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:
Dec. 10, 1985
Filed:
Mar. 29, 1982
Applicant:
Inventor:
Morton Meadow, Trenton, NJ (US);
Assignee:
Intermountain Research & Development Corporation, Green River, WY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D / ; C01D / ; C01D / ; C22B / ;
U.S. Cl.
CPC ...
4232 / ; 423421 ; 423427 ;
Abstract
Soda ash is prepared from dry-mined nahcolite ore by partially calcining the ore, dissolving the ore in aqueous solution, separating the resultant solution from the ore insolubles, crystallizing anhydrous sodium carbonate or sodium carbonate monohydrate, and recovering the crystallized sodium carbonate.