Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2007-03-01
2010-10-12
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
07812198
ABSTRACT:
The present invention relates to a process for the manufacture of a composition containing at least one xanthophyll selected from the group consisting of lutein and zeaxanthin, said process comprising the steps of providing an extract of Marigold flower containing the xanthophyll(s) in esterified form; saponifying the Marigold flower extract and isolating the xanthophyll(s). The process according to the invention is characterized in that the step of saponifying the Marigold flower extract is carried out in the presence of a quaternary ammonium base.
REFERENCES:
patent: 3891504 (1975-06-01), Schocher et al.
patent: 4211577 (1980-07-01), Wallin
patent: 4302200 (1981-11-01), Yokoyama et al.
patent: 4921475 (1990-05-01), Sibalis
patent: 5008110 (1991-04-01), Benecke et al.
patent: 5087240 (1992-02-01), Sibalis
patent: 5088977 (1992-02-01), Sibalis
patent: 5163899 (1992-11-01), Sibalis
patent: 5164189 (1992-11-01), Farhadieh et al.
patent: 5200186 (1993-04-01), Gabetta et al.
patent: 5254346 (1993-10-01), Tucker et al.
patent: 5290561 (1994-03-01), Farhadieh et al.
patent: 5336168 (1994-08-01), Sibalis
patent: 5352213 (1994-10-01), Woodard
patent: 5382714 (1995-01-01), Khachik
patent: 5407713 (1995-04-01), Wilfong et al.
patent: 5523494 (1996-06-01), Torres-Cardona et al.
patent: 5648564 (1997-07-01), Ausich et al.
patent: 5780693 (1998-07-01), Bernhard et al.
patent: 5817354 (1998-10-01), Mozaffar et al.
patent: 5912363 (1999-06-01), Nafisi-Movaghar et al.
patent: 6221417 (2001-04-01), Sas et al.
patent: 6262284 (2001-07-01), Khachik
patent: 6313169 (2001-11-01), Bowen et al.
patent: 6329557 (2001-12-01), Rodriguez et al.
patent: 6380442 (2002-04-01), Modhavi et al.
patent: 6504067 (2003-01-01), Montoya-Olivera et al.
patent: 2002/0018821 (2002-02-01), Soulier et al.
patent: 2004/0044085 (2004-03-01), Kumar et al.
patent: 2005/0038271 (2005-02-01), Khachik
patent: 2005/0182280 (2005-08-01), Bhaskaran et al.
patent: 198 18 563 (1998-04-01), None
patent: 1 325 943 (2003-07-01), None
patent: 2003/238442 (2003-08-01), None
patent: WO 98/45241 (1998-10-01), None
patent: WO 2006/002735 (2006-01-01), None
International Search Report PCT/AT2007/000104 (2 pgs.).
Davis Brian J
Fulbright & Jaworski
OMNICA GmbH
Rothenberger Scott D.
LandOfFree
Process for the manufacture of a composition containing at... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the manufacture of a composition containing at..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of a composition containing at... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4156180