3884849 is referenced by 20 patents and cites 10 patents.

The discoloration occurring during commercial production of large buns or slabs of low density, flexible and semiflexible polyetherurethane foams containing chlorine-containing polymers such as polyvinyl chloride, zinc oxide and antimony oxide, in which optionally part of the chlorine-containing polymer can be replaced with a chlorinated paraffin provided a proportionate reduction is made in the amount of the zinc oxide employed, is reduced or prevented by using a small amount of a zinc salt of an organic monocarboxylic acid or an organic mono dithiocarbamic acid having from 1 to 25 carbon atoms in each said moiety of said salt.

Flame retardant flexible urethane foams
Application Number
Publication Number
Application Date
December 26, 1973
Publication Date
May 20, 1975
Molbert Robert A
The General Tire & Rubber Company
C08g 51/62
C08g 51/56
C08g 22/46
C08J 09/00
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