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:
May. 12, 2015
Filed:
Sep. 23, 2010
Applicants:
Sathanjheri A. Ravishankar, Shelton, CT (US);
Bing Wang, Brookfield, CT (US);
Inventors:
Sathanjheri A. Ravishankar, Shelton, CT (US);
Bing Wang, Brookfield, CT (US);
Assignee:
Cytec Technology Corp., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 25/16 (2006.01); B03D 3/06 (2006.01); C01F 1/00 (2006.01); C01B 25/22 (2006.01);
U.S. Cl.
CPC ...
C01B 25/22 (2013.01);
Abstract
Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.