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:
Oct. 04, 2011
Filed:
Mar. 23, 2005
Beat Michael Aebli, Basel, CH;
Samuel Evans, Marly, CH;
Marc Ribeaud, Delémont, CH;
David Eliezer Chasan, Teaneck, NJ (US);
Beat Michael Aebli, Basel, CH;
Samuel Evans, Marly, CH;
Marc Ribeaud, Delémont, CH;
David Eliezer Chasan, Teaneck, NJ (US);
Ciba Speciality Chemicals Corp., Tarrytown, NY (US);
Abstract
The invention relates to a composition comprising a mixture of alkylated N-α-naphthyl-Nphenylamine (PANA) and alkylated diphenylamine (DPA), the product obtainable by alkylating PANA or a mixture of PANA and DPA with alkenes and the process for alkylating PANA or a mixture of PANA and DPA with alkenes. The compositions according to the present invention have an outstanding anti-oxidative action, which can be demonstrated by established test methods.