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:
Dec. 04, 1984
Filed:
Dec. 01, 1982
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A thermosensitive recording material comprising a support member and thermosensitive layer formed on the support member, the thermosensitive layer comprising a fluoran compound represented by the formula (I), an acidic material capable of coloring the fluoran compound upon application of heat thereto, and a benzamide compound of the formula (II) ##STR1## wherein R.sup.1 represents an alkyl group with 5 to 8 carbon atoms, R.sup.2 represents an alkyl group with 1 to 8 carbon atoms, and R.sup.3 represents an alkyl group with 1 to 2 carbon atoms; ##STR2## wherein R.sup.4 represents an alkyl group with 10 to 30 carbon atoms, and A represents hydrogen or --COOR.sup.5 in which R.sup.5 represents an alkyl group with 1 to 10 carbon atoms.