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:
Aug. 22, 1995
Filed:
Feb. 28, 1994
Doris Zeltner, Roemerberg, DE;
Norbert Niessner, Friedelsheim, DE;
Friedrich Seitz, Friedelsheim, DE;
Ranier Neumann, Mutterstadt, DE;
Stefan Seelert, Frankenthal, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene containing, as essential components, A) from 5 to 92% by weight of one or more polyphenylene ethers, B) from 5 to 92% by weight of a vinylaromatic polymer and C) from 3 to 25% by weight of a flameproofing agent based on C1) from 20 to 100% by weight (based on the total amount of C) of a polymeric phosphorus compound which is obtained by polymerizing or copolymerizing one or more compounds of the following structure: ##STR1## where ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and R.sup.11 are each hydrogen, alkyl, cycloalkyl, aralkyl or aryl,