Tetraalkyl esters of diphenyl methane 3, 4, 3', 4'-tetracarboxylic acid, diphenyl methane 3, 4, 3', 4'-tetracarboxylic acid and the anhydride of said acids
摘要
申请公布号
US3332964(A)
申请公布日期
1967.07.25
申请号
US19630288622
申请日期
1963.06.18
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
MCCRACKEN JOHN H.;SCHULZ JOHANN G. D.;WHITAKER ARTHUR C.
