UV absorbers

UV absorbers

August 1992 Additives for Polymers us $091,453 FIRE ~TARDA~ COMPOSITION B P Chemicals Priority Date: 21 April 1989 Con~ns an inorg~ic filler which ...

59KB Sizes 10 Downloads 126 Views

August 1992

Additives for Polymers

us $091,453

FIRE ~TARDA~ COMPOSITION B P Chemicals Priority Date: 21 April 1989 Con~ns an inorg~ic filler which is a com~und of a metal of Group IIA of the Periodic Table but which is neither a hydroxide nor a subs~ti~ly hydrated compound.

STAB~IZERS/~

us $091,450

ABSORBERS

STABILIZERS Ciba-Geigy P~o~ty Date: 27 July 1990 Pi~~dine-t~~ine ~om~unds con~ning tet~ydropyr~ groups.

GB 2,249,55OA

tetr~ydrofur~

or

REI~ORCED POLYPROPYLENE Kansei Corp. Priority Date: 8 November 1990 Contains glass fibre of specific diameter and mica.

us 5,087,644

CARBON FIBRE REINFORCED POLYI~I~E Mitsui Toatsu Chemical Co. Priority Date: 21 February 1989 The carbon fibres are coated with ~lysulphone to 3~-4~OC.

us 5,089,539

and then heated

FILLERS ICI Priority Date: 22 May 1987 A coated filler within a cross-iink~ emulsion rubber.

or non cross-links

el992 Elsevier Science Publishers Ltd.