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. 17, 1976
Filed:
Aug. 08, 1973
Applicant:
Inventors:
Wolfgang Sliwka, Weinheim, DT;
Wolf-Ruediger Gaefke, Ludwigshafen, DT;
Tilmann Korth, Ludwigshafen, DT;
Assignee:
Badische Anilin- & Soda-Fabrik Aktiengesellschaft, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252316 ; 8 94 / ; 252364 ; 428307 ;
Abstract
Microcapsules, particularly for the use in the manufacture of 'no carbon required' copying material, which microcapsules contain as core material not only dye precursors but also mono- or poly-alkyl-substituted indans.