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:
Apr. 28, 2015
Filed:
Mar. 27, 2006
Bruce A. Keiser, Naperville, IL (US);
Raymond D. Miller, Jr., Carol Stream, IL (US);
Linda S. Strysik, Crest Hill, IL (US);
David A. Grattan, Bolingbrook, IL (US);
Bruce A. Keiser, Naperville, IL (US);
Raymond D. Miller, Jr., Carol Stream, IL (US);
Linda S. Strysik, Crest Hill, IL (US);
David A. Grattan, Bolingbrook, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
A method of stabilizing silica-containing anionic microparticles upon mixing of the silica-containing anionic microparticles with hard water comprising adding one or more hardness-abating additives to the hard water prior to mixing of the hard water and the silica-containing anionic microparticles; or adding an effective stabilizing amount of one or more hardness-abating agents to the silica-containing anionic microparticles prior to mixing of the hard water with the silica-containing anionic microparticles and a stabilized composition comprising silica-containing anionic microparticles and an effective stabilizing amount of one or more hardness-abating additives.