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. 26, 1998
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Joji Takahashi, Tama, JP;
Eiji Kanazawa, Kochi, JP;
Yoshitaka Yamashita, Kochi, JP;
Tomio Kashiwai, Tosa, JP;
Hideo Takenaka, Kochi, JP;
Assignee:
Toyo Denka Kogyo Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 81 ; 502 80 ; 502 83 ; 502 85 ; 502 87 ;
Abstract
A method of preparing an enzyme immobilizing carrier includes the steps of providing a material consisting of kaolin mineral. The material is subject to acid treatment with a strong acid having a pH of 4 or less, and hydrothermal treatment at a temperature of from about 100.degree. C. to about 250.degree. C. The material is dried, thereby producing a porous powder. The porous powder is baked at a temperature of from about 350.degree. C. to about 1000.degree. C., for thereby producing the carrier.