us 5,034,533 heat and light stabilizers
TRANSCRIPT
Additives for Polymers December 1991
us 5,034,443 STABILIZER Witco Corp. Priority Date: 18 May 1990
Vinyls stabilized with sodium perchlorate and calcium silicate.
us 5,034,464
us 5,034,533
US 5,037,860
US 5,037,867
US 5,037,869
us 5,037,87~
us 5,037,875
CURING AGENT FOR EPOXY RESINS Du Pont Priority Dali 19 July 1989
Amine-borane adduct.
BEAT AND LIGHT STABILIZERS Rhone-Poulenc Chimie Priority Date: 31 May 1989
~nzophenon~l,4-~y~op~~e compounds.
BLOWING AGENT FOR FLEXIBLE PU FOAMS The Dow Chemical Co. Priority Date: 17 July 1990
1,l ,1 -trichloroethane.
STABI~ZE~ Ciba-Geigy Priority Date: 12 April 1990
A substituted isoxazoli~e.
FIRE RETARDANT NYLONS Monsanto Co. Priority Date: 8 June 1990
Melamine cyanurate as fire retardant in nylon moulding resins.
LIGHT ST~ILIZER Ciba-Geigy Priority Date: 5 May 1989
ANTISTATIC AGENT Du Pont Priority Date: 2 January 1991
12 01991 Elsevier Science Publishers Ltd.