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:
Jul. 06, 1976
Filed:
Aug. 30, 1973
Applicant:
Inventors:
John F Herber, St. Louis, MO (US);
James K Sears, Webster Groves, MO (US);
Quentin E Thompson, Belleville, IL (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428537 ; 427145 ; 427149 ; 427150 ; 427261 ; 428454 ;
Abstract
Benzyl aryl ethers are useful solvents for chromogenic materials in preparing pressure-sensitive record material wherein a colorless or substantially colorless chromogen is reacted in the presence of a benzyl aryl ether solvent with an acidic sensitizing material to form a colored mark in a pattern determined by the application of localized pressure to the record material. The benzyl aryl ether solvents are heat stable and give particularly fast color development on phenolic resin coated papers.