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公开(公告)号：US09115155B1
公开(公告)日：2015-08-25
申请号：US14220264
申请日：2014-03-20
Applicant: Eastman Chemical Company
Inventor： Matthew Allen Boone , Robert Thomas Hembre
CPC classification number: C07F7/1896 , C07C29/09 , C07C29/172 , C07C29/46 , C07C41/09 , C07C41/20 , C07C41/30 , C07C67/08 , C07C67/283 , C07C67/293 , C07C2601/14 , C07C2601/16 , C07F7/1872 , C07C69/16 , C07C33/14 , C07C31/276
Abstract: The invention is directed to a process for preparing a 1,4-disubstituted cyclohexane compound of formula (I): where A is —OH, —OR, Br, or Cl; and R is a silyl group, a hydrocarbyl group, or an acyl group having 1 to 12 carbon atoms. The process includes the steps of reacting ethylene with a (2E,4E)-hexa-2,4-diene compound to produce a 3,6-disubstituted cyclohex-1-ene compound, and hydrogenating the 3,6-disubstituted cyclohex-1-ene compound to yield the 1,4-disubstituted cyclohexane compound of formula (I).
Abstract translation: 本发明涉及制备式（I）的1,4-二取代的环己烷化合物的方法：其中A是-OH，-OR，Br或Cl; R为甲硅烷基，烃基或碳原子数为1〜12的酰基。 该方法包括使乙烯与（2E，4E） - 六-2,4-二烯化合物反应以产生3,6-二取代的环己-1-烯化合物，并将3,6-二取代的环己-1- 烯化合物，得到式（I）的1,4-二取代的环己烷化合物。
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公开(公告)号：US11851392B2
公开(公告)日：2023-12-26
申请号：US17290901
申请日：2019-10-31
Applicant: EASTMAN CHEMICAL COMPANY
Inventor： Robert Jacks Sharpe , Scott Donald Barnicki , Manik Lal Saha , Kenneth Wayne Hampton, Jr. , Damon Ray Billodeaux , Robert Thomas Hembre
Abstract: An efficient process useful for the self-condensation of aliphatic aldehydes is provided, catalyzed by dialkylammonium carboxylate salts. In particular, the invention provides a facile method for the preparation of 2-ethyl hexenal via the self-condensation of butyraldehyde using various dialkylammonium carboxylates, e.g., diisopropylammonium acetate or dimethylammonium acetate, as catalyst. Additionally, residual nitrogen arising from the catalyst can be reduced to −100 ppm levels in the product via a simple washing procedure. The invention provides a process for preparing alkenals under conditions which limit the formation of undesired impurities and high-boiling oligomeric substances.
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公开(公告)号：US11111257B2
公开(公告)日：2021-09-07
申请号：US16409522
申请日：2019-05-10
Applicant: Eastman Chemical Company
Inventor： Jürgen Klankermayer , Stefan Westhues , Walter Leitner , Robert Thomas Hembre
Abstract: A compound by the name 1,1,1-tris(di(3,5-dimethoxyphenyl)phosphino-methyl)ethane. The compound can be represented by the structure of formula (I): The compound is useful as a ligand for ruthenium to form an organometallic complex. The complex is an active catalyst for the hydrogenolysis of amides to form amines and optionally alcohols.
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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
Applicant: Eastman Chemical Company
Inventor： Sumit Chakraborty , Steven J. Adams , Robert Thomas Hembre , Scott Donald Barnicki , David Alan Jenkins
Abstract: 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
Applicant: Eastman Chemical Company
Inventor： Scott Donald Barnicki , Robert Thomas Hembre , Sumit Chakraborty , Vickie Haygood Osborne , Michael Richard Laningham , Stijn Van de Vyver
Abstract: 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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Patent Agency Ranking
16.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
Applicant: Eastman Chemical Company
Inventor： Scott Donald Barnicki , Frederick Ignatz-Hoover , Robert Thomas Hembre , Andrew Neil Smith , Henk Kreulen , Aruna M. Velamakanni
IPC: C08K3/30 , C08J3/24 , C08K5/36 , C01B17/02 , C01B17/06 , C08C19/20 , C08K3/06 , C08K5/47 , C08K3/011
Abstract: 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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公开(公告)号：US10174129B2
公开(公告)日：2019-01-08
申请号：US15425058
申请日：2017-02-06
Applicant: EASTMAN CHEMICAL COMPANY
Inventor： Charles Michael Buchanan , Norma Lindsey Buchanan , Robert Thomas Hembre , Juanelle Little Lambert , Michael Eugene Donelson , Maryna Grigorievna Gorbunova , Thauming Kuo , Bin Wang
IPC: C08B3/16 , C08L1/14 , G02B1/14 , C08J5/18 , C08B1/00 , C08B3/28 , C07D233/54 , G02B5/30 , G02B1/10
Abstract: This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.
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18.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
Applicant: Eastman Chemical Company
Inventor： Scott Donald Barnicki , Frederick lgnatz-Hoover , Robert Thomas Hembre , Andrew Neil Smith , Henk Kreulen
CPC classification number: C08C19/20 , C01B17/02 , C01B17/0232 , C01B17/06 , C08K3/011 , C08K3/06 , C08K3/30 , C08K5/47 , C08K9/12 , C08K2201/003 , C08L21/00
Abstract: 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
Applicant: Eastman Chemical Company
Inventor： 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: C07C29/14 , C07C29/50 , C07C45/62 , C07C51/00 , C07C29/80 , C07C45/82 , C07C51/44 , B01J23/755 , B01J23/883 , B01J23/887
CPC classification number: 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
Abstract: 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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20.发明授权公开(公告)号：US09616358B2
公开(公告)日：2017-04-11
申请号：US14973817
申请日：2015-12-18
Applicant: Eastman Chemical Company
CPC classification number: B01D11/0492 , C07C51/44 , C07C51/48 , C07F9/301 , C07F9/5407 , Y02P20/542 , C07C53/08 , C07C53/02 , C07C53/122 , C07C53/124 , C07C57/04
Abstract: 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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