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. 27, 2013
Filed:
Sep. 03, 2008
Alexander Tishkov, Moskau, RU;
Gunter Scherhag, Brig, CH;
Klemens Massonne, Bad Dürkheim, DE;
Matthias Maase, Mendham, NJ (US);
Calvin Emanuel, Houston, TX (US);
Larry D. Timberlake, West Lafayette, IN (US);
Mark V. Hanson, West Lafayette, IN (US);
Alexander Tishkov, Moskau, RU;
Gunter Scherhag, Brig, CH;
Klemens Massonne, Bad Dürkheim, DE;
Matthias Maase, Mendham, NJ (US);
Calvin Emanuel, Houston, TX (US);
Larry D. Timberlake, West Lafayette, IN (US);
Mark V. Hanson, West Lafayette, IN (US);
BASF SE, Ludwigshafen, DE;
Abstract
The present invention is related to the use of specific cyclic and/or polymeric aryl-phosphines as flame retardants and to a method for reducing the flammability of organic material by incorporating into the material these specific cyclic and/or polymeric phosphines. Moreover, the invention is related to a polymeric composition containing a polymeric material and at least one of the specific cyclic and/or polymeric phosphines in an amount of from 1 to 15% by weight, based on the weight of the polymeric material. The invention also relates to a composition comprising at least one of the specific cyclic and/or polymeric phosphines and at least one polymerizable monomer.