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| Patents for C12P 25 - Preparation of compounds containing alloxazine or isoalloxazine nucleus, e.g. riboflavin (321) |
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| 01/22/1991 | WO1991001320A1 Method for recovery of riboflavin | | 01/22/1991 | CA2064044A1 Method for recovery of riboflavin | | 01/02/1991 | EP0405370A1 Riboflavinoverproducing strains of bacteria | | 06/26/1990 | US4937342 Intermediates for synthesizing BH4 and its derivatives | | 11/15/1989 | EP0341755A1 Process for preparation of riboflavin | | 10/25/1989 | EP0338596A1 Process for the preparation of riboflavin | | 10/18/1989 | EP0337502A1 Process for the preparation of riboflavin | | 06/07/1989 | EP0318926A2 Intermediates for synthesizing 5,6,7,8-tetrahydro-L-erythro-biopterin and its derivatives | | 12/27/1988 | US4794081 Process for the preparation of riboflavin | | 12/15/1988 | WO1988009822A1 Riboflavin producing strains of microorganisms, method for selecting, and method for fermentation | | 08/12/1987 | EP0231605A2 Riboflavin production with yeast | | 08/05/1987 | CN86108637A Efficient riboflavin production with yeast | | 02/25/1987 | EP0211289A1 Process for preparation of riboflavin | | 08/05/1986 | US4604356 Purification of flavin adenine dinucleotide synthetase | | 07/03/1985 | EP0146871A2 Purification of flavin adenine dinucleotide synthetase | | 06/26/1985 | EP0146265A2 Process for producing a compound from its precursor using an enzymatic activity of bacterium | | 04/17/1985 | EP0137226A2 Process for the preparation of riboflavin | | 01/15/1980 | CA1069872A1 Materials for the separation of organic substances from solution | | 08/21/1979 | US4165250 Riboflavin purification | | 03/13/1979 | US4144373 Materials for the separation of organic substances from solution | | 03/09/1976 | US3943038 Method for producing amino acids by culturing hydrogen-oxidizing bacteria |
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