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. 24, 2011
Filed:
Jan. 10, 2008
Robert L. Fahrner, San Mateo, CA (US);
Jayme Franklin, San Mateo, CA (US);
Paul Mcdonald, San Francisco, CA (US);
Thanmaya Peram, Campbell, CA (US);
Vikram Sisodiya, San Jose, CA (US);
Corazon Victa, Walnut Creek, CA (US);
Robert L. Fahrner, San Mateo, CA (US);
Jayme Franklin, San Mateo, CA (US);
Paul McDonald, San Francisco, CA (US);
Thanmaya Peram, Campbell, CA (US);
Vikram Sisodiya, San Jose, CA (US);
Corazon Victa, Walnut Creek, CA (US);
Genentech, Inc., South San Francisco, CA (US);
Abstract
Methods are presented for isolating and purifying proteins by adding a polyelectrolyte to a cell culture fluid, such as a harvested cell culture fluid, and precipitating a protein-polyelectrolyte complex or a complex of impurities and the polyelectrolyte.