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:
May. 16, 1978
Filed:
Jun. 14, 1976
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C02B / ;
U.S. Cl.
CPC ...
252181 ; 252148 ; 252175 ; 252 87 ; 252387 ; 2523 / ; 252396 ; 252 / ; 21 / ; 21 / ; 210 58 ;
Abstract
Compositions for inhibiting corrosion and scale formation in aqueous systems which consist essentially of from 20 to 97.5% by weight of total composition of (a) a combination of zinc and hydrolyzed polymaleic anhydride and (b) 2.5 to 80% by weight of total composition of a corrosion inhibitor, particularly benzotriazole.