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:
Mar. 26, 2013
Filed:
Feb. 08, 2010
Applicants:
Luca Bemporad, Bergamo BG, IT;
Ferruccio Berte, Bergamo BG, IT;
Carlo Seccomandi, Bergamo BG, IT;
Inventors:
Assignee:
3V Sigma S.p.A., Milan MI, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); B01F 17/00 (2006.01); B60C 1/00 (2006.01); C07D 401/00 (2006.01); C07D 403/00 (2006.01); C07D 413/00 (2006.01); C08G 18/28 (2006.01); C08G 69/26 (2006.01); C08G 73/10 (2006.01); C08K 5/34 (2006.01); C08K 5/35 (2006.01); C08K 5/3435 (2006.01); C08K 5/3492 (2006.01); C08L 67/00 (2006.01); C08L 73/00 (2006.01); C08L 75/00 (2006.01); C08L 77/00 (2006.01); C08L 79/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to polypiperidine compounds capable of conferring to polymeric materials, particularly polyolefins, a high stability against photodegradation and oxidative action of air, which belong to the HALS category and have the following general formula (I) in which x can be zero or 1; wherein Ris selected from the group consisting of H, C-Cstraight-chain and branched-chain alkyl groups;