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:
Aug. 10, 1999
Filed:
Aug. 14, 1997
Ojl Paper Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a heat sensitive recording material comprising a heat sensitive recording layer formed on a substrate and containing an electron-donating compound and an electron-accepting compound, and a protective layer formed on the recording layer when required, the recording material being characterized in that at least one benzotriazole compound represented by the formula (1) is incorporated into at least one of the heat sensitive recording layer and the protective layer ##STR1## wherein R.sup.1 is C.sub.1.about.4 alkyl, Ar is 1,3-phenylene or 1,4-phenylene.
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