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:
Nov. 19, 2024
Filed:
May. 29, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Puspendu Deo, Pearland, TX (US);
Maria Simon, Rosharon, TX (US);
Pramod Akhade, Houston, TX (US);
Graham P. Abramo, Penllyn, PA (US);
Kaylie L. Young, Sugar Land, TX (US);
Somil Chandrakant Mehta, Mumbai, IN;
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
A method of inhibiting silica and silicate scale formation via treating an aqueous system containing silica with an effective amount of a chelating agent blended with a polymeric dispersant in a weight ratio range from greater than 1.0:0.5 to less than 1.0:3.0, agent to dispersant, including blends in a weight ratio of 1:1. Specifically, the chelating agent is either EDTA or DTPA, while the polymer dispersant is an acid and alkylene oxide derived dispersant.