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:
May. 19, 2015
Filed:
Jan. 12, 2012
Applicant:
Andrea Gnagnetti, Milan, IT;
Inventor:
Andrea Gnagnetti, Milan, IT;
Assignee:
Davy Process Technology Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/42 (2006.01); C07C 51/43 (2006.01); B01D 29/52 (2006.01); C07C 51/47 (2006.01);
U.S. Cl.
CPC ...
B01D 29/52 (2013.01); C07C 51/47 (2013.01); C07C 51/42 (2013.01);
Abstract
In a process for removing aromatic carboxylic acid from a slurry thereof in solvent, the slurry is split into sub streams and each of said sub streams is supplied to a respective rotary pressure filter such that the sub stream pass through the filters in parallel. Gas is passed through the rotary pressure filters in series in an open-loop arrangement.