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:
Oct. 13, 1998
Filed:
Dec. 04, 1996
Applicant:
Inventors:
Pierre Nicolas, Saint-Legier, CH;
Eric Raetz, Lausanne, CH;
Sylviane Reymond, Epalinges, CH;
Jean-Luc Sauvageat, Morges, CH;
Assignee:
Nestec S.A., Vevey, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
426 49 ; 426 52 ; 426597 ;
Abstract
Tannase covalently immobilized by its glycoside part on an insoluble support. Process for the preparation of a tea extract, in which an aqueous extract of tea leaves is prepared, and the extract is treated at a temperature of 20-65.degree. C. with tannases whose glycoside part is covalently immobilized on an insoluble support, in particular in a tank which contains immobilized tannases in suspension, or in a reactor which includes a fixed bed or a fluidized bed of immobilized tannases.