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. 02, 1998
Filed:
Jun. 10, 1996
Applicant:
Inventor:
Mark Fitchmun, San Diego, CA (US);
Assignee:
Desmos, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C12N / ;
U.S. Cl.
CPC ...
530350 ; 530414 ; 530416 ; 530417 ; 530418 ; 530427 ; 4352401 ; 4352402 ; 43524021 ; 435240243 ;
Abstract
A method for purifying soluble laminin 5 from conditioned cell culture medium. A nonionic or anionic detergent is added to conditioned medium to a final concentration of between 0.1% and 1.0%. The conditioned medium is purified by cation exchange chromatography and anion exchange chromatography, yielding laminin 5 of at least about 70% purity.