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. 16, 1989
Filed:
Apr. 07, 1988
Applicant:
Inventors:
Arend Werner, Bad Duerkheim, DE;
Hartmut Hibst, Ludwigshafen, DE;
Helmut Barzynski, Bad Duerkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G01D / ;
U.S. Cl.
CPC ...
350321 ; 350320 ; 350164 ; 3461351 ; 427250 ; 430-8 ;
Abstract
Irreversible optical recording media record information through local alteration of the optical properties of a recording layer on exposure to light.
Werner, Arend. (1989). Irreversible optical recording media and fabrication thereof (U.S. Patent No. 4830465). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4830465
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile