-
31.发明申请公开(公告)号：US20190039990A1
公开(公告)日：2019-02-07
申请号：US16043303
申请日：2018-07-24
摘要： Iron-based homogeneous catalysts, supported by pincer ligands, are employed in the catalytic dehydrocoupling of methanol to produce methyl formate and hydrogen. As both methanol and methyl formate are volatile materials, they can be readily separated from the catalyst by applying vacuum at room temperature. The hydrogen by-product of the reaction may be isolated and utilized as a feedstock in other chemical transformations.
-
公开(公告)号：US20190039985A1
公开(公告)日：2019-02-07
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
IPC分类号： C07C51/09
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.
-
公开(公告)号：US20190039984A1
公开(公告)日：2019-02-07
申请号：US16043324
申请日：2018-07-24
发明人： Scott Donald Barnicki , Robert Thomas Hembre , Sumit Chakraborty , Gerald Wayne Ollis , Randy Lynn Jennings , Stijn Van de Vyver
IPC分类号： C07C51/09
摘要： Disclosed is a process for recovering formic acid from a formate ester of a C3 to C4 alcohol. Disclosed is also a process for producing formic acid by carbonylating a C3 to C4 alcohol, hydrolyzing the formate ester of the alcohol, and recovering a formic acid product. The alcohol may be dried and returned to the reactor. The process enables a more energy efficient production of formic acid than the carbonylation of methanol to produce methyl formate.
-
34.发明授权公开(公告)号：US10011663B2
公开(公告)日：2018-07-03
申请号：US15015165
申请日：2016-02-04
发明人： Scott Donald Barnicki , Frederick Ignatz-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.
-
35.发明申请公开(公告)号：US20170321033A1
公开(公告)日：2017-11-09
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
CPC分类号： C08K3/30 , C01B17/02 , C01B17/0232 , C01B17/06 , C08C19/20 , C08J3/24 , C08J2307/00 , C08K3/011 , C08K3/06 , C08K5/36 , C08K5/47 , C08L21/00
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.
-
36.发明申请公开(公告)号：US20170226234A1
公开(公告)日：2017-08-10
申请号：US15015165
申请日：2016-02-04
发明人： Scott Donald Barnicki , Frederick Ignatz-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 , 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.
-
公开(公告)号：US20160229784A1
公开(公告)日：2016-08-11
申请号：US15097731
申请日：2016-04-13
IPC分类号： C07C51/36
CPC分类号： C07C51/36 , C07C2601/14 , C07C61/09 , C07C61/08
摘要： This invention relates to hydrogenation processes for making cyclohexane compounds. More specifically, this invention relates to hydrogenation processes in the presence of tertiary amide solvent compounds, as well as compositions that can result from such processes. The invention thus provides processes for making cyclohexanecarboxylic acid compounds and processes for making hydroxymethylcyclohexane compounds.
-
公开(公告)号：US20160229777A1
公开(公告)日：2016-08-11
申请号：US14618449
申请日：2015-02-10
摘要： A process for purifying an acetyl stream containing an impurity that forms an azeotrope with the acetyl moiety includes the steps of a) contacting an acetyl feed stream comprising: i) acetic acid; and ii) an acetic acid azeotrope-forming compound, with a metal oxide catalyst in a ketonization reactor to produce a crude product mixture from a ketonization reaction comprising acetone, water, the acetic acid azeotrope-forming compound, and byproducts from the ketonization reaction; and b) distilling the crude product mixture to recover: i) a lower boiling fraction stream comprising acetone, and a minor amount of: water, said acetic acid azeotrope-forming compound, and ketonization byproducts, and ii) a higher boiling fraction stream comprising a major amount of: water, the acetic acid azeotrope forming compound, and the ketonization byproducts. Optionally, the process can include contacting the crude product mixture with water in a countercurrent absorber prior to the distilling step (b).
摘要翻译： 用于纯化含有与乙酰基部分形成共沸物的杂质的乙酰基流的方法包括以下步骤：a）使乙酰基进料流接触，包括：i）乙酸; 和ii）乙酸共沸物形成化合物，在酮化反应器中与金属氧化物催化剂一起生成来自包含丙酮，水，形成乙酸的共沸物的化合物和来自酮化反应的副产物的酮化反应的粗产物混合物; 和b）蒸馏粗产物混合物以回收：i）包含丙酮和少量的水的低沸点馏分物流，所述乙酸共沸物形成化合物和酮化副产物，和ii）较高沸点馏分物流，其包含 主要量：水，乙酸共沸物形成化合物，以及酮化副产物。 任选地，该方法可包括在蒸馏步骤（b）之前使粗产物混合物与逆流吸收器中的水接触。
-
公开(公告)号：US09328050B1
公开(公告)日：2016-05-03
申请号：US14581369
申请日：2014-12-23
IPC分类号： C07C51/347
CPC分类号： C07C51/347 , C07C51/367 , C07C65/01
摘要： This invention relates to hydrogenation processes for making hydroxymethylbenzoic acid compounds. More specifically, this invention relates to hydrogenation processes in the presence of tertiary amide solvent compounds, as well as compositions that can result from such processes. The invention thus provides processes for making hydroxymethylbenzoic acid compounds.
摘要翻译： 本发明涉及制备羟甲基苯甲酸化合物的氢化方法。 更具体地，本发明涉及在叔酰胺溶剂化合物存在下的氢化方法，以及可由此类方法产生的组合物。 因此，本发明提供了制备羟甲基苯甲酸化合物的方法。
-
公开(公告)号：US20160075622A1
公开(公告)日：2016-03-17
申请号：US14950503
申请日：2015-11-24
IPC分类号： C07C29/86
CPC分类号： C07C29/86 , B01J31/2409 , B01J2531/0258 , B01J2531/821 , C07C29/149 , C07C29/80 , Y02P20/52 , C07C31/202 , C07C31/205 , C07C31/207
摘要： Disclosed is a process for the purification of a mixed diol stream. The mixed diol stream comprising two-, three-, and four-carbon diols is separated into component diols by extraction with a hydrophobic solvent mixture. The diols recovered in the extractant may be removed from the extractant stream by back extraction with water or by distillation with an azeotrope-forming agent present, preferably an azeotroping agent already present in the extractant mixture.
摘要翻译： 公开了一种纯化混合二醇流的方法。 包含二，三和四碳二醇的混合二醇料流通过用疏水溶剂混合物萃取分离成组分二醇。 在萃取剂中回收的二醇可以通过用水反萃取或用存在的共沸物形成剂，优选已经存在于萃取剂混合物中的共沸剂进行蒸馏，从萃取剂流中除去。
-
-
-
-
-
-
-
-
-
搜索结果
43 条记录 (耗时 0.035 秒)