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:
Sep. 20, 1977
Filed:
Feb. 18, 1975
Applicant:
Inventors:
Hermann Perrey, Krefeld, DT;
Jurgen Schulze, Opladen, DT;
Hans Jurgen Rosenkranz, Krefeld, DT;
Hans Rudolph, Krefeld, DT;
Reinhold Hornle, Cologne, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
8 87 ; 8 1 / ; 8 39 / ; 8 41 / ; 8 42 / ; 8 94 / ; 8173 ; 8174 ; 8DIG / ;
Abstract
The invention relates to dyestuff preparations which contain
Quick Actions:
Perrey, Hermann. (1977). Dyestuff preparations (U.S. Patent No. 4049378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4049378
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile