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:
Dec. 04, 1979
Filed:
May. 19, 1977
Alan F Popplewell, deceased, late of Manchester, GB;
David R Clark, Sale, GB;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Selected N-aminomethyl-triazoles and imidazoles are prepared by the Mannich reaction on benzotriazoles or benzimidazoles with formaldehyde and primary or secondary amines. The products consist mainly of the 1-isomers. The compounds are metal passivators and are used as additives for water-based functional fluids being in contact with metals. These compounds with polar substituents on the amino-group are especially useful in water-based fluids such as anti-freeze or metal-working fluids.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile