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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
