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:
Sep. 07, 2009
Filed:
Jun. 09, 2005
Applicant:
Frederick Khachik, Rockville, MD (US);
Inventor:
Frederick Khachik, Rockville, MD (US);
Assignee:
The Catholic University of America, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 35/08 (2005.12); C07C 35/18 (2005.12);
U.S. Cl.
CPC ...
Abstract
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in cancer prevention trials and as a safe and effective color additive for human food.