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:
Aug. 08, 1978
Filed:
Feb. 18, 1977
Applicant:
Inventor:
David R Sexsmith, Kinnelon, NJ (US);
Assignee:
Drew Chemical Corporation, Boonton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 252181 ; 422 15 ; 422 15 ;
Abstract
Corrosion inhibitor comprised of a phosphate and phosphonate, which further includes a homopolymer of maleic acid or maleic anhydride. The inhibitor is capable of effectively functioning in aqueous systems operating at an alkaline pH, and in particular a pH of above 8.5 or higher.