CAPROLACTAM OBTAINING METHOD
    51.
    发明专利

    公开(公告)号:PL320506A1

    公开(公告)日:1997-10-13

    申请号:PL32050695

    申请日:1995-11-22

    Applicant: BASF AG

    Abstract: Caprolactam is prepared by cleaving oligomers or polymers containing essentially the repeating unit -[-N(H)-(CH2)5-C(O)-]- in the presence of a catalyst at elevated temperatures by a process in which the cleavage is carried out in the liquid phase in the presence of a heterogeneous catalyst and of an organic solvent.

    53.
    发明专利
    未知

    公开(公告)号:NO972489D0

    公开(公告)日:1997-05-30

    申请号:NO972489

    申请日:1997-05-30

    Applicant: BASF AG

    Abstract: Caprolactam is prepared by cleaving oligomers or polymers containing essentially the repeating unit -[-N(H)-(CH2)5-C(O)-]- in the presence of a catalyst at elevated temperatures by a process in which the cleavage is carried out in the liquid phase in the presence of a heterogeneous catalyst and of an organic solvent.

    54.
    发明专利
    未知

    公开(公告)号:FI965229A

    公开(公告)日:1997-02-27

    申请号:FI965229

    申请日:1996-12-27

    Applicant: BASF AG

    Abstract: Cyclic lactams are prepared by reacting an aminocarboxylic acid compound of the formula I H2N-(CH2)m-COR1 I where R1 is -OH, -O-C1-C12-alkyl or -NR2R3 and R2 and R3, independently of one another, are each hydrogen, C1-C12-alkyl or C5-C8-cycloalkyl and m is an integer from 3 to 12, with water by a process in which the reaction is carried out in the liquid phase using a heterogeneous catalyst.

    55.
    发明专利
    未知

    公开(公告)号:NO965611L

    公开(公告)日:1997-02-24

    申请号:NO965611

    申请日:1996-12-27

    Applicant: BASF AG

    Abstract: Cyclic lactams are prepared by reacting an aminocarboxylic acid compound of the formula I H2N-(CH2)m-COR1 I where R1 is -OH, -O-C1-C12-alkyl or -NR2R3 and R2 and R3, independently of one another, are each hydrogen, C1-C12-alkyl or C5-C8-cycloalkyl and m is an integer from 3 to 12, with water by a process in which the reaction is carried out in the liquid phase using a heterogeneous catalyst.

    Process for producing caprolactam
    56.
    发明专利

    公开(公告)号:AU5814896A

    公开(公告)日:1996-11-29

    申请号:AU5814896

    申请日:1996-05-07

    Applicant: BASF AG

    Abstract: A process for preparing caprolactam by reacting 6-aminocapronitrile with water in the presence of catalysts comprises using a starting mixture of 6-aminocapronitrile and the tetrahydroazepine derivative of the formulaand conducting the reaction in liquid phase in the presence of a heterogeneous catalyst. Also describes a process for preparing said tetrahydroazepine derivative I and its use for preparing caprolactam and polycaprolactam.

    Carboxylic acid derivative preparation process

    公开(公告)号:AU5814696A

    公开(公告)日:1996-11-29

    申请号:AU5814696

    申请日:1996-05-07

    Applicant: BASF AG

    Inventor: FUCHS EBERHARD

    Abstract: PCT No. PCT/EP96/01890 Sec. 371 Date Nov. 10, 1997 Sec. 102(e) Date Nov. 10, 1997 PCT Filed May 7, 1996 PCT Pub. No. WO96/36592 PCT Pub. Date Nov. 21, 1996A process for preparing carboxylic acid derivatives of the formula I where X is OR2 or NH2, R1 is C1-C20-alkyl, Cl-C20-hydroxyalkyl, C3-C12-cycloalkyl, C4-C12-alkylcycloalkyl, C4-C12-cycloalkylalkyl, C5-C20-alkylcycloalkylalkyl, aryl, C7-C20-aralkyl, C7-C20-alkylaryl, a heteroaliphatic or heteroaromatic ring with 5 to 8 carbon atoms and R2 is C1-C20-alkyl, from carbonitriles of the formula IIR1-C 3BOND N(II),where R1 has the abovementioned meanings, and alcohols of the formula IIIR2-OH(III),where R2 has the abovementioned meanings, at from 50 to 300 DEG C. under from 0.1 to 350 bar in the presence of a heterogeneous catalyst, wherein the reaction is carried out in liquid phase.

    THE PREPARATION OF CAPROLACTAM
    58.
    发明专利

    公开(公告)号:CA2218132A1

    公开(公告)日:1996-11-21

    申请号:CA2218132

    申请日:1996-05-07

    Applicant: BASF AG

    Abstract: Production of cyclic lactams by the reaction of amino carboxylic acid nitriles with water, performed in the liquid phase in the presence of heterogeneous catalysts based on titanium dioxide with a rutile content in the range from 0.1 to 95 wt.% and an anatase content in the range from 99.9 to 5 wt.% in relation to the total titanium dioxide content.

    CAPROLACTAM PRODUCING METHOD
    59.
    发明专利

    公开(公告)号:PL314526A1

    公开(公告)日:1996-09-16

    申请号:PL31452694

    申请日:1994-11-15

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP94/03782 Sec. 371 Date May 16, 1996 Sec. 102(e) Date May 16, 1996 PCT Filed Nov. 15, 1994 PCT Pub. No. WO95/14665 PCT Pub. Date Jun. 1, 1995Cyclic lactams are prepared by reacting amino carbonitriles with water in liquid phase in a fixed bed reactor in the presence of heterogeneous catalysts which have no soluble constituents under the reaction conditions.

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