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:
May. 21, 1997
Applicant:
Inventors:
Ian Noble, Northampton, GB;
Jeffrey Bryn Richards, Northants, GB;
Assignee:
Lipton, Division of Conapco, Inc., Englewood Cliffs, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
426597 ; 426263 ; 426471 ; 426495 ;
Abstract
This invention concerns a method of altering the colour characteristics of a tea composition, including treating a tea infusion that contains cold water soluble tea solids but is substantially free of cold water insoluble tea solids, with an oxidising agent in a reaction vessel at a temperature and pressure in excess of the ambient temperature and pressure.