US Patent 11078583 Processes for preparing lithium hydroxide

Patent 11078583 was granted and assigned to Nemaska Lithium on August, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Nemaska Lithium

Current Assignee

Nemaska Lithium

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

110785830

Patent Inventor Names

Peter Symons0

J. David Genders0

Jean-François Magnan0

Gary Pearse0

Guy Bourassa0

Date of Patent

August 3, 2021

Patent Application Number

201909230

Date Filed

September 23, 2019

Patent 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.