US 5,059,644 Light stabilizer for polyacetals

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March 1992 Additives for Polymers

us 5059,643 STABILIZED NYLONS Bayer AG Priority Date: 24 June 1986

One stabilizer at least is phenothiazine.

US 5059,644

us 5,059,647

US 5059,650

US 5059,651

us 5061,745

LIGHT STABILIZER FOR POLYACETAIS Du Font Priority Date: 19 March 1990

Contains at least one oxo-pi~raz~yl~az~e hindered amine.

LIGHT STABILIZERS FOR SPANDEX FIBRES Du Pont Priority Date: 29 September 1989

Oligomeric semicarbazides as light absorbers.

FIRE RETARDANT POLYSTYRENE BASF AG Priority Date: 22 August 1985

Contains halohydrocarbons and also stabilizers, antioxidants, and a synergist.

FIRE RETARDANT AND SMOKE SUPPRESSED CABLE AND WIRE SHEATHING Sumitomo Electric Industries Priority Date: 23 December 1982

Contains fmely divided fillers including zinc borate.

FIRE RETARDANT POLYCARBONATE Bayer AG Priority Date: 4 June 1988

Contains a halogen-free phosphorus and FIFE.

PRODUCT INFORMATION

Zinc hydroxy stannate Zinc hydroxy stannate is a new substance giving promising results as a fne retardant in a number of polymer systems. The systems evaluated include both halogen~onta~g and halogen- free polymers.

Joseph Storey & Co. Ltd. has begun manufacture of zinc hydroxy

01992 Etsevier Science Publishers Ltd. 13

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