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. 06, 2018
Filed:
Oct. 29, 2014
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Salvatore Cotugno, Rome, IT;
Ludovica Caliano, Pomezia, IT;
John House, Rome, IT;
Giovanna Mancini, Rome, IT;
Alessandro Mauceri, Rome, IT;
Luisa Giansanti, Rome, IT;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/00 (2006.01); B60C 1/00 (2006.01); C07C 43/23 (2006.01); C08K 5/13 (2006.01);
U.S. Cl.
CPC ...
C08L 9/00 (2013.01); B60C 1/00 (2013.01); C07C 43/23 (2013.01); C08K 5/13 (2013.01);
Abstract
Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R, Rand Rare OH; R, Rand Rare H; b) Rand Rare OCH; Rand Rare OH; Rand Rare H; c) Rand Rare OH; Rand Rare OC(CH); Rand Rare H; d) Rand Rare OCH; Rand Rare OH; Rand Rare C(CH); e) Rand Rare OC(CH); Rand Rare OH; Rand Rare H.