Separation of conjugated linoleic acids by azeotropic distillation
    1.
    发明授权
    Separation of conjugated linoleic acids by azeotropic distillation 失效
    通过共沸蒸馏分离共轭亚油酸

    公开(公告)号:US6019874A

    公开(公告)日:2000-02-01

    申请号:US232902

    申请日:1999-01-19

    申请人: Lloyd Berg Terry Brix

    发明人: Lloyd Berg Terry Brix

    IPC分类号: C07C51/46 B01D3/36

    CPC分类号: C07C51/46

    摘要: Conjugated linoleic acids cannot be separated by distillation or rectification because of the closness of their boiling points. Conjugated linoleic acids can be separated by azeotropic distillation. Effective agents are butyraldehyde, butyl ether and 1-methyl-2-pyrrolidinone.

    摘要翻译: 由于沸点接近,共轭亚油酸不能通过蒸馏或精馏分离。 共轭亚油酸可以通过共沸蒸馏分离。 有效剂是丁醛,丁醚和1-甲基-2-吡咯烷酮。

    Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by
extractive distillation
    2.
    发明授权
    Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by extractive distillation 失效
    通过萃取蒸馏从1,2,3-三甲基苯中分离1,2,4-三甲基苯

    公开(公告)号:US5972172A

    公开(公告)日:1999-10-26

    申请号:US771520

    申请日:1996-12-23

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C7/08 B01D3/40

    CPC分类号: C07C7/08

    摘要: 1,2,4-Trimethylbenzene is difficult to separate from 1,2,3-trimethylbenzene by conventional distillation or rectification because of the proximity of their boiling points. 1,2,4-trimethylbenzene can be readily separated from 1,2,3-trimethylbenzene by extractive distillation. Effective agents are 3-nitrotoluene, m-cresol and sulfolane.

    摘要翻译: 由于沸点接近,常规蒸馏或精馏,1,2,4-三甲基苯难以与1,2,3-三甲基苯分离。 1,2,4-三甲基苯可以通过萃取蒸馏容易地从1,2,3-三甲基苯中分离出来。 有效剂为3-硝基甲苯,间甲酚和环丁砜。

    Method for separating 2-butanol from t-amyl alcohol using certain
organic compounds as the agent in extractive distillation
    3.
    发明授权
    Method for separating 2-butanol from t-amyl alcohol using certain organic compounds as the agent in extractive distillation 失效
    在萃取蒸馏中使用某些有机化合物作为试剂从叔戊醇中分离2-丁醇的方法

    公开(公告)号:US5879517A

    公开(公告)日:1999-03-09

    申请号:US93641

    申请日:1998-06-09

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/84 B01D3/40

    CPC分类号: C07C29/84

    摘要: 2-Butanol cannot be sparated from t-amyl alcohol by distillation or rectification because of the closeness of their boiling points. 2-Butanol is readily separated from t-amyl alcohol by extractive distillation. Effective agents are butyl ether, benzyl acetate and 1,2,4-trimethyl benzene.

    摘要翻译: 由于沸点接近,2-丁醇不能通过蒸馏或精馏从叔戊醇中分离出来。 2-丁醇通过萃取蒸馏容易地从叔戊醇中分离出来。 有效剂是丁醚,乙酸苄酯和1,2,4-三甲基苯。

    Separation of 4-methyl-2-pentanol from 3-methyl-1-butanol by extractive
distillation
    4.
    发明授权
    Separation of 4-methyl-2-pentanol from 3-methyl-1-butanol by extractive distillation 失效
    通过萃取蒸馏从3-甲基-1-丁醇中分离4-甲基-2-戊醇

    公开(公告)号:US5851362A

    公开(公告)日:1998-12-22

    申请号:US863668

    申请日:1997-05-27

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/84 B01D3/40

    CPC分类号: C07C29/84

    摘要: 4-Methyl-2-pentanol cannot be separated from 3-methyl-1-butanol by distillation because of the closeness of their boiling points. 4-Methyl-2-pentanol can be easily separated from 3-methyl-1-butanol by extractive distillation. Effective agents are dodecane, dimethylformamide and dimethylsulfoxide.

    摘要翻译: 4-甲基-2-戊醇不能通过蒸馏与3-甲基-1-丁醇分离,因为它们的沸点接近。 通过萃取蒸馏可以容易地将4-甲基-2-戊醇与3-甲基-1-丁醇分离。 有效剂为十二烷,二甲基甲酰胺和二甲基亚砜。

    Separation of 2-butanol from isobutanol by extractive distillation
    5.
    发明授权
    Separation of 2-butanol from isobutanol by extractive distillation 失效
    通过萃取蒸馏从异丁醇中分离出2-丁醇

    公开(公告)号:US5795447A

    公开(公告)日:1998-08-18

    申请号:US917448

    申请日:1997-08-22

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/84 B01D3/40

    CPC分类号: C07C29/84

    摘要: 2-Butanol cannot be separated from isobutanol by distillation or rectification because of the closeness of their boiling points. 2-Butanol is readily separated from isobutanol by extractive distillation. Effective agents are propylene glycol propyl ether, 2-methoxyethanol and ethyl acetate.

