Inventor

OKUMURA SEIGO

JP4 patents

Patents

4 patents

US4840640AJun 20, 1989

Polarizing film: polymer film base containing substituted anthraquinone dichroic dye

MITSUBISHI CHEM IND21 citations78

US4841057AJun 20, 1989

Cyclic imido anthraquinone compounds

MITSUBISHI CHEM IND7 citations72

US4782132ANov 1, 1988

Process for producing a copolyester

MITSUBISHI CHEM IND11 citations69

US4921959AMay 1, 1990

Anthraquinone compounds and polarizing film containing the same

MITSUBISHI CHEM IND2 citations61