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. 10, 2009
Filed:
Apr. 29, 2003
Hugo Camenzind, Bern, CH;
Paul Dubs, Cham, CH;
Peter Hänggi, Giffers, CH;
Roger Martin, Rheinfelden, CH;
Andreas Mühlebach, Frick, CH;
François Rime, Delémont, CH;
Hugo Camenzind, Bern, CH;
Paul Dubs, Cham, CH;
Peter Hänggi, Giffers, CH;
Roger Martin, Rheinfelden, CH;
Andreas Mühlebach, Frick, CH;
François Rime, Delémont, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.