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:
Aug. 03, 2004
Filed:
Jun. 11, 2002
Applicant:
Inventors:
Tadashi Kobayashi, Fukui, JP;
Kazuhiko Tsujibata, Fukui, JP;
Assignee:
Asahi Lite Optical Co., Ltd., Fukui, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/18 ; C08K 5/3475 ;
U.S. Cl.
CPC ...
C08K 5/18 ; C08K 5/3475 ;
Abstract
The present invention provides, by adding an ultraviolet absorbent and a colorant having a specific chemical structure, a plastic base material capable of effectively suppressing the transmission of ultraviolet radiation and short wavelength visible radiation known harmful to eyes, which material further reduces glares.