N-substituted polyamide-imide

Details N-substituted polyamide-imide N-substituted polyamide-imide

1992-01-17

1993-07-20

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528 28, 528 41, 528327, 528331, 548461, 548462, C08G 7314

Patent

active

052294846

ABSTRACT:
An N-substituted polyamide-imide essentially composed of identical or different repeating units of the formula I ##STR1## where R.sup.1 is one of the following tetravalent aromatic radicals ##STR2## and X is a bond or one of the following linkers ##STR3## where R.sup.2 and R.sup.4 are each, independently of one another, one of the following divalent aromatic radicals ##STR4## and where X has the abovementioned meanings and where R.sup.3 is hydrogen or a monovalent radical such as C.sub.1 -C.sub.6 -alkyl or phenyl, and the C.sub.1 -C.sub.6 -alkyl-, C.sub.1 -C.sub.6 -alkoxy-, aryl- or halogen-substituted derivatives thereof, and precursors (monomers) therefor, are described.

REFERENCES:
patent: 3179635 (1965-04-01), Frost et al.
patent: 4847353 (1989-07-01), Watanabe

Affiliated with

Also associated with

Rating

N-substituted polyamide-imide does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with N-substituted polyamide-imide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and N-substituted polyamide-imide will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1761398