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. 31, 1976
Filed:
Nov. 12, 1975
Applicant:
Inventors:
Kenneth D Glanz, Appleton, WI (US);
David B McQuain, Dayton, OH (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
428411 ; 2603 / ; 427145 ; 427150 ; 428537 ; 428913 ;
Abstract
Thermal sensitive indigo compounds are disclosed. A thermal sensitive sheet material is disclosed utilizing dehydroindigo di(alkyl acylates) as a color producing component. The material can be a copy medium and it can be transparent or non-transparent. The indigo compounds are substantially colorless dehydroindigo di(alkyl acylates) colorable by thermal exposure.
Glanz, Kenneth. (1976). Thermal sensitive materials (U.S. Patent No. 3978270). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3978270
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile