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:
Feb. 02, 2021
Filed:
Feb. 11, 2016
Applicant:
Cytec Industries Inc., Woodland Park, NJ (US);
Inventors:
Ryan Kopreski, Norwalk, CT (US);
Lei Zhang, Stamford, CT (US);
John Carr, Norwalk, CT (US);
Roderick Ryles, Milford, CT (US);
Assignee:
Cytec Industries Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 5/12 (2006.01); C02F 5/10 (2006.01); C01B 25/22 (2006.01); C01B 25/18 (2006.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
C02F 5/12 (2013.01); C02F 5/10 (2013.01); C01B 25/18 (2013.01); C01B 25/22 (2013.01); C02F 2103/10 (2013.01);
Abstract
Processes for inhibiting scale produced during wet process phosphoric acid production by adding a scale inhibiting amount of a reagent having at least one amine portion including at least one primary amine, and at least one hydrocarbyl portion having an insolubilizing group attached thereto to at least one stage of a wet process phosphoric acid production process are provided herein.