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. 22, 2014
Filed:
Sep. 12, 2008
Nathaniel T. Becker, Hillsborough, CA (US);
Ryszard Braun, Fairport, NY (US);
Robert I. Christensen, Jr., Pinole, CA (US);
Stefan Ekbom, Tenala, FI;
Robin Fong, Moutain View, CA (US);
Alexandra Schuler, Woodside, CA (US);
Nathaniel T. Becker, Hillsborough, CA (US);
Ryszard Braun, Fairport, NY (US);
Robert I. Christensen, Jr., Pinole, CA (US);
Stefan Ekbom, Tenala, FI;
Robin Fong, Moutain View, CA (US);
Alexandra Schuler, Woodside, CA (US);
Danisco US Inc., Palo Alto, CA (US);
Abstract
Filtration processes and systems are provided for the separation of a filterable fluid stream by a filtration membrane module with uniform transmembrane pressure and flux along the membrane and internal control of membrane fouling via intermittent periodic reduction of the pressure differential between the permeate and retentate sides of the membrane and/or backwashing cycles during separation, recovery, and/or purification of proteins, peptides, nucleic acids, biologically produced polymers and other compounds or materials from aqueous fluids.