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. 25, 1982
Filed:
Aug. 13, 1980
Applicant:
Inventor:
Thomas P Izod, Holliston, MA (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ; A23F / ;
U.S. Cl.
CPC ...
426422 ; 423328 ; 544274 ;
Abstract
Caffeine is selectively adsorbed from aqueous solutions such as coffee and tea by contact with a particular form of zeolites created by high temperature rigorous steaming of a low sodium form of zeolite Y.
Izod, Thomas. (1982). Removal of caffeine by selective adsorption using zeolite adsorbents (U.S. Patent No. 4331694). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4331694
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile