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:
Mar. 05, 1996
Filed:
Dec. 06, 1994
Applicant:
Inventors:
Margot Campos, Charleston, SC (US);
Guenter Franke, Mt. Pleasant, SC (US);
Michael J Greene, Mt. Pleasant, SC (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
106495 ; 106493 ; 106494 ; 546 49 ; 546 56 ; 546 57 ; 546 58 ;
Abstract
This invention relates to a process for the preparation of quinacridone pigments comprising