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    Method of producing alkane sulfonic acid.
    41.
    发明专利
    Method of producing alkane sulfonic acid. 未知

    公开(公告)号：ZA200104256B

    公开(公告)日：2002-05-24

    申请号：ZA200104256

    申请日：2001-05-24

    Applicant: BASF AG

    Inventor： EIERMANN MATTHIAS ,  TRAGUT CHRISTIAN ,  EBEL KLAUS

    IPC: C07C303/16 ,  C07C309/04 ,  C07C

    Abstract: The invention relates to a process for the prepartaion of alkanesulfonic acids, comprising the following steps:(a) oxidation of alkylmercaptans and/or dialkyl disulfides and/or dialkyl polysulfides having from three to nine sulfur atoms with nitric acid to form alkanesulfonic acids, water, nitrogen oxides and other byproducts,(b) regeneration of the nitrogen oxides obtained from step (a) with oxygen to give nitric acid and recycling of the nitric acid to step (a),where steps (a) and (b) are carried out in reaction chambers separate from one another.

    METHOD OF PRODUCING ALKANE SULFONIC ACID
    42.
    发明专利
    METHOD OF PRODUCING ALKANE SULFONIC ACID 未知

    公开(公告)号：PL347973A1

    公开(公告)日：2002-05-06

    申请号：PL34797399

    申请日：1999-11-22

    Applicant: BASF AG

    Inventor： EIