene-2,5-dicarboxylic acid diesters and dibenzoxazolylthiophenes
SUMITOMO SEIKA CHEMICALS2 citations59
US5221749AJun 22, 1993
Production of dibenzoxazolylthiophenes
SUMITOMO SEIKA CHEMICALS0 citations48