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. 22, 1989
Filed:
Sep. 30, 1987
Applicant:
Inventors:
Bodo Hilterhaus, Monchen-Gladbach, DE;
Gunther Hunger, Korschenbroich, DE;
Assignee:
Feldmuhle Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
503213 ; 427150 ; 427151 ; 428 16 ; 428 17 ; 428914 ; 503215 ; 503224 ;
Abstract
A pressure-sensitive recording material is disclosed, having microcapsules containing a triphenylmethane leuco-dye dissolved in a solvent composed at least 80% of plant, animal or paraffin oils, the microcapsule walls being formed of a wall material which is water-soluble or water-dispersible before the formation of the microcapsules. Preferably, the color former is of the formula ##STR1##
Hilterhaus, Bodo. (1989). Pressure-sensitive recording material (U.S. Patent No. 4859650). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4859650
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile