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:
Sep. 01, 1981
Filed:
Mar. 07, 1980
Barry L Marginean, Scottsville, NY (US);
Labelon Corporation, Canandaigua, NY (US);
Abstract
A color forming heat sensitive coating composition comprising a color forming amount of a finely divided homogenous basic 3,3-bisarylphthalane derivative and a color developing amount of a finely divided solid phenyl derivative which at thermal printing temperature is at least partly fluidizable and capable of a color forming reaction with said 3,3-bisarylphthalane compound dispersed in a polyvinyl alcohol carrier is disclosed wherein the improvement comprises the addition of an anti-sticking amount of a functional filler which may be a di(lower alkyl)dithiocarbamate or lower alkylxanthate of lead, zinc, cadmium and alkaline earth metals or a tetra (lower alkyl)thiuram disulfide or a di(lower alkyl) xanthogen.