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:
Nov. 15, 2011
Filed:
Nov. 03, 2005
Berthold Just, Hamburg, DE;
Uwe Dittrich, Radebeul, DE;
Holger Keller, Sindelfingen-Darmsheim, DE;
Manfred Doering, Woerth-Büchelberg, DE;
Uwe Storzer, Karlsruhe, DE;
Michael Ciesielski, Merseburg, DE;
Berthold Just, Hamburg, DE;
Uwe Dittrich, Radebeul, DE;
Holger Keller, Sindelfingen-Darmsheim, DE;
Manfred Doering, Woerth-Büchelberg, DE;
Uwe Storzer, Karlsruhe, DE;
Michael Ciesielski, Merseburg, DE;
Abstract
Nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereof. The invention refers to nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, a process for the preparation thereof and their use as flameproofing agents for polymers such as polyesters, polyamides, polycarbonates, polystyrenes, polyethylene, polypropylene, phenolic and epoxy resins. The derivatives have the Formulae I or II: