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. 17, 2013
Filed:
Feb. 12, 2007
Applicants:
Helmut Moehwald, Annweiler, DE;
Thorsten Bock, Freiburg, DE;
Rolf Muelhaupt, Freiburg, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 32/00 (2006.01); C08F 32/04 (2006.01); C08F 132/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to halogen-free, oligomeric or polymeric phosphonic acids made up of units of the general formula (I)—[(O)—{R(X)(Y)}R(X)]—[(O)—R(X)]—  (I),where: where the radicals X are substituents on Rand Rand the radicals Y are parts of polymer or oligomer chain, to a process for preparing these compounds and also to halogen-free mixtures comprising one or more compounds of the general formula (I) and a nitrogen-free solvent having a boiling point of >150° C.