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:
Jul. 06, 1976
Filed:
Feb. 06, 1975
Applicant:
Inventors:
Pierluigi Canata, Pellaro (Reggio Calabria), IT;
Giampiero Longobardi, Rome, IT;
Assignees:
Compagnia Tecnica Industrie Petroli S.p.A., Rome, IT;
Liquichimica S.p.A., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2041 / ; 204131 ; 204301 ;
Abstract
A process for producing citric acid in crystalline form from solutions of alkaline citrates, comprising sequentially the stages of: