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:
Jan. 26, 1993
Filed:
Dec. 11, 1990
Applicant:
Inventors:
Norbert Lonhoff, Leverkusen, DE;
Ludwig Schmidt, Krefeld, DE;
Hans-Dieter Block, Leverkusen, DE;
Rainer Weber, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 97 ; 204 / ; 2041 / ; 204129 ;
Abstract
A process for the production of chromic acid, comprising
Lonhoff, Norbert. (1993). Process for the preparation of chromic acid (U.S. Patent No. 5181994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5181994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile