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. 21, 1994
Filed:
Apr. 24, 1991
Applicant:
Inventors:
Egbert W Meijer, Waalre, NL;
Bernard L Feringa, Paterswolde, NL;
Wolter F Jager, Groningen, NL;
Ben De Lange, Groningen, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
430 19 ; 430495 ; 430945 ; 430342 ; 430343 ; 3461351 ;
Abstract
An optical recording medium and a method of writing, reading and erasing information in an optical recording medium are provided in which the optical recording medium comprises a carrier and a recording layer which contains at least one optically active organic compound, wherein said optically active organic compound is an inherently chiral dissymmetric olefinic chromophore.