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:
Jun. 30, 1987
Filed:
Oct. 30, 1985
Applicant:
Inventors:
Leo S Lin, Fremont, CA (US);
Ralph Yamamoto, San Francisco, CA (US);
Assignee:
Cetus Corporation, Emeryville, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530417 ; 530351 ; 530416 ; 435 68 ;
Abstract
An improved method for purifying TNF, especially recombinantly produced TNF in bacteria, is disclosed. The purification employs a hydrophobic support in a chromatographic column which is then developed, preferably by HPLC. Preliminary purifications using anion exchange resins are also helpful.