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:
Mar. 31, 1992
Filed:
Jan. 03, 1991
Applicant:
Inventors:
J Michael Brown, The Woodlands, TX (US);
Cato R McDaniel, The Woodlands, TX (US);
Truc K Nguyen, Houston, TX (US);
Steven P Sherwood, Denver, CO (US);
Assignee:
Betz Laboratories, Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210699 ; 210701 ; 252180 ; 252181 ;
Abstract
A method for the inhibition of silica deposition on the surfaces of a structure which contains an aqueous medium comprising adding to the aqueous medium a composition comprising HEDP, PEG and a water soluble polymer having the structure: ##STR1## wherein M is a water soluble cation. This invention is particularly effective in cooling water and steam generating systems.