Title:
OPTICALLY ACTIVE FILM COMPOSITE
Document Type and Number:
WIPO Patent Application WO2002041041
Kind Code:
A3
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 %.
Inventors:
BARTH STEVEN ALLEN
HUBBARD COBY LEE
PORT ANTHONY BRIAN
HUBBARD COBY LEE
PORT ANTHONY BRIAN
Application Number:
PCT/IB2001/001378
Publication Date:
May 30, 2003
Filing Date:
June 13, 2001
Export Citation:
Assignee:
CPFILMS INC (US)
International Classes:
G02B1/04; B32B7/02; G02B5/20; (IPC1-7): C03C17/00; G02B5/20; B32B17/10
Foreign References:
| EP1008564A1 | 2000-06-14 | |||
| EP0943587A1 | 1999-09-22 | |||
| EP0727306A2 | 1996-08-21 | |||
| EP0905100A1 | 1999-03-31 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31)
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 04 31 May 1995 (1995-05-31)
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 04 31 May 1995 (1995-05-31)
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