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:
Jan. 05, 1982
Filed:
Sep. 30, 1980
Applicant:
Inventor:
Jean C Petitpierre, Kaiseraugst, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B41L / ;
U.S. Cl.
CPC ...
282 275 ; 427150 ; 427151 ; 427152 ; 428411 ; 428488 ; 428524 ; 428913 ; 428914 ; 4283206 ; 430334 ;
Abstract
A pressure-sensitive or heat-sensitive recording material which contains in its color reactant system, as developer for the color former, at least one compound of the formula ##STR1## wherein X is the direct bond or ##STR2## each of R.sub.1, R.sub.2 and R.sub.3 independently is hydrogen or unsubstituted or substituted alkyl, aryl or aralkyl, or R.sub.1 and R.sub.3, together with the nitrogen atom to which they are attached, are a 5- or 6-membered heterocyclic radical, Q is carbon or an unsubstituted or substituted hydrocarbon radical, Y is halogen, and m is 1 to 3. The grouping --Q--Y.sub.m is preferably --C(Hal).sub.3, wherein Hal is halogen.