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. 23, 1992
Filed:
Mar. 16, 1990
Applicant:
Inventors:
Sibylle Brosius, 6700 Ludwigshafen, DE;
Bernhard Albert, 6701 Maxdorf, DE;
Michael Schmitt, 6940 Weinheim, DE;
Klaus D Schomann, 6700 Ludwigshafen, DE;
Harald Kuppelmaier, 6701 Goennheim, DE;
Ulrich Harten, 6700 Ludwigshafen, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; C08F / ; C08G / ;
U.S. Cl.
CPC ...
430495 ; 430270 ; 430945 ; 526280 ; 526284 ; 528396 ;
Abstract
An optical recording medium consists essentially of a base material and a light-absorbing layer which contains a thermoplastic binder and at least one dye, wherein the thermoplastic binder is a polycyclic hydrocarbon which has a glass transition temperature Tg of greater than 150.degree. C. and is soluble to more than 3% by weight in an aliphatic or aromatic hydrocarbon.