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:
Aug. 08, 2000
Filed:
Jan. 27, 1998
Applicant:
Inventors:
Luigi Lacquaniti, Rome, IT;
Guiseppe Liuzzo, Rome, IT;
Marcello Palitto, Rome, IT;
Nicola Verdone, Rome, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01D / ;
U.S. Cl.
CPC ...
423421 ; 423427 ;
Abstract
A process for preparing sodium carbonate is provided in which sodium bicarbonate is heated to a temperature of between 80 and 250 .degree. C. and at a pressure between grater than 1 bar and 20 bars. The sodium bicarbonate may be heated in the presence of an activation gas containing carbon dioxide and water.