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:
Jun. 06, 1978
Filed:
Dec. 27, 1976
Applicant:
Inventor:
James Kern Sears, Webster Groves, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
282 275 ; 427145 ; 427150 ; 427151 ; 428307 ; 428325 ; 428327 ; 428511 ; 428914 ;
Abstract
Solvents useful to dissolve dyes employed in pressure-sensitive copying systems comprise aryl esters of benzoic or substituted benzoic acid having the structure: ##STR1## wherein R.sub.1 is hydrogen, methyl or ethyl; R.sub.2 is hydrogen or C.sub.1 to C.sub.9 alkyl; R.sub.3 is hydrogen, methyl or ethyl; and n is zero or 1.