Soluble and biodegradable polyamino acid activated for bonding o

Details Soluble and biodegradable polyamino acid activated for bonding o Soluble and biodegradable polyamino acid activated for bonding o

1986-04-01

1988-05-17

Anderson, Harold D.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528310, 528322, 528328, C08G 6948

Patent

active

047451610

ABSTRACT:
The invention pertains to copolymers activated for bonding of biologically active compounds and to a method for preparation thereof.
Soluble and biodegradable copolymers activated for bonding of biologically active compounds which have their main chain formed from units of aspartic acid or glutamic acid, or both, or also from units of other amino acids, according to the general formula I ##STR1## where n is 1 or 2, m is 1 or 2, a+b+c is 100, a is 0.5 to 100, b is 0 to 99.5, c is 0 to 80; the substituent R.sup.1 is --NH--NH.sub.2, --N.tbd.N or ##STR2## where x is 2 to 6, R.sup.2 is --NH(CH.sub.2).sub.x OH where x=2 to 6; and R.sup.3 is methyl, 2-propyl, 2-methylpropyl, butyl, 2-butyl, benzyl or 4-hydroxybenzyl, and the molecular weight is 5,000 to 1,000,000.

REFERENCES:
patent: 4435547 (1984-03-01), Woo et al.
Cols. 1-2, 35-36, U.S. Pat. No. 3,306,875, Hay.

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