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. 20, 2007
Filed:
Sep. 02, 2004
Applicants:
Ramil-marcelo L. Mercado, Rolla, MO (US);
William L. Dimenna, University Heights, OH (US);
Inventors:
Ramil-Marcelo L. Mercado, Rolla, MO (US);
William L. DiMenna, University Heights, OH (US);
Assignee:
Brewer Science Inc., Rolla, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
New compositions for use as high refractive index layers are provided. The compositions comprise a polyimide dispersed or dissolved in a solvent system. The polyimide can be prepared from commercially available dianhydrides and diamines. Preferred polymer include recurring monomers selected from the group consisting of The inventive compositions can form strong, thin films and have high refractive indices making them useful in a wide range of optical applications.