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    161.
    发明专利
    未知

    公开(公告)号：AT191463T

    公开(公告)日：2000-04-15

    申请号：AT95941718

    申请日：1995-12-16

    Applicant: BASF AG

    Inventor： MELDER JOHANN-PETER ,  SCHNURR WERNER ,  FLICK KLEMENS ,  EBEL KLAUS ,  WITZEL TOM ,  FISCHER ROLF ,  HARDER WOLFGANG ,  REHFINGER ALWIN

    IPC: B01J23/89 ,  B01J23/76 ,  B01J23/889 ,  B01J27/18 ,  B01J37/02 ,  C07B61/00 ,  C07C253/30 ,  C07C255/24

    Abstract: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal. with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.

    162.
    发明专利
    未知

    公开(公告)号：BR9711726A

    公开(公告)日：1999-08-24

    申请号：BR9711726

    申请日：1997-08-21

    Applicant: BASF AG

    Inventor： FLICK KLEMENS ,  FISCHER ROLF ,  EBEL KLAUS ,  SCHNURR WERNER ,  VOIT GUIDO

    IPC: B01J23/75 ,  B01J23/74 ,  B01J23/76 ,  B01J25/00 ,  C07B61/00 ,  C07C253/30 ,  C07C255/24 ,  C07C255/25

    Abstract: PCT No. PCT/EP97/04547 Sec. 371 Date Jan. 7, 1999 Sec. 102(e) Date Jan. 7, 1999 PCT Filed Aug. 21, 1997 PCT Pub. No. WO98/11058 PCT Pub. Date Mar. 19, 1998A catalyst suitable for preparing aliphatic alpha, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles comprises (a) metallic cobalt, a cobalt compound or a mixture thereof, the proportion of metallic cobalt based on (a) being from 20 to 100% by weight, (b) from 10 to 70% by weight, based on (a), of metallic iron, iron oxide, a further iron compound or a mixture thereof, the proportion of iron oxide based on (b) being from 20 to 100% by weight, (c) from 0 to 1% by weight, based on (a), of a compound based on an alkali metal, an alkaline earth metal or zinc.

    163.
    发明专利
    未知

    公开(公告)号：AT181548T

    公开(公告)日：1999-07-15

    申请号：AT95941717

    申请日：1995-12-16

    Applicant: BASF AG

    Inventor： SCHNURR WERNER ,  FISCHER ROLF ,  BASSLER PETER ,  HARDER WOLFGANG

    IPC: C07B61/00 ,  C07C253/30 ,  C07C255/24

    Abstract: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a base and of a hydrogenation catalyst, by carrying out the hydrogenation in the presence of ammonia and lithium hydroxide or of a compound which gives lithium hydroxide during the hydrogenation.

    PROCESS FOR PREPARING 5-AMINOCAPRONITRILE OR MIXTURES OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE
    165.
    发明专利
    PROCESS FOR PREPARING 5-AMINOCAPRONITRILE OR MIXTURES OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE 未知

    公开(公告)号：CZ23899A3

    公开(公告)日：1999-04-14

    申请号：CZ23899

    申请日：1997-07-23

    Applicant: BASF AG

    Inventor： FISCHER ROLF ,  PACIELLO ROCCO ,  ROPER MICHAEL ,  SCHNURR WERNER

    IPC: B01J31/18 ,  B01J31/24 ,  C07C209/26 ,  C07C253/30 ,  C07C255/24 ,  C07F9/6574

    Abstract: PCT No. PCT/EP97/03988 Sec. 371 Date Feb. 1, 1999 Sec. 102(e) Date Feb. 1, 1999 PCT Filed Jul. 23, 1997 PCT Pub. No. WO98/05632 PCT Pub. Date Feb. 12, 1998Manufacture of 6-aminocapronitrile or 6-aminocapronitrile/hexamethylene diamine mixtures, involving a) the reaction of at least one pentennitrile, selected from the group consisting of 2,3 and 4-pentennitrile with carbon monoxide and hydrogen in the presence of catalysts, which contain at least one element of the eighth subgroup as active components, obtaining a hydrogenation formylating discharge (I), b) the optional separation of carbon monoxide, hydrogen and the catalyst from the hydrogenation formylating discharge (I), obtaining a hydrogenation formylating discharge (II), c) the separation of 5-formyl valeronitrile from the hydrogenation formylating discharge (I) or (II), d) the reaction of separated 5-formyl valeronitrile with ammonia and hydrogen in the presence of hydrogenating catalysts, selected from the group consisting of rhenium, copper and its compounds as well as metals and metallic compounds of the eighth group, obtaining a hydrogenation discharge, and e) obtaining 6-aminocapronitrile and if necessary hexamethylene diamine.

    167.
    发明专利
    未知

    公开(公告)号：DE59504745D1

    公开(公告)日：1999-02-18

    申请号：DE59504745

    申请日：1995-05-31

    Applicant: BASF AG

    Inventor： SCHNURR WERNER ,  FISCHER ROLF ,  WULFF-DOERING JOACHIM ,  IRGANG MATTHIAS ,  NEUHAUSER HORST

    IPC: C07D307/12 ,  B01J23/34 ,  C07D309/04 ,  C07D309/06

    Abstract: PCT No. PCT/EP95/02071 Sec. 371 Date Feb. 20, 1997 Sec. 102(e) Date Feb. 20, 1997 PCT Filed May 31, 1995 PCT Pub. No. WO95/33741 PCT Pub. Date Dec. 14, 1995Preparation of heterocyclic aldehydes I (I) (A, B=optionally substituted methylene groups; +E,uns m+EE , +E,uns n+EE =1 to 5; +E,uns m+EE ++E,uns n+EE >2), by hydrogenation of carboxylic acids IIa (IIa) or one of their esters IIb derived from a C1-C10 alcohol, at a temperature of from 200 DEG to 450 DEG C. over a catalyst. The end products are suitable as intermediates for herbicides of the cyclohexanone class.

    169.
    发明专利
    未知

    公开(公告)号：TR199802030T2

    公开(公告)日：1999-01-18

    申请号：TR9802030

    申请日：1997-04-04

    Applicant: BASF AG

    Inventor： SCHNURR WERNER ,  VOIT GUIDE ,  FLICK KLEMENS ,  MELDER JOHANN-PETER ,  HARDER WOLFGANG ,  FISCHER ROLF

    IPC: C07B61/00 ,  C07C209/48 ,  C07C211/12 ,  C07C253/30 ,  B01J25/02 ,  C07C255/24

    Abstract: A process for the coproduction of 6-aminocapronitrile (ACN) and hexamethylenediamine (HMD) by treatment of adiponitrile (ADN) with hydrogen in the presence of a nickel-containing catalyst at temperatures not below room temperature and elevated hydrogen partial pressure in the presence or absence of a solvent comprises, after the conversion based on ADN and/or the selectivity based on ACN has or have dropped below a defined value (a) interrupting the treatment of ADN with hydrogen by stopping the feed of ADN and of the solvent, if used, (b) treating the catalyst at from 150 DEG to 400 DEG C. with hydrogen using a hydrogen pressure within the range from 0.1 to 30 MPa and a treatment time within the range from 2 to 48 h, and (c) then continuing the hydrogenation of ADN with the treated catalyst of stage (b).

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