Polyaminoamides which filter ultraviolet radiation, process for

Details Polyaminoamides which filter ultraviolet radiation, process for Polyaminoamides which filter ultraviolet radiation, process for

1986-08-25

1989-09-12

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525420, 525426, 525435, 528324, 528337, 528345, C08G 6926

Patent

active

048661597

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 or ##STR4## B.sub.1 represents: (1) in the proportions of 60 to 100% (in moles), the radical ##STR5## in which x.sub.1 =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: 3395130 (1968-07-01), Barrett et al.
patent: 3640840 (1972-02-01), Zieman et al.
patent: 4504644 (1985-03-01), Lang et al.
patent: 4689374 (1987-08-01), Hansson et al.

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