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:
Feb. 27, 1990
Filed:
Mar. 09, 1987
Applicant:
Inventors:
Assignee:
Allelix Inc., Mississauga, CA;
Primary Examiner:
Int. Cl.
CPC ...
A23F / ; A23F / ;
U.S. Cl.
CPC ...
536103 ; 426594 ;
Abstract
Methylxanthines such as caffeine are removed from aqueous solution by contact with cyclodextrin. A decaffeination process using selected cyclodextrin species is particularly disclosed.
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Yu, Ernest. (1990). Process for extracting methylxanthines from aqueous solutions containing (U.S. Patent No. 4904773). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4904773
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