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:
Mar. 31, 1981
Filed:
Jul. 19, 1979
Applicant:
Inventors:
Tadahiko Ando, Tokyo, JP;
Takehiko Shibata, Tokyo, JP;
Eiji Hayase, Niiza, JP;
Shukuko Ikawa, Wako, JP;
Assignee:
Rikagaku Kenkyusho, Wako, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435199 ; 435172 ;
Abstract
Disclosed is a process for the preparation of deoxyribonucleases (DNases) which comprise culturing a novel transformant belonging to the genus Bacillus, collecting a cell-free extract from cells obtained during a period ranging from the late logarithmic growth phase to the initial stage of the stationary growth phase, and subjecting said cell-free extract to fractionation or separation to obtain two or more DNases each of which possessing different substrate specificity.