Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-08-16
1993-04-06
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
528170, 528321, 528322, C08F22240
Patent
active
052004970
ABSTRACT:
A process and polyimide product formed by the reaction of a bismaleimide with a bis(amidediene) wherein the bis(amidediene) is formed by reacting an excess of an acid chloride with 1,4-N,N'-diisoprenyl-2,3,5,6-tetramethyl benzene.
REFERENCES:
patent: 4593083 (1986-06-01), Stenzenberger
patent: 4822870 (1989-04-01), Restaino
Ottenbrite Raphael M.
Smith, Jr. Joseph G.
Anderson Harold D.
Helfrich George F.
The United States of America as represented by the Adminstrator
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