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. 25, 1976

Filed:

Sep. 26, 1975
Applicant:
Inventors:

Horst E Zilch, Yorba Linda, CA (US);

Paul W Fischer, Whittier, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C23F / ; E21B / ;
U.S. Cl.
CPC ...
1662 / ; 166279 ; 166310 ; 21 / ; 252180 ; 210 58 ;
Abstract

A method of inhibiting the formation of scale from aqueous solutions containing scale-forming ions at temperatures of 400.degree. F. and above during production and utilization of such aqueous solutions comprising adding to the solutions certain substituted iminodi(methylene phosphonic acid) compounds or a water-soluble salt thereof.


Find Patent Forward Citations

Zilch, Horst. (1976). Method of inhibiting scale for high temperature steam wells (U.S. Patent No. 3958635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3958635

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

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