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:
Jan. 04, 1994
Filed:
Feb. 12, 1992
Applicant:
Inventors:
Katsutoshi Misuda, Yokohama, JP;
Hitoshi Kijimuta, Yokohama, JP;
Takafumi Hasegawa, Yokohama, JP;
Nobuyuki Yokota, Yokohama, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428195 ; 4283044 ; 428323 ; 428329 ; 428331 ; 4284111 ; 428688 ; 428914 ;
Abstract
A recording film comprising a transparent substrate, a porous alumina hydrate layer formed on the substrate and an opaque porous layer laminated on the alumina hydrate layer.