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Fire retardants
Additivesfor Polymers
March 1994
Comprises reacting a copolymer of 4-acetoxy styrene with hydroxylamine. (The information given in the above section has been supplied by Derwent Publications Ltd, Derwent House, 14 Great Queen Street, London, WC2B 5DF, UK. Tel: +44-71-3442800. Fax: i-44-71-344-2RM. Extended summaries or fill copies of the patents listed can be obtainedfrom Derwent).
Contains an organic phosphorus compound.
containing
Stabilizers US 5,268,401 Stabilizer Ciba-Geigy Priority Date: 30 April 1990 Piperidine-triazine compound.
Blowing agents
PATEN-TS (USA) Fire retardants US 5,262,454 Fire retardant polyorganosiloxane Dow Corning Priority Date: 25 April 1990 The polyorganosiloxane contains hollow glass balls and an intumescent compound.
US 5,262,467 Fire retardant polythene Union Carbide Chemicals Priority Date: 12 November 1992 Contains magnesium hydroxide in which the hydroxyl groups on the surface are unreacted.
US 5,266,618 Fire retardant polycarbonate Denki Kagaku Kogyo Priority Date: 28 May 1991 Contains a phosphorus compound, a boron compound, and a polyorganosiloxane.
US 5,266,605 Blowing agent for polystyrene The Dow Chemical Co Priority Date: 17 June 1993 Polystyrene foam made with only carbon dioxide as the blowing agent.
Curing agents US 5,264,502 Curing agent for epoxy resins The Dow Chemical Co Priority Date: 10 April 1991 Diamino-alpha-alkylstilbene as curing agent for epoxy resins.
US 5,268,434 Curing agent for epoxy resins The Dow Chemical Co Priority Date: 5 January 1993 Diamino-alpha-alkyl stilbenzenes.
Modifiers US 5,268,393 Fire retardant PU foam DH Blount Priority Date: 17 July 1992
01994 Elsevier Science Ltd
US 5,262,507 Toughening agent for epoxy resins Dow Corning Priority Date: 20 December 1991 An amino-functional silicone resin toughening agent for epoxy resins.
as
9
March 1994
Comprises reacting a copolymer of 4-acetoxy styrene with hydroxylamine. (The information given in the above section has been supplied by Derwent Publications Ltd, Derwent House, 14 Great Queen Street, London, WC2B 5DF, UK. Tel: +44-71-3442800. Fax: i-44-71-344-2RM. Extended summaries or fill copies of the patents listed can be obtainedfrom Derwent).
Contains an organic phosphorus compound.
containing
Stabilizers US 5,268,401 Stabilizer Ciba-Geigy Priority Date: 30 April 1990 Piperidine-triazine compound.
Blowing agents
PATEN-TS (USA) Fire retardants US 5,262,454 Fire retardant polyorganosiloxane Dow Corning Priority Date: 25 April 1990 The polyorganosiloxane contains hollow glass balls and an intumescent compound.
US 5,262,467 Fire retardant polythene Union Carbide Chemicals Priority Date: 12 November 1992 Contains magnesium hydroxide in which the hydroxyl groups on the surface are unreacted.
US 5,266,618 Fire retardant polycarbonate Denki Kagaku Kogyo Priority Date: 28 May 1991 Contains a phosphorus compound, a boron compound, and a polyorganosiloxane.
US 5,266,605 Blowing agent for polystyrene The Dow Chemical Co Priority Date: 17 June 1993 Polystyrene foam made with only carbon dioxide as the blowing agent.
Curing agents US 5,264,502 Curing agent for epoxy resins The Dow Chemical Co Priority Date: 10 April 1991 Diamino-alpha-alkylstilbene as curing agent for epoxy resins.
US 5,268,434 Curing agent for epoxy resins The Dow Chemical Co Priority Date: 5 January 1993 Diamino-alpha-alkyl stilbenzenes.
Modifiers US 5,268,393 Fire retardant PU foam DH Blount Priority Date: 17 July 1992
01994 Elsevier Science Ltd
US 5,262,507 Toughening agent for epoxy resins Dow Corning Priority Date: 20 December 1991 An amino-functional silicone resin toughening agent for epoxy resins.
as
9