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:
Jul. 16, 1985
Filed:
Oct. 13, 1983
Kock-Yee Law, Fairport, NY (US);
Gordon E Johnson, Webster, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
Disclosed is an ablative infrared sensitive optical recording composition containing as a component thereof a dispersion of a resinous binder and an absorbing infrared sensitive tertiary butyl substituted vanadyl phthalocyanine obtained by the vapor treatment of a non-infrared sensitive tertiary butyl substituted vanadyl phthalocyanine of the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are tertiary butyl groups, or hydrogen, and M is vanadium oxide, subject to the provision that the average number of tertiary butyl groups present is from about 1 to 2.5, and at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is tertiary butyl.