Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing a carotene nucleus
Reexamination Certificate
2007-08-07
2007-08-07
Lilling, Herbert J. (Department: 1657)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound containing a carotene nucleus
Reexamination Certificate
active
10469190
ABSTRACT:
The invention consists of fermenting selected strains ofBlakeslea trisporain conditions such that β-carotene is produced in the form of stabilized preparations with residual contents of other carotenoids (γ-carotene and β-zeacarotene). The fermentation conditions chosen include the programmed addition of oxygen and/or β-ionone during fermentation, and control of the age of the vegetative growth phases of the strains employed. The β-carotene obtained can be used in the pharmaceutical and food sectors.
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patent: 5328845 (1994-07-01), Finkelstein et al.
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patent: 5643719 (1997-07-01), Cerda-Olmedo et al.
patent: 2004/0067550 (2004-04-01), Costa Perez et al.
Barredo Fuente José Luis
Cabri Walter
Costa Perez Javier
De La Fuente Moreno Juan Luis
Diez Garcia Bruno
Antibioticos, S.A.U.
Ladas & Parry LLP
Lilling Herbert J.
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