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. 20, 2000
Filed:
Jul. 24, 1998
Applicant:
Inventor:
Rodney J Hurditch, Providence, RI (US);
Assignee:
Media Chemical Corp., Trumbull, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 641 ; 428 644 ; 428 648 ; 428913 ; 43027014 ; 43027018 ; 4302702 ; 4304951 ; 430945 ; 368283 ; 368288 ;
Abstract
A composition suitable for forming an optical information recording layer for carrying out recording and readout with laser beams, which comprises at least one cyanine dye, and at least one leuco compound of formulae (VII) or (VIII); and optionally, at least one aminium compound of formulae (IV) or (V).