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. 27, 2018
Filed:
Feb. 11, 2015
Applicant:
Cytec Industries Inc., Woodland Park, NJ (US);
Inventors:
Assignee:
Cytec Industries Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 25/235 (2006.01); C08F 26/02 (2006.01); C08F 222/38 (2006.01); C01B 25/22 (2006.01); C02F 1/70 (2006.01); C02F 5/12 (2006.01); C23F 14/02 (2006.01); C23F 15/00 (2006.01);
U.S. Cl.
CPC ...
C01B 25/235 (2013.01); C01B 25/22 (2013.01); C02F 1/70 (2013.01); C02F 5/12 (2013.01); C08F 26/02 (2013.01); C08F 222/38 (2013.01); C23F 14/02 (2013.01); C23F 15/005 (2013.01);
Abstract
Processes for inhibiting scale produced during wet process phosphoric acid production by adding a scale-inhibiting amount of a reagent having a primary amine-containing polymer, or salt thereof, to one or more stages of a wet process phosphoric acid production stream are provided herein, wherein the primary amine-containing polymer includes an A mer according to Formula (I):