Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate
2005-03-01
2005-03-01
Hightower, P. Hampton (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
C528S125000, C528S126000, C528S128000, C528S170000, C528S171000, C528S172000, C528S173000, C528S174000, C528S175000, C528S176000, C528S183000, C528S188000, C528S220000, C528S229000, C528S350000, C528S351000, C428S411100, C428S473500
Reexamination Certificate
active
06861497
ABSTRACT:
A polyimide is disclosed of the formula:CG1 and CG2 are independently electron-accepting and/or electron-donating groups; x is an integer from about 3 to about 3000; ODAH is any of a number of known dianhydride residues; ODAM is any of a number of known diamine residues; and m, n, o, and p cumulatively add to 1.0, with the sum of m and n ranging from about 0.05 to about 1.0, the sum of o and p ranging from about 0 to about 0.95, the sum of m and o being about 0.5 and the sum of n and p being about 0.5. In addition, a film structure comprising the polyimide and devices utilizing the film structure are disclosed.
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Chafin Andrew P.
Davis Mathew C.
Fallis Stephen
Guenthner Andrew J.
Hollins Richard A.
Foster Laura R.
Haley Charlene A
Hampton Hightower P.
The United States of America as represented by the Secretary of
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