    摘要翻译: 由于其沸点接近,因此通过蒸馏或精馏,2-丁醇不能与异丁醇分离。 2-丁醇通过萃取蒸馏容易地从异丁醇中分离出来。 有效剂是丙二醇丙醚,2-甲氧基乙醇和乙酸乙酯。

    Separation of 4-methyl-2-pentanol from 3-methyl-1-butanol by azeotropic
distillation
    6.
    发明授权
    Separation of 4-methyl-2-pentanol from 3-methyl-1-butanol by azeotropic distillation 失效
    通过共沸蒸馏从3-甲基-1-丁醇中分离4-甲基-2-戊醇

    公开(公告)号:US5776322A

    公开(公告)日:1998-07-07

    申请号:US859436

    申请日:1997-05-20

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/82 B01D3/36 C07C29/84

    CPC分类号: C07C29/82

    摘要: 4-Methyl-2-pentanol cannot be separated from 3-methyl-1-butanol by distillation because of the closeness of their boiling points. 4-Methyl-2-pentanol can be easily separated from 3-methyl-1-butanol by azeotropic distillation. Effective agents are m-xylene and cumene.

    摘要翻译: 4-甲基-2-戊醇不能通过蒸馏与3-甲基-1-丁醇分离,因为它们的沸点接近。 通过共沸蒸馏可以容易地将4-甲基-2-戊醇与3-甲基-1-丁醇分离。 有效剂是间二甲苯和枯烯。

    Separation of 1-propanol from t-amyl alcohol by extractive distillation
    7.
    发明授权
    Separation of 1-propanol from t-amyl alcohol by extractive distillation 失效
    通过萃取蒸馏从叔戊醇中分离出1-丙醇

    公开(公告)号:US5772853A

    公开(公告)日:1998-06-30

    申请号:US971290

    申请日:1997-11-17

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/84 B01D3/40

    CPC分类号: C07C29/84

    摘要: 1-Propanol and t-amyl alcohol cannot be separated by distillation or rectification because of the closeness of their boiling points. 1-Propanol is readily separated from t-amyl alcohol by extractive distillation. Effective agents are dipentene, amyl acetate and 1,4-dioxane.

    摘要翻译: 1-丙醇和叔戊醇不能通过蒸馏或精馏而分离,因为它们的沸点接近。 通过萃取蒸馏,1-丙醇容易与叔戊醇分离。 有效剂是二戊烯,乙酸戊酯和1,4-二恶烷。

    Separating 3-methyl-1-butanol from 1-pentanol by azeotropic distillation
    8.
    发明授权
    Separating 3-methyl-1-butanol from 1-pentanol by azeotropic distillation 失效
    通过共沸蒸馏从1-戊醇中分离3-甲基-1-丁醇

    公开(公告)号:US5763694A

    公开(公告)日:1998-06-09

    申请号:US892523

    申请日:1997-07-14

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/82 C07C27/30

    CPC分类号: C07C29/82

    摘要: 3-Methyl-1-butanol cannot be separated from 1-pentanol by distillation or rectification because of the closeness of their boiling points. 3-Methyl-1-butanol is readily separated from 1-pentanol by azeotropic distillation. Effective agents are methylcyclohexane, methyl formate and tetrahydrofuran.

    摘要翻译: 由于其沸点接近,因此通过蒸馏或精馏,3-甲基-1-丁醇不能与1-戊醇分离。 3-甲基-1-丁醇通过共沸蒸馏容易地从1-戊醇中分离出来。 有效剂是甲基环己烷,甲酸甲酯和四氢呋喃。

    Separation of ethanol, isopropanol and water mixtures by azeotropic
distillation
    9.
    发明授权
    Separation of ethanol, isopropanol and water mixtures by azeotropic distillation 失效
    通过共沸蒸馏分离乙醇,异丙醇和水混合物

    公开(公告)号:US5762765A

    公开(公告)日:1998-06-09

    申请号:US837101

    申请日:1997-04-14

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/82 B01D3/36 C07C29/84

    CPC分类号: C07C29/82

    摘要: Ethanol, isopropanol and water cannot be separated from each other by rectification because of the presence of minimum azeotropes. They are readily separated by azeotropic distillation. Effective agents are cyclopentane for ethanol from water, methyl acetate for isopropanol from water.

    摘要翻译: 由于存在最小的共沸物,乙醇,异丙醇和水不能通过精馏彼此分离。 它们易于通过共沸蒸馏分离。 有效试剂为环戊烷,用于乙醇从水中,乙酸甲酯为水中的异丙醇。

    Separation of 2-methyl-1-propanol from 2-butanol by extractive
distillation
    10.
    发明授权
    Separation of 2-methyl-1-propanol from 2-butanol by extractive distillation 失效
    通过萃取蒸馏从2-丁醇中分离2-甲基-1-丙醇

    公开(公告)号:US5723025A

    公开(公告)日:1998-03-03

    申请号:US715909

    申请日:1996-09-19

    申请人: Lloyd Berg

    发明人: Lloyd Berg

    IPC分类号: C07C29/84 B01D3/40

    CPC分类号: C07C29/84

    摘要: 2-Methyl-1-propanol is difficult to separate from 2-butanol by conventional distillation or rectification because of the proximity of their boiling points. 2-Methyl-1-propanol can be readily separated from 2-butanol by extractive distillation. Effective agents are hexyl acetate, dimethyl phthalate and p-xylene.

    摘要翻译: 由于它们的沸点接近,常规蒸馏或精馏,2-甲基-1-丙醇难以与2-丁醇分离。 通过萃取蒸馏可以容易地将2-甲基-1-丙醇与2-丁醇分离。 有效剂是乙酸己酯,邻苯二甲酸二甲酯和对二甲苯。