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:
Sep. 14, 2004
Filed:
Jul. 17, 2001
Applicant:
Inventors:
Gabriele Pietro Norcini, Vizzola Ticino, IT;
Guido Allieri, Goria Maggiore, IT;
Angelo Roberto Casiraghi, Milan, IT;
Mauro Ferracini, Ferno, IT;
Marco Visconti, Varesa, IT;
Giuseppe Li Bassi, Gavirate, IT;
Assignee:
Lamberti SpA, Albizzate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/34 ;
U.S. Cl.
CPC ...
C08K 5/34 ;
Abstract
Disclosed are chlorine containing polymer compositions containing stabilizers which impart good thermal stability. PVC compositions and, in particular, flexible PVC compositions containing stabilizers which are oligomeric and/or polymeric aminouracyls exhibit high thermal stability as evidenced by improved resistance to yellowing and blistering upon extended exposure to high temperatures.