2,2,6,6-tetramethyl quaternary ammonium halides and synthetic re

Details 2,2,6,6-tetramethyl quaternary ammonium halides and synthetic re 2,2,6,6-tetramethyl quaternary ammonium halides and synthetic re

1986-09-04

1987-11-17

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524103, 546186, 546244, 252401, C08K 534

Patent

active

047075074

ABSTRACT:
Water-soluble or dispersible 2,2,6,6-tetramethylquaternary ammonium halides are provided, effective as stabilizers to increase the resistance to deterioration when exposed to light of synthetic resins, and having the formula: ##STR1## wherein: R.sub.1, R.sub.3 and R.sub.4 are alkyl having from one to about twelve carbon atoms;

REFERENCES:
patent: 2758114 (1956-08-01), Miescher et al.
patent: 2922786 (1960-01-01), De Witt
patent: 3055902 (1962-09-01), Walker
patent: 3499903 (1970-03-01), Minisci et al.
patent: 3904581 (1975-09-01), Murayama et al.

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