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. 27, 2001
Filed:
May. 02, 2000
Applicant:
Inventor:
Bernd Nestler, Frankfurt am Main, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
An aqueous solution of diazonium salts is prepared in the absence of organic solvents by reducing a water-soluble aromatic nitro compound in aqueous solution with hydrogen and a hydrogenation catalyst to give the aromatic amino compound, and diazotizing this amino compound in the aqueous solution.
Nestler, Bernd. (2001). Process for the preparation of aqueous diazonium salt solutions (U.S. Patent No. 6207809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6207809
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile