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公开(公告)号:US20180334694A1
公开(公告)日:2018-11-22
申请号:US15776113
申请日:2016-11-17
发明人: Gernot Jäger , Wolfgang Beckmann , Amgad Salah Moussa , Guenter Olf , Guido Becker , Hasan Akyildiz , Andreas Damm , Thomas Hamedinger , Wolf Kloeckner , Swantje Behnken
IPC分类号: C12P13/00
CPC分类号: C12P13/005 , C12P13/04
摘要: The invention relates to a method for producing aminobenzoic acid or a aminobenzoic acid derivative via the fermentation of a suitable raw material under the influence of suitable microorganisms and obtaining a fermentation broth containing aminobenzoate and/or aminobenzoic acid. In particular, the invention relates to the step of obtaining the aminobenzoic acid from the fermentation broth, wherein the crystallisation of aminobenzoic acid is carried out via a simple one-stage acid treatment in the presence of seed crystals. The aminobenzoic acid crystallised in this simple manner can be easily separated from the mother liquor, further cleaned if necessary, and then supplied to the different applications.
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公开(公告)号:US11155844B2
公开(公告)日:2021-10-26
申请号:US16062706
申请日:2016-12-14
发明人: Gernot Jäger , Amgad Salah Moussa , Simon Klaffl , Thomas Hamedinger , Wolf Kloeckner , Swantje Behnken
摘要: The present invention relates to the production of o-aminobenzoic acid from fermentable substrates using yeast cells.
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公开(公告)号:US10703709B2
公开(公告)日:2020-07-07
申请号:US16311205
申请日:2017-06-27
IPC分类号: C07C209/68 , C07C209/78 , C12P13/00
摘要: The invention relates to a method for producing aniline or products that are obtained by further chemical reaction of aniline (aniline derivatives), involving decarboxylation of aminobenzoic acid, particularly ortho-aminobenzoic acid, in which one portion of the previously formed crude aniline is recirculated in the decarboxylation step. The aminobenzoic acid is obtained enzymatically or chemically, preferably enzymatically.
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公开(公告)号:US11168341B2
公开(公告)日:2021-11-09
申请号:US15776113
申请日:2016-11-17
发明人: Gernot Jäger , Wolfgang Beckmann , Amgad Salah Moussa , Guenter Olf , Guido Becker , Hasan Akyildiz , Andreas Damm , Thomas Hamedinger , Wolf Kloeckner , Swantje Behnken
摘要: The invention relates to a method for producing aminobenzoic acid or a aminobenzoic acid derivative via the fermentation of a suitable raw material under the influence of suitable microorganisms and obtaining a fermentation broth containing aminobenzoate and/or aminobenzoic acid. In particular, the invention relates to the step of obtaining the aminobenzoic acid from the fermentation broth, wherein the crystallisation of aminobenzoic acid is carried out via a simple one-stage acid treatment in the presence of seed crystals. The aminobenzoic acid crystallised in this simple manner can be easily separated from the mother liquor, further cleaned if necessary, and then supplied to the different applications.
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公开(公告)号:US10968466B2
公开(公告)日:2021-04-06
申请号:US16469746
申请日:2017-12-18
IPC分类号: C12P13/00 , C07C209/78 , C07C227/40 , C07C231/02 , C07C245/02 , C08G12/08 , C08G73/02
摘要: The present invention relates to a process for preparing aminobenzoic acid or an aminobenzoic acid conversion product, comprising the steps of: (I) providing an aqueous solution of aminobenzoic acid using a fermentation process; (II) adsorbing aminobenzoic acid; (III) desorbing aminobenzoic acid at a pH in the range from −0.8 to 3.0, preferably −0.5 to 3.0, more preferably 0.1 to 3.0, very preferably 0.5 to 2.5, very exceptionally preferably 1.0 to 2.0; (IV) obtaining the aminobenzoic acid from the desorbate obtained in step (III); (V) optionally further converting the aminobenzoic acid obtained in step (IV) to an aminobenzoic acid conversion product.
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