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公开(公告)号：US10266466B2
公开(公告)日：2019-04-23
申请号：US16043317
申请日：2018-07-24
发明人： Sumit Chakraborty , Vikram Seshadri , Steven J. Adams , Robert Thomas Hembre , Scott Donald Barnicki
IPC分类号： C07C29/00 , C07F15/00 , B01J31/00 , C07C29/128 , B01J31/24 , C07F15/02 , B01J31/18 , B01J31/20 , C07C29/147 , B01J31/02
摘要： Iron-based homogeneous catalysts, supported by pincer ligands, are employed in the transfer hydrogenation of esters using C2-C12 alcohols as sacrificial hydrogen donors to produce corresponding alcohols from the esters. No external H2 pressure is required. The reaction can be carried out under ambient pressure.
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公开(公告)号：US08779214B2
公开(公告)日：2014-07-15
申请号：US13896706
申请日：2013-05-17
IPC分类号： C07C27/04
CPC分类号： B01J31/2404 , B01J31/24 , B01J31/2409 , B01J31/4053 , B01J2531/0238 , B01J2531/821 , C07C29/149 , C07C29/86 , Y02P20/52 , Y02P20/582 , Y02P20/584 , C07C31/202
摘要： Disclosed is a process for the extractive recovery of a homogeneous ruthenium catalyst from the reaction product of the hydrogenation of glycolic acid, glycolate esters, and/or glycolic acid oligomers with an extractant comprising a hydrophobic solvent and an optional hydrophilic solvent. The ruthenium catalyst, which can include 1,1,1-tris(diaryl- or dialkylphosphinomethyl)alkane ligands, can be recovered from the hydrophobic extract phase by back extraction with a hydrophilic solvent and recycled to a process for the preparation of ethylene glycol by the hydrogenation of glycolic acid and glycolic acid derivatives.
摘要翻译： 公开了从乙醇酸，乙醇酸酯和/或乙醇酸低聚物的氢化与包含疏水性溶剂和任选的亲水性溶剂的萃取剂的反应产物中提取回收均相钌催化剂的方法。 可以通过用亲水溶剂反萃取从疏水萃取相中回收可以包括1,1,1-三（二芳基 - 或二烷基膦基甲基）烷烃配体的钌催化剂，并循环到制备乙二醇的方法中 乙醇酸和乙醇酸衍生物的氢化。
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公开(公告)号：US10577305B1
公开(公告)日：2020-03-03
申请号：US16188930
申请日：2018-11-13
发明人： Sumit Chakraborty , Steven J. Adams , Robert Thomas Hembre , Scott Donald Barnicki , David Alan Jenkins
摘要： A process for making methyl esters in high yields. The process comprises contacting aliphatic or aromatic aldehydes and methanol with a homogeneous dimeric ruthenium catalyst, to catalyze the dehydrogenative coupling between aliphatic or aromatic aldehydes and methanol. The reaction is highly selective (
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公开(公告)号：US10544077B2
公开(公告)日：2020-01-28
申请号：US16043329
申请日：2018-07-24
发明人： Scott Donald Barnicki , Robert Thomas Hembre , Sumit Chakraborty , Vickie Haygood Osborne , Michael Richard Laningham , Stijn Van de Vyver
摘要： Disclosed is a process for recovering formic acid from a formate ester that allows for recovery of a formic acid product comprising greater than 75 wt. % formic acid. Disclosed is also a process for producing formic acid by carbonylating a carrier alcohol, hydrolyzing the formate ester of the carrier alcohol, and recovering a formic acid product comprising greater than 70 wt. % formic acid. Discloses are carrier alcohols that enable more favorable hydrolysis equilibriums and/or distillation sequences.
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5.发明授权公开(公告)号：US10280281B2
公开(公告)日：2019-05-07
申请号：US15659094
申请日：2017-07-25
发明人： Scott Donald Barnicki , Frederick Ignatz-Hoover , Robert Thomas Hembre , Andrew Neil Smith , Henk Kreulen , Aruna M. Velamakanni
IPC分类号： C08K3/30 , C08J3/24 , C08K5/36 , C01B17/02 , C01B17/06 , C08C19/20 , C08K3/06 , C08K5/47 , C08K3/011
摘要： Processes for forming a vulcanizable elastomeric formulation are disclosed. The processes include the steps of mixing an elastomer with a vulcanizing agent to form a vulcanizable elastomeric formulation that includes the vulcanizing agent dispersed in the elastomeric compound, wherein the vulcanizing agent includes a cyclododecasulfur compound. A process for forming a vulcanized elastomeric article is also described.
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6.发明申请公开(公告)号：US20180327516A1
公开(公告)日：2018-11-15
申请号：US15991122
申请日：2018-05-29
发明人： Scott Donald Barnicki , Frederick lgnatz-Hoover , Robert Thomas Hembre , Andrew Neil Smith , Henk Kreulen
CPC分类号： C08C19/20 , C01B17/02 , C01B17/0232 , C01B17/06 , C08K3/011 , C08K3/06 , C08K3/30 , C08K5/47 , C08K9/12 , C08K2201/003 , C08L21/00
摘要： A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
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公开(公告)号：US09988329B1
公开(公告)日：2018-06-05
申请号：US15427691
申请日：2017-02-08
发明人： Mesfin Ejerssa Janka , Robert Thomas Hembre , Scott Donald Barnicki , Robert Scott Huss , Xiaopeng Shan , Stephanie Rollins Testerman , Timothy Alan Upshaw , Dewey Wayne Fuller, Jr.
IPC分类号： C07C29/14 , C07C29/50 , C07C45/62 , C07C51/00 , C07C29/80 , C07C45/82 , C07C51/44 , B01J23/755 , B01J23/883 , B01J23/887
CPC分类号： C07C29/14 , B01J23/755 , B01J23/883 , B01J23/8878 , C07C29/143 , C07C29/80 , C07C45/29 , C07C45/62 , C07C45/74 , C07C45/82 , C07C51/00 , C07C51/44 , C07C49/08 , C07C49/10 , C07C31/125 , C07C47/02 , C07C31/12 , C07C47/21
摘要： A transfer-hydrogenation process for preparing a carbonyl compound and an alcohol compound comprises the steps of (a) contacting a first carbonyl compound with a first alcohol compound in the presence of a transfer-hydrogenation catalyst in a first reaction zone at conditions effective to form a second carbonyl compound from the first alcohol compound and a second alcohol compound from the first carbonyl compound, and (b) removing the second carbonyl compound from the first reaction zone during step (a). The first carbonyl compound is a saturated aldehyde or ketone, or an α,β-unsaturated aldehyde or ketone. The first alcohol compound is a primary or secondary alcohol. The second alcohol compound is α,β-saturated. The transfer-hydrogenation catalyst includes a Group 8 to 11 metal. This process is useful for preparing and higher value alcohols, such as butanol or 2-ethylhexanol, from the corresponding carbonyl compounds by engaging lower alcohol (C2-C4) feedstocks instead of hydrogen (H2).
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公开(公告)号：US09616358B2
公开(公告)日：2017-04-11
申请号：US14973817
申请日：2015-12-18
CPC分类号： B01D11/0492 , C07C51/44 , C07C51/48 , C07F9/301 , C07F9/5407 , Y02P20/542 , C07C53/08 , C07C53/02 , C07C53/122 , C07C53/124 , C07C57/04
摘要： This invention relates to solvents for extracting C1 to C4 carboxylic acids from aqueous streams. More specifically, the extraction solvents include one or more salts composed of a tetraalkylphosphonium cation and a phosphinate anion. The extraction solvents may further include one or more co-solvents as an enhancer. The co-solvents may be selected from higher carboxylic acids, ethers, esters, ketones, aromatic hydrocarbons, chlorinated hydrocarbons, and nitriles. The extraction solvents are useful for extracting aqueous mixtures containing one or more lower carboxylic acids, such as monocarboxylic acids and organofluorine carboxylic acids.
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公开(公告)号：US09611209B1
公开(公告)日：2017-04-04
申请号：US14973826
申请日：2015-12-18
发明人： Jingyi Liu , Silu Wang , Christopher Hardacre , David William Rooney , Robert Thomas Hembre , Scott Donald Barnicki , Chester Wayne Sink
CPC分类号： C07C51/48 , B01D11/0492 , Y02P20/542 , C07C53/08
摘要： This invention relates to solvents for extracting C1 to C4 carboxylic acids from aqueous streams. More specifically, the extraction solvents include one or more salts composed of a phosphonium cation and an arylcarboxylate anion. The extraction solvents may further include one or more non-ionic liquid organic solvents as an enhancer. The extraction solvents are useful for extracting aqueous mixtures containing one or more lower carboxylic acids, such as monocarboxylic acids, alkoxycarboxylic acids, and halogen-containing carboxylic acids.
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10.发明授权Quaternary carboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams 有权用于从水流中提取C1至C4羧酸的季铵化合物组合物公开(公告)号：US09573078B2
公开(公告)日：2017-02-21
申请号：US14973812
申请日：2015-12-18
发明人： Robert Thomas Hembre , Scott Donald Barnicki , Chester Wayne Sink , Christopher Hardacre , Jingyi Liu , Fei Qi
CPC分类号： B01D11/0492 , C07C51/44 , C07C51/48 , C07F9/301 , C07F9/5407 , Y02P20/542 , C07C53/08 , C07C53/02 , C07C53/122 , C07C53/124 , C07C57/04
摘要： This invention relates to solvents for extracting C1 to C4 carboxylic acids from aqueous streams. More specifically, the extraction solvents include one or more salts composed of a tetraalkylphosphonium cation and a carboxylate anion. The extraction solvents may further include one or more non-ionic liquid organic solvents as an enhancer. The extraction solvents are useful for extracting aqueous mixtures containing one or more lower carboxylic acids, such as monocarboxylic acids, alkoxycarboxylic acids, and halogen-containing carboxylic acids.
摘要翻译： 本发明涉及从含水物流中提取C1至C4羧酸的溶剂。 更具体地，提取溶剂包括由四烷基鏻阳离子和羧酸根阴离子组成的一种或多种盐。 提取溶剂可以进一步包括一种或多种非离子液体有机溶剂作为增强剂。 提取溶剂可用于提取含有一种或多种低级羧酸的含水混合物，例如一元羧酸，烷氧基羧酸和含卤素的羧酸。
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