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:
Jun. 25, 2002
Filed:
Feb. 17, 2000
Applicant:
Inventors:
Yasuhiro Ohnishi, Kyoto, JP;
Hiroki Katono, Fukushima, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G21F 1/10 ;
U.S. Cl.
CPC ...
G21F 1/10 ;
Abstract
Disclosed herein are a novel phosphate compound by which a copper ion can be dispersed in a high proportion in a synthetic resin, thereby providing excellent visible ray-transmitting property and performance that near infrared rays are absorbed with high efficiency, a preparation process thereof, a phosphate copper compound obtained from the phosphate compound and a preparation process thereof, and a near infrared ray-absorbing acrylic resin composition which has both excellent visible ray-transmitting property and near infrared rays absorption capability.