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. 23, 1992
Filed:
Nov. 05, 1990
Applicant:
Inventors:
Assignee:
Labofina, S.A., Feluy, BE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ; C07K / ;
U.S. Cl.
CPC ...
435 711 ; 435183 ; 435206 ; 530424 ;
Abstract
The invention relates to a process for releasing into aqueous medium polypeptides produced by yeasts and localized at least partially within the periplasmic space thereof without breaking the yeast cell. The process involves treating the yeasts in aqueous medium with a neutral water-soluble mineral salt and a non-ionic water-soluble polyethoxylated alkylphenol surfactant having an HLB of between 8 and 15.