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:
Nov. 22, 2011
Filed:
Oct. 07, 2004
Applicant:
Thierry Aubert, Pau, FR;
Inventor:
Thierry Aubert, Pau, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08C 19/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a sulphur donor curing agent comprising a combination of between 10 and 90 wt % of a mixture of polysulphides of poly(alkyl phenol) and between 90 and 10 wt. % a compound of the formula R'NHCONHR″ were R′ and R″ are the same or different and are hydrogen oa an alkyl or aryl radical having 1 to 20 carbon atoms and methods of curing an EPDM-type rubber elastomer with the composition which presents no risk of the formation of nitrosamines.