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:
Dec. 10, 1991
Filed:
Mar. 26, 1990
Applicant:
Inventors:
Raymond Commandeur, Vizile, FR;
Bernard Gurtner, Grenoble, FR;
Assignee:
Atochem, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
4284022 ; 503213 ;
Abstract
Microcapsules containing a color-forming material and a solvent therefor, the solvent being a mixture of certain oligomeric isomers of benzylcumene and its higher homologues and a mixture of isomers of bis(isopropylphenyl) phenylmethane.