Polyaminoamide which filters ultraviolet radiation

Details Polyaminoamide which filters ultraviolet radiation Polyaminoamide which filters ultraviolet radiation

1989-06-27

1991-08-06

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...

525420, 525426, 525430, 525435, 528341, C08G 6948

Patent

active

050379011

ABSTRACT:
Polyaminoamides of formula: ##STR1## in which A.sub.1 represents a divalent radical of structure: ##STR2## in which a and b=0 or 1 ##STR3## in which c and d=0 or 1 ##STR4## B.sub.1 represents: 1) in the proportions of 60 to 100% (in moles), the radical ##STR5## in which x.sub.2 =2 and n.sub.1 =1 or 2, or alternatively, x.sub.1 =3 and n.sub.1 =1 and e=0 or 1

REFERENCES:
patent: 4866159 (1989-09-01), Forestier et al.

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