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. 12, 2010
Filed:
Dec. 14, 2006
Brian Edgecombe, Moorpark, CA (US);
Florence Mehlmann, King of Prussia, PA (US);
Ryan Dirkx, Glenmore, PA (US);
Manuel Garcia, Yardley, PA (US);
Brian Edgecombe, Moorpark, CA (US);
Florence Mehlmann, King of Prussia, PA (US);
Ryan Dirkx, Glenmore, PA (US);
Manuel Garcia, Yardley, PA (US);
Arkema France, Colombes, FR;
Abstract
The invention relates to a high optical purity toughened copolymer film or coating. The copolymer is a graft or block copolymer, preferably acrylic, preferably produced by a controlled radical polymerization having an extremely low degree of particulate contamination and excellent optical properties. The film or coating is preferably formed by solvent-casting on a temporary substrate or solvent-coating on a permanent substrate.