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. 26, 2026
Filed:
Sep. 14, 2021
Applicant:
Porifera, Inc., San Leandro, CA (US);
Inventor:
Charles Knight Benton, Berkley, CA (US);
Assignee:
Porifera, Inc., San Leandro, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/47 (2006.01); B01D 61/02 (2006.01); B01D 61/08 (2006.01);
U.S. Cl.
CPC ...
C07C 51/47 (2013.01); B01D 61/026 (2022.08); B01D 61/08 (2013.01); B01D 2317/027 (2013.01); B01D 2317/06 (2013.01);
Abstract
Examples relate to systems and methods for concentrating acetic acid solutions using multi-tier ultrahigh pressure ('UHP') reverse osmosis. Along with an acetic acid product having a concentration of at least 25 weight percent (wt %), the systems and methods disclosed herein simultaneously provide water with an acetic acid concentration of 2 wt % or less in at little as three tiers.