JO5255601 Dyestuff for polyester fibres

February 1994

Additivesfor Polymers

Contact: Henley Division, Boehringer Chestnut Ridge Road, Ingelheim, 50 Montvale, NJ 07645, USA.

Comprises a thermoplastics resin, e.g. polystyrene, an organophosphorus compound and/or red phosphorus, together with a polyacrylonitrile based fibre.

Endothermic blowing agents Endothermic blowing agents from Hoechst Celanese include VN53044, P1931 and P1935 which contain 20, 30, and 50% active ingredient respectively. These FDA approved compounds are for use with polyolefins and styrene-based polymers. Celanese, Speciality Contact: Hoe&t Chemicals, PO Box 1026, Charlotte, NC 28201, USA.

Blowing agent polythene

for cross-linked

Unicell T4 is an azo-based blowing agent from Doug Jin in the USA for use in crosslinked polythenes. It is surface modified to allow full decomposition and is claimed to impart above-conventional whiteness. Contact; Doug Jin USA, 660 Springbrook Road, Saline, MI 48176, USA.

PATENTS (EUROPEAN) Fire retardants JO5255562 resin Fire methacrylate retardant composition Asahi Chemical Industry Co Ltd Priority Date: 11 March 1992 Contains antimony trioxide, and is used to extrude illuminated signs and boards, etc.

JO5255598 Fire retardant composition for electrical appliances Asahi Chemical Industry Co Ltd Priority Date: 11 March 1992

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US52567 14 Fire retardant thermoplastics polyester General Electric Co Priority Date: 19 September 1991 Contains a mixture of polyphosphonate ester, ammonium polyphosphate, and halogenated benzosulphonate salt as the tire retardant.

Stabilizers US5256333 Stabilizer for PU foams Uniroyal Chemical Co Inc Priority Date: 25 March 1993 Stabilizer containing diarylamine hindered phenol and pentaerythritol compound. Used in polyether polyols to reduce discoloration and scorching in PU foams.

Colorants JO5255601 Dyestuff for polyester fibres Nippon Kayaku KK Priority Date: 11 March 1992 Benzothiazolyl mono azo derivatives.

JO5255608 Pigment composition Takemoto Oil and Fat Co Ltd Priority Date: 11 March 1992 Pigment composition for colouring high molecular weight thermoplastics. The composition contains a graft block copolymer obtained from a vinyl polymer and polysiloxane for uniform colouring.

US5256728 Pigmented polycarbonate General Electric Co

compositions

O1994 Elsevier Science Ltd