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:
May. 09, 1989
Filed:
Dec. 16, 1986
Applicant:
Inventors:
Wolfgang Schrott, Ludwigshafen, DE;
Peter Neumann, Wiesloch, DE;
Peter Hauser, Limburgerhof, DE;
Gerhard Wagenblast, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
369275 ; 3461351 ; 346 / ; 369288 ; 428 64 ; 428 65 ;
Abstract
An optical recording medium containing a storage layer and, if required, one or two substrate layers, the storage layer containing graphite as the storage material, a process for the production of the novel optical recording medium, and its use as a Read Only Memory information carrier.
Quick Actions:
Schrott, Wolfgang. (1989). Optical recording medium, its preparation and its use as a read only (U.S. Patent No. 4829509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4829509
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile