Mark Identification

M.D.A.

Serial Number

71507583

Filing Date

Aug 17, 1946

Registration Date

Sep 9, 1947

Trademark by

Classification Information

TECHNICAL 4,4' - DIHYDROXYDIPHENYLMETHANE - 3,3' - DICARBOXYLIC ACID (ALSO KNOWN AS 5,5'-METHYLENE DISALICYLIC ACID)