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. 17, 1993
Filed:
Aug. 24, 1992
Applicant:
Inventors:
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; G02B / ; B22F / ; C09D / ;
U.S. Cl.
CPC ...
252587 ; 252582 ; 252584 ; 106-123 ; 359350 ; 359356 ;
Abstract
A plate or a sheet being capable of absorbing near IR-rays, which is prepared by heating both at least a raw material of a transparent polymer and a mixture of a thiourea compound and a copper compound. This invention provides superior optical materials for shielding sunlight thermic rays, better information recording materials and the like.