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:
Jan. 11, 2000
Filed:
Mar. 25, 1997
Applicant:
Inventors:
Tohru Kouda, Kawasaki, JP;
Yasuhisa Nagata, Yokohama, JP;
Hisato Yano, Kawasaki, JP;
Fumihiro Yoshinaga, Kawasaki, JP;
Assignee:
Bio-Polymer Research Co., Ltd., Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C08B / ;
U.S. Cl.
CPC ...
435101 ; 536 56 ; 536126 ;
Abstract
A method for the production of a bacterial cellulose by cultivating a cellulose-producing bacteria for at least a certain period of time under such an apparatus condition that an oxygen-transfer coefficient (K.sub.L a) is about 25 to about 50/hr, said K.sub.L a is determined by using a simulated suspension containing 2% by weight of BC and having a plastic viscosity of 15 to 20 poise.