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:
Dec. 16, 2003
Filed:
Jun. 13, 2001
Applicant:
Inventors:
Steven A. Barth, Martinsville, VA (US);
Anthony B. Port, Collinsville, VA (US);
Coby L. Hubbard, Meadows of Dan, VA (US);
Assignee:
CPFilms, Inc., Martinsville, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/00 ; B32B 5/02 ; B32B 7/02 ; B32B 7/12 ; B32B 2/736 ; B32B 2/740 ;
U.S. Cl.
CPC ...
B32B 5/00 ; B32B 5/02 ; B32B 7/02 ; B32B 7/12 ; B32B 2/736 ; B32B 2/740 ;
Abstract
An optically active film composite including a polymeric film substrate coated with a layer of resin having a thickness of less than 6 microns and a pencil hardness of at least 2H, and which includes 30-60% by weight of nanoparticles of ATO or ITO, and nanoparticles of a second metallic compound being an inorganic compound and absorbing light having a wavelength in the range of 700-1100 nm. The composite preferably has a VLT of at least 50% and a %TSER of at least 35% with a weighted UV absorption of less than 1%.