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:
Feb. 11, 2003
Filed:
Jul. 03, 2001
Applicant:
Inventors:
Heinz Friedrich Sutoris, Worms, DE;
Gerhard Wagenblast, Wachenheim, DE;
Volker Schliephake, Schifferstadt, DE;
Jürgen Schröder, Ludwigshafen, DE;
Klaus Joachim Müller-Engel, Stutensee, DE;
Harald Keller, Ludwigshafen, DE;
Thomas Jaworek, Kallstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 6/952 ;
U.S. Cl.
CPC ...
C07C 6/952 ;
Abstract
In a process for stabilizing chemical compounds having at least one ethylenically unsaturated bond to undesired free radical polymerization, a nitroxyl radical and a chemical compound containing phosphorus in chemically bonded form are added to the unsaturated compound present as pure substance or as a component of a mixture.