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. 04, 1999
Filed:
Jun. 04, 1996
Jun Hiraki, Yokohama, JP;
Eriko Suzuki, Yokohama, JP;
Chisso Corporation, Osaka, JP;
Abstract
An effective process for producing .epsilon.-poly-L-lysine is provided, which process comprises cultivating a microorganism having .epsilon.-poly-L-lysine productivity, such as a bacterium belonging to the Streptomyces genus, in the form of immobilized bacterial cells under aerobic conditions, and according to which process, the bacterial cells cause no bacteriolysis; the immobilized bacterial cells retaining .epsilon.-poly-L-lysine productivity can be easily separated and recovered from the culture solution containing .epsilon.-poly-L-lysine; and semi-continuous or continuous production of .epsilon.-poly-L-lysine by the use of the immobilized bacterial cells is possible.