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:
Mar. 19, 2024
Filed:
Nov. 10, 2022
Applicant:
Entegris, Inc., Billerica, MA (US);
Inventors:
Jonathan W. Dube, Bowmanville, CA;
Christopher Brown, Toronto, CA;
Keith Hao-Kiet Huynh, Toronto, CA;
Hitendra Patel, Toronto, CA;
Assignee:
ENTEGRIS, INC., Billerica, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/86 (2006.01); C07C 209/68 (2006.01);
U.S. Cl.
CPC ...
C07C 209/86 (2013.01); C07C 209/68 (2013.01);
Abstract
The disclosure provides a process for preparing solid tri(C-Calkyl)ammonium dihydrogen phosphates such as triethylammonium dihydrogen phosphate, in high yield, and in a free-flowing particulate form. The solid product advantageously possesses less than about 1500 ppm of aprotic organic solvents, less than about 1500 ppm of C-Calkanols, and less than about 500 ppm of water, as determined by Karl Fischer titration.