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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.:

US 11078583 B1

PDFFull Text
Date of Patent:
Aug. 03, 2021

Filed:

Sep. 23, 2019

Processes for preparing lithium hydroxide

Applicant:

Nemaska Lithium Inc., Québec, CA;

Inventors:

Jean-François Magnan, Neuville, CA;

Guy Bourassa, Québec, CA;

Gary Pearse, Ottawa, CA;

Peter Symons, Williamsville, NY (US);

J. David Genders, Elma, NY (US);

Assignee:

NEMASKA LITHIUM INC., Quebec, CA;

Attorney:

Bereskin & Parr LLP/S.E.N.C.R.L., s.r.l.

Primary Examiner:

Arun S Phasge

Int. Cl.
CPC ...
C25B 15/02 (2006.01); C25B 1/16 (2006.01); B01D 61/44 (2006.01); C25B 9/19 (2021.01); C25B 1/00 (2021.01); C25B 13/02 (2006.01);
U.S. Cl.
CPC ...
C25B 15/02 (2013.01); B01D 61/44 (2013.01); B01D 61/445 (2013.01); C25B 1/00 (2013.01); C25B 1/16 (2013.01); C25B 9/19 (2021.01); C25B 13/02 (2013.01); Y02E 60/36 (2013.01);
Abstract

There are provided processes for preparing lithium hydroxide that comprise submitting an aqueous composition comprising a lithium compound to an electrolysis or an electrodialysis under conditions suitable for converting at least a portion of the lithium compound into lithium hydroxide. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 1 to about 4.

Find Patent Forward Citations

Magnan, Jean-François. (2021). Processes for preparing lithium hydroxide (U.S. Patent No. 11078583). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11078583

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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