The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 1993
Filed:
Jun. 29, 1992
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
Thermoplastic polycarbonate moulding compounds containing 40 to 90 parts by weight of a thermoplastic aromatic polycarbonate; 0 to 80 parts by weight of a copolymer or polycondensate consisting of 0 to 50 parts by weight of a thermoplastic copolymer of 50 to 95% by weight of styrene, .alpha.-methylstyrene, styrene alkylated in the nucleus, halogenated styrene or mixtures thereof and 5 to 50% by weight of acrylonitrile, methacrylonitrile, alkyl acrylate, alkyl methacrylate, maleic acid anhydride, N-substituted maleiimide, vinyl acetate or mixtures thereof and/or 0 to 80 parts by weight of a thermoplastic polyalkylene terephthalate; 1 to 25 parts by weight of graft polymer prepared from 5 to 90 parts by weight of a mixture of: 50 to 95% by weight of styrene, .alpha.-methylstyrene, halogenated styrene, styrene alkylated in the nucleus, methyl methacrylate or mixtures thereof and 5 to 50% by weight of (meth)acrylonitrile, methyl methacrylate, maleic acid anhydride, N-substituted maleiimide or mixtures thereof on 10 to 95 parts by weight of a rubber having a glass temperature TG of .ltoreq.10.degree. C.; 1 to 30 parts by weight of phosphoric acid esters of phenols, bisphenols and/or polyphenols; and 0.05 to 5 parts by weight of anti-dripping agent, the total weight of the above amounting to 100 parts by weight, wherein the anti-dripping agent is aromatic polyamides or polyimidamides (aramides) in the form of fibres or powders or deposited on carriers.