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. 05, 2006
Filed:
Jan. 28, 2000
Applicants:
Mark Alperovich, Ashdod, IL;
Irene Zuhl, Ashdod, IL;
Eugene Levich, New York, NY (US);
Arie Chaikin, Bolon, IL;
Inventors:
Mark Alperovich, Ashdod, IL;
Irene Zuhl, Ashdod, IL;
Eugene Levich, New York, NY (US);
Arie Chaikin, Bolon, IL;
Assignee:
D Data Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluorescent composition for use with single-layer and multilayer optical discs for CD ROM, DVD and WORM type devices with fluorescent reading is disclosed. The composition comprises a fluorescent dye, film-forming polymer, plasticizer, surfactant and light stabilizer. A method of increasing fluorescent signal level from the optical discs both for single-layer and multilayer optical memory materials is also disclosed along with the resulting optical discs.