Polymers derived from polysuccinimide, used as surface coatings

Details Polymers derived from polysuccinimide, used as surface coatings Polymers derived from polysuccinimide, used as surface coatings

1990-07-05

1992-12-29

Springer, David B.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544372, 546275, 548546, 548520, C07D40304, C07D40104, C07D41304, C08G 924

Patent

active

051752859

ABSTRACT:
A conversion product of polysuccinimide useful as coating material for medicinal preparations and foodstuffs having the structure: ##STR1## wherein A is hydrogen or a straight or branched alkyl or alkylene group of 1 to 8 carbon atoms, optionally substituted by cycloaliphatic or aromatic groups, wherein the cyclic substituent can also contain heteroatoms, or by R--O--, ##STR2## or R.sub.3 R.sub.4 N groups, wherein R, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or branched alkyl or cycloalkyl groups each of which may contain oxygen and nitrogen atoms in the chain or in the ring of 1 to 10 carbon atoms;

REFERENCES:
patent: 4483807 (1984-11-01), Asano et al.
patent: 4906473 (1990-03-01), Bader et al.
patent: 5041291 (1991-08-01), Bader et al.
Journal of Medicinal Chemistry, 1973, vol. 16, No. 8, pp. 893-897.
Chemical Abstracts, vol. 107, 1987 pp. 492-493.

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