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:
Feb. 14, 1984
Filed:
Dec. 22, 1980
Applicant:
Inventors:
Assignee:
Ciba-Geigy AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ;
U.S. Cl.
CPC ...
282 275 ; 428327 ; 428341 ; 428342 ; 428530 ;
Abstract
A pressure-sensitive recording material which contains, on at least one support, at least one color former and one inorganic developer therefor applied in the form of coatings, said coatings additionally containing a urea-formaldehyde condensate with a BET specific surface area of 3 to 30 m.sup.2 /g.
Hofer, Arnold. (1984). Pressure-sensitive recording material (U.S. Patent No. 4431213). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4431213
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile