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1. 发明授权

US09045781B2 Process for the production of optically-active esters of lactic acid and lactyllactic acid 有权
标题翻译：制备乳酸和乳酸乳酸的光学活性酯的方法
公开(公告)号：US09045781B2
公开(公告)日：2015-06-02
申请号：US14232296
申请日：2012-07-16
申请人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
发明人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
IPC分类号： C12P33/04 , C12P7/62 , C12P41/00 , C12P7/56 , C12P17/06
CPC分类号： C12P7/62 , C12P7/56 , C12P17/06 , C12P41/003
摘要： A process for treating a mixture of R,R- and S,S-lactide is provided. The process involves contacting the mixture with an aliphatic alcohol and an enzyme in the presence of a ketone solvent to produce a mixture comprising aliphatic ester of lactic acid corresponding to one lactide enantiomer, and the aliphatic ester of lactyllactic acid corresponding to the other lactide enantiomer. Also provided are processes for the production of S-lactic acid, S,S-lactide, poly-S-lactic acid, R-lactic acid, R,R-lactide, poly-R-lactic acid and stereocomplex polylactic acid.
摘要翻译：提供了一种用于处理R，R-和S，S-丙交酯的混合物的方法。该方法包括在酮溶剂存在下使混合物与脂族醇和酶接触，以产生对应于一种丙交酯对映异构体的乳酸脂族酯和对应于其它丙交酯对映异构体的乳糖乳酸脂族酯的混合物。还提供了用于生产S-乳酸，S，S-丙交酯，聚S-乳酸，R-乳酸，R，R-丙交酯，聚R-乳酸和立体络合物聚乳酸的方法。

2. 发明申请

US20170029532A1 BIOMASS PROCESSING METHOD 审中-公开
标题翻译：生物量处理方法
公开(公告)号：US20170029532A1
公开(公告)日：2017-02-02
申请号：US15302376
申请日：2015-04-09
申请人： PLAXICA LIMITED
发明人： URVISH RAMESHCHANDRA PANDYA
IPC分类号： C08B37/00
CPC分类号： C08B37/0057 , C07C51/00 , C07C67/08 , C13K13/002 , C07C59/08 , C07C69/14
摘要： A process for the production of hemicellulose derived monosaccharides comprising: (a) contacting an aqueous hemicellulosic stream with a C3-8 alkyl alcohol at elevated temperature and acidic pH to produce a reaction mixture comprising at C3-8 alkyl ester and a hemicellulose-derived monosaccharide; and (b) separating the reaction mixture obtained from step (a) into an aqueous phase comprising said hemicellulose-derived monosaccharide and an organic phase comprising said C3-08 alkyl ester. The product of step (b) may be further processed using an optional step: (c) reacting said hemicellulose-derived monosaccharide obtained from step (b) with a metal hydroxide or a quaternary ammonium hydroxide to produce a metal lactate or quaternary ammonium lactate.
摘要翻译：一种生产半纤维素衍生的单糖的方法，包括：（a）在升高的温度和酸性pH下使含水的半纤维素流与C 3-8烷基醇接触，以产生包含C 3-8烷基酯和半纤维素衍生的单糖的反应混合物 ; 和（b）将从步骤（a）获得的反应混合物分离成包含所述半纤维素衍生的单糖和包含所述C 3-8烷基酯的有机相的水相。可以使用任选的步骤进一步处理步骤（b）的产物：（c）将由步骤（b）获得的所述半纤维素衍生的单糖与金属氢氧化物或氢氧化季铵反应，制备乳酸金属盐或季铵盐。

3. 发明授权

US09604895B2 Lactate production process 有权
公开(公告)号：US09604895B2
公开(公告)日：2017-03-28
申请号：US14912372
申请日：2014-09-05
申请人： PLAXICA LIMITED
发明人： Stephen Donegan , Philip James Goodier , Edward Leslie Marshall , Urvish Rameshchandra Pandya , Ajitkumar Mukundrai Patel
IPC分类号： C07C59/08 , C07C51/02 , C01B7/03 , C07C67/08 , C07C51/295 , C07C51/41 , C01D1/04 , C01D3/04 , A61K35/744 , A01N63/02
CPC分类号： C07C51/02 , A01N63/02 , A61K35/744 , C01B7/03 , C01D1/04 , C01D3/04 , C07C51/295 , C07C51/41 , C07C59/08 , C07C67/08 , C07C69/68
摘要： A process for producing lactic acid is provided. The process comprises (a) reacting a stream rich in saccharide with sodium hydroxide in the presence of water to produce a reaction mixture comprising sodium lactate; (b) reacting at least a portion of the sodium lactate with HCl to produce lactic acid and sodium chloride; (c) converting at least a portion of the sodium chloride to chlorine and sodium hydroxide; and (d) recycling at least a portion of the sodium hydroxide produced in step (c) to step (a). Also provided are processes for the production of alkyl lactate, oligomeric lactic acid, lactide, alkyl lactyllactate, poly-lactic acid, propylene glycol and acrylic acid.

4. 发明授权

US09045783B2 Process for the production of optically-active esters of lactic acid and lactyllactic acid 有权
标题翻译：制备乳酸和乳酸乳酸的光学活性酯的方法
公开(公告)号：US09045783B2
公开(公告)日：2015-06-02
申请号：US14232426
申请日：2012-07-16
申请人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
发明人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
IPC分类号： C12P33/04 , C12P7/62 , C12P41/00 , C12P7/56 , C12P17/06
CPC分类号： C12P7/62 , C12P7/56 , C12P17/06 , C12P41/003
摘要： A process for treating a mixture of R,R- and S,S-lactide is provided. The process involves contacting the lactide mixture with an aliphatic alcohol and/or an alkoxide to produce a mixture of R,R- and S,S-aliphatic ester of lactyllactic acid, subsequently contacting the mixture of R,R- and S,S-aliphatic ester of lactyllactic acid with an enzyme to produce a mixture comprising aliphatic ester of lactic acid corresponding to one lactide enantiomer and the aliphatic ester of lactyllactic acid corresponding to the other lactide enantiomer, and recovering the product. Also provided are processes for the production of S-lactic acid, S,S-lactide, poly-S-lactic acid, R-lactic acid, R,R-lactide, poly-R-lactic acid and stereocomplex polylactic acid.
摘要翻译：提供了一种用于处理R，R-和S，S-丙交酯的混合物的方法。该方法包括使丙交酯混合物与脂族醇和/或醇盐接触以产生乳糖基乳酸的R，R-和S，S-脂族酯的混合物，随后将R，R-和S的混合物S- 将乳酸乳酸的脂肪族酯与酶反应，生成包含对应于一种丙交酯对映异构体的乳酸脂肪酸酯和对应于其它丙交酯对映异构体的乳糖乳酸脂肪酸酯的混合物，并回收该产物。还提供了用于生产S-乳酸，S，S-丙交酯，聚S-乳酸，R-乳酸，R，R-丙交酯，聚R-乳酸和立体络合物聚乳酸的方法。

5. 发明授权

US09045782B2 Process for the production of optically-active esters of lactic acid and lactyllactic acid 有权
标题翻译：制备乳酸和乳酸乳酸的光学活性酯的方法
公开(公告)号：US09045782B2
公开(公告)日：2015-06-02
申请号：US14232365
申请日：2012-07-16
申请人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
发明人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei-Tutu , Stephen Alexander Calder Smith
IPC分类号： C12P41/00 , C12P7/62 , C12P7/56 , C12P17/06
CPC分类号： C12P7/62 , C12P7/56 , C12P17/06 , C12P41/003
摘要： A process for treating a mixture of R,R- and S,S-lactide is provided. The process involves contacting the mixture with an aliphatic alcohol and an enzyme to produce a mixture comprising aliphatic ester of lactic acid corresponding to one lactide enantiomer and the aliphatic ester of lactyllactic acid corresponding to the other lactide enantiomer; separating the mixture from the enzyme, and recycling the enzyme to the process; and separating the aliphatic ester of lactic acid from the aliphatic ester of lactyl-lactic acid by fractional distillation. Also provided are processes for the production of S-lactic acid, S,S-lactide, poly-S-lactic acid, R-lactic acid, R,R-lactide, poly-R-lactic acid and stereocomplex polylactic acid.
摘要翻译：提供了一种用于处理R，R-和S，S-丙交酯的混合物的方法。该方法包括使混合物与脂族醇和酶接触以产生包含对应于一种丙交酯对映异构体的乳酸脂肪酸酯和对应于其它丙交酯对映异构体的乳糖乳酸脂族酯的混合物; 从酶分离混合物，并将酶再循环至该方法; 并通过分馏从乳酸 - 乳酸的脂肪族酯分离乳酸的脂族酯。还提供了用于生产S-乳酸，S，S-丙交酯，聚S-乳酸，R-乳酸，R，R-丙交酯，聚R-乳酸和立体络合物聚乳酸的方法。

6. 发明申请

US20140141475A1 Separation Process 有权
标题翻译：分离过程
公开(公告)号：US20140141475A1
公开(公告)日：2014-05-22
申请号：US14232296
申请日：2012-08-21
申请人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei Tutu , Stephen Alexander Calder Smith
发明人： Edward Leslie Marshall , Jade Jocelyn Afriye Osei Tutu , Stephen Alexander Calder Smith
IPC分类号： C12P7/62 , C12P7/56 , C12P17/06
CPC分类号： C12P7/62 , C12P7/56 , C12P17/06 , C12P41/003
摘要： A process for treating a mixture of R,R- and S,S-lactide is provided. The process involves contacting the mixture with an aliphatic alcohol and an enzyme in the presence of a ketone solvent to produce a mixture comprising aliphatic ester of lactic acid corresponding to one lactide enantiomer, and the aliphatic ester of lactyllactic acid corresponding to the other lactide enantiomer. Also provided are processes for the production of S-lactic acid, S,S-lactide, poly-S-lactic acid, R-lactic acid, R,R-lactide, poly-R-lactic acid and stereocomplex polylactic acid.
摘要翻译：提供了一种用于处理R，R-和S，S-丙交酯的混合物的方法。该方法包括在酮溶剂存在下使混合物与脂族醇和酶接触，以产生对应于一种丙交酯对映异构体的乳酸脂族酯和对应于其它丙交酯对映异构体的乳糖乳酸脂族酯的混合物。还提供了用于生产S-乳酸，S，S-丙交酯，聚S-乳酸，R-乳酸，R，R-丙交酯，聚R-乳酸和立体络合物聚乳酸的方法。

7. 发明申请

US20130197183A1 Process for Producing a Lactic Acid-Amine Complex 审中-公开
标题翻译：生产乳酸 - 胺复合物的方法
公开(公告)号：US20130197183A1
公开(公告)日：2013-08-01
申请号：US13822437
申请日：2011-10-17
申请人： Edward Leslie Marshall
发明人： Edward Leslie Marshall
IPC分类号： C07C51/00
CPC分类号： C07C51/00 , C07C51/41 , C07C51/412 , C07C51/42 , C07C59/08
摘要： A process for the production of a complex of lactic acid and either ammonia or an amine, comprising reacting one or more saccharides with barium hydroxide to produce a first reaction mixture comprising barium lactate, and contacting at least part of the first reaction mixture with ammonia or an amine and with carbon dioxide, or with the carbonate and/or bicarbonate salt of ammonia or an amine, to produce a second reaction mixture comprising said complex and barium carbonate.
摘要翻译：一种制备乳酸和氨或胺复合物的方法，包括使一种或多种糖与氢氧化钡反应以产生包含乳酸钡的第一反应混合物，并使至少部分第一反应混合物与氨或胺和二氧化碳，或与氨或胺的碳酸盐和/或碳酸氢盐混合，以产生包含所述络合物和碳酸钡的第二反应混合物。

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