Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2005-05-14
2008-10-21
Eyler, Yvonne (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C562S406000, C502S024000
Reexamination Certificate
active
07439390
ABSTRACT:
The present invention relates to a sequence for the preparation of amino acids, for example alpha-amino acids, in particular methionine, by making use of an amidocarbonylation reaction in the presence of a cobalt carbonyl catalyst and separating the catalyst in the form of a Co(N-amino acid)2compound.
REFERENCES:
patent: 3236597 (1966-02-01), Knap
patent: 3725534 (1973-04-01), Reisch
patent: 3766266 (1973-10-01), Wakamatsu et al.
patent: 3816337 (1974-06-01), Usami et al.
patent: 3855396 (1974-12-01), Kniese et al.
patent: 4334042 (1982-06-01), Matsumoto et al.
patent: 4677224 (1987-06-01), Commeyras et al.
patent: 4699999 (1987-10-01), El-Chahawi et al.
patent: 5097065 (1992-03-01), Lin
patent: 5650537 (1997-07-01), Beller et al.
patent: 5756413 (1998-05-01), Bogdanovic et al.
patent: 5858993 (1999-01-01), Pickart
patent: 5972999 (1999-10-01), Murad
patent: 6130351 (2000-10-01), Stern et al.
patent: 6162753 (2000-12-01), Geissler et al.
patent: 6979468 (2005-12-01), Pollard
patent: 2002/0026076 (2002-02-01), Huthmacher et al.
patent: 2007/0184017 (2007-08-01), Faryniarz et al.
patent: 2007/0203354 (2007-08-01), Ramirez et al.
patent: 2007/0244339 (2007-10-01), Hateley et al.
patent: 2 115 985 (1971-10-01), None
patent: 4415312 (1995-11-01), None
patent: 195 45 641 (1997-06-01), None
patent: 196 29 717 (1998-02-01), None
patent: 0 338 330 (1989-10-01), None
patent: 0 779 102 (1997-06-01), None
patent: 0 919 539 (1999-06-01), None
patent: 1 048 656 (2000-11-01), None
patent: 0 946 298 (2003-07-01), None
patent: 2 591 221 (1987-06-01), None
patent: 62158239 (1987-07-01), None
patent: WO 02/14260 (2002-02-01), None
Buss Dieter
Hateley Martin
Häussner Thomas
Huthmacher Klaus
Weckbecker Christoph
Degussa - AG
Eyler Yvonne
Lao Louisa
Smith , Gambrell & Russell, LLP
LandOfFree
Process for preparing amino acids using the... 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 preparing amino acids using the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing amino acids using the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4005032