Title of Invention

AN OPTICAL DISK AND A METHOD OF LABELING OF THE SAME

Abstract Systems (10) and methods of labelling optical disk (14) recording media using black leuco dyes in an electromagnetic radiation sensitive composition are described. Black leuco dyes containing isobenzofuranone are prepared in various compositions that can include activators, radiation absorbers, non-leuco colorants, and/or a variety of carriers. The leuco dye compositions can be applied and prepared to achieve a desired visual effect upon development of the black leuco dye.
Full Text

Documents:

1615-CHENP-2005 ABSTRACT.pdf

1615-CHENP-2005 CLAIMS.pdf

1615-CHENP-2005 CORRESPONDENCE OTHERS.pdf

1615-CHENP-2005 CORRESPONDENCE PO.pdf

1615-CHENP-2005 DESCRIPTION (COMPLETE) GRANTED.pdf

1615-CHENP-2005 DRAWINGS.pdf

1615-CHENP-2005 FORM-1.pdf

1615-CHENP-2005 FORM-18.pdf

1615-CHENP-2005 FORM-3.pdf

1615-CHENP-2005 FORM-5.pdf

1615-CHENP-2005 POWER OF ATTORNEY.pdf


Patent Number 232318
Indian Patent Application Number 1615/CHENP/2005
PG Journal Number 13/2009
Publication Date 27-Mar-2009
Grant Date 16-Mar-2009
Date of Filing 17-Jul-2005
Name of Patentee HEWLETT-PACKARD DEVELOPMENT COMPANY L.P
Applicant Address 20555 SH-249 HOUSTON, TEXAS 77070,
Inventors:
# Inventor's Name Inventor's Address
1 FIELD MARSHALL 3522 NW ROBIN PLACE, CORVALLIS, OREGON 97330,
2 KASPERCHIK, VLADEK P 4308 NW JON PLACE, CORVALLIS, OREGON 97330,
3 GORE, MAKARAND P 1210 NE CONROY PLACE, CORVALLIS OREGON 97330,
PCT International Classification Number G11B 23/40
PCT International Application Number PCT/US2004/001805
PCT International Filing date 2004-01-23
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 10/365,186 2003-02-10 Argentina
2 10/351,188 2003-01-24 Argentina