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:
Feb. 16, 2010
Filed:
Dec. 12, 2005
Applicant:
Brent C. Bell, Fairport, NY (US);
Inventor:
Brent C. Bell, Fairport, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 7/06 (2006.01); B23B 23/04 (2006.01); B23B 23/08 (2006.01); B23B 27/08 (2006.01); B23B 27/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention generally relates to polymer films used as protective cover sheets for polarizer plates, their manufacture, and to a method for producing polarizing plates employing such polymer films. More particularly, the invention provides a guarded cover sheet composite comprising a temporary carrier substrate having a first cover sheet comprising a first low birefringence film on one side and a second cover sheet comprising a second low birefringence film on the other side.