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.

Date of Patent:
May. 31, 1977

Filed:

Jun. 20, 1974
Applicant:
Inventors:

Herbert Kallfass, Cologne, DT;

Christian Rasp, Cologne, DT;

Reinhard Schliebs, Cologne, DT;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C23F / ;
U.S. Cl.
CPC ...
252180 ; 210 58 ; 21 / ; 252D / ; 252D / ; 2523 / ;
Abstract

In the inhibition of corrosion and scale formation in a water-carrying system wherein to the water there is added a phosphonocarboxylic acid of the formula ##STR1## in which R is hydrogen, an alkyl, alkenyl or alkinyl radical having up to 4 carbon atoms, an aryl, cycloalkyl or aralkyl radical, or the radical ##STR2## R' is hydrogen, an alkyl radical having up to 4 carbon atoms or a carboxyl radical; and


Find Patent Forward Citations

Kallfass, Herbert. (1977). Method for preventing corrosion in water-carrying systems (U.S. Patent No. 4026815). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4026815

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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