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:
Sep. 07, 1993
Filed:
Mar. 28, 1991
Applicant:
Inventors:
Seizaburo Shimizu, Yokohama, JP;
Shigeru Matake, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 428 65 ; 428446 ; 428447 ; 428913 ; 346 / ; 3461351 ; 450975 ;
Abstract
An optical disc having a transparent substrate, a resin layer comprised of a silicon resin and a curing catalyst, a projection/recess pattern formed on the transparent substrate, and a recording layer formed on the resin layer.
Shimizu, Seizaburo. (1993). Resin composition for an optical disc and an optical disc using it (U.S. Patent No. 5242731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5242731
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile