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Additives for Polvmers Julv 1990
us 4,894,399 LIGHT STABILIZED POLYMER MICROPARTICLES Ciba-Geigy Priority Date: 4 June, 1987.
Contain epoxy groups. Polymerization of these microparticles is carried out in the presence of the light stabilizer.
us 4894,491
us 4$W4,431
us 4895,879
us 4&395,884
us 4$395m5
us 4,895,991
COLOUR STABILIZER FOR IRRADIATED POLYCARBONATE General Electric Co. Priority Date: 22 December, 1986.
Use of an epoxy compound.
CURING AGENT FOR EPOXY RESINS Ciba-Geigy priority Date: 23 May, 1988.
Comprises anhydrous methane sulphonic acid and an aliphatic or cycloaliphatic primary or secondary amine.
INTERNAL MOULD RELEASE AGENT The Dow Chemical Co. Priority Date: 20 April, 1987.
Zinc carboxylate and a compatibilizer for an isocyanate reactive polymer.
ANTIDEGRADANTS The Goodyear Tire & Rubber Co. Priority Date: 6 October, 1987.
Rubber containing microencapsulated anti-degradants.
STABILIZERS Union Carbide Priority Date: 6 September, 1988.
Polymers stabilized with polysiloxanes containing sterically hindered heterocyclic moiety.
LIGHT STABILIZER Ferro Corp. Priority Date: 23 November, 1988.
Piperidine modified acrylate-methacrylate copolymer.
14 01990 Elsevier Science Publishers Ltd.
