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:
Jun. 28, 1977
Filed:
Oct. 28, 1975
Applicant:
Inventors:
Horst E Zilch, Yorba Linda, CA (US);
Paul W Fischer, Whittier, CA (US);
Assignee:
Union Oil Company of California, Brea, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C02B / ; C23F / ;
U.S. Cl.
CPC ...
252 / ; 1662 / ; 166279 ; 166310 ; 210 58 ; 252180 ;
Abstract
A method of inhibiting the formation of scale from aqueous solutions containing scale-forming ions at temperatures of up to 400.degree. F. and above during production and utilization of such aqueous solutions comprising adding to the solutions certain amines, amides, thioamides, carboxylic acids or amide reaction products of carboxylic acids and various amines.