US 4,996,245 enhancing colourstabiuty to sterilizing radiation of polymer compositions

US 4,996,245 enhancing colourstabiuty to sterilizing radiation of polymer compositions

June 1991 Additives for Polymers Contains US 4,99f2,498 glass fibre, an epoxysilane, and an organic phosphite. PVC ~O~~~G A DEO~~ZER Shin-Etzu Ch...

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June 1991

Additives for Polymers

Contains

US 4,99f2,498

glass fibre, an epoxysilane, and an organic phosphite.

PVC ~O~~~G A DEO~~ZER Shin-Etzu Chemical Co. Ltd. Priority Date: 27 January 1989 A deodorizer derived from diterpenic acid compounds and resins.

us 4,992,504

STABILIZERS FOR CHLORINE-CONTAINING POLYMERS Ciba-Geigy Priority Date: 11 September 1987 Ether-containing or thioether-containing 1,3diketones.

US 4,992,506

FIRE RETARDANT ELASTOMERS General Electric Co. priority Date: 7 July 1988 A polyetherimide ester resin containing a polymeric pentaerythritol polyphosphonate ester and an ammonium ~lyphospha~.

us 4,904,499

FIRE RETARDANTS FOR VINYLS Arco Chemical Technology Inc. Priority Date: 31 July 1990 Method of adding fire retardant to vinyl polymers made in a onestep process.

us 4,994,511

STABILIZER FOR POLYKETONE Shell Oil Co. Priority Date: 30 October 1989

US 4$96,242

POLYURETHANE FOAMS The Dow Chemical Co. Priority Date: 22 May 1989 M~~act~ed

us 4,906,244 us 4,998,~

us 4,99&246 us 4,9@247 us 4,996,248

with mixed ga#iiquid blowing agents.

ENHANCING COLOUR STARILITY TO STERILIZING RADIATION OF POLYMER COMPOSITIONS General Electric Co. Priority Date: 20 October 1989

01991 Elsevier Sciince Publishers Ltd.