Amino-tetraalkylbenzoylphthalic acids

Details Amino-tetraalkylbenzoylphthalic acids Amino-tetraalkylbenzoylphthalic acids

1987-10-28

1989-02-28

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

562441, 560 76, 564163, C07D30777

Patent

active

048087327

ABSTRACT:
Amino-tetraalkylbenzoylphthalic acids are intermediates for preparing homopolyimides and copolyimides which contain structural elements of the formula I ##STR1## in which R.sup.1 and R.sup.2 are halogen, nitro, aryl, aryloxy, alkyl or alkoxy, m is 0 or a number from 1 to 4, n is 0 or a number from 1 to 3 and p is 0, 1 or 2, the free carbonyl groups are bonded in the ortho-position relative to one another and R is a divalent aromatic radical which is substituted by at least one alkyl group or aralkyl group, are autophotocrosslinkable. They are suitable for the production of protective films and photographic relief images.

REFERENCES:
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patent: 3639340 (1972-02-01), Balone et al.
patent: 3678005 (1972-07-01), Robilloud et al.
patent: 3726831 (1973-04-01), Acle et al.
patent: 4004998 (1977-01-01), Rosen
patent: 4377536 (1983-03-01), Waitkus et al.
patent: 4451669 (1984-05-01), D'Alelio et al.

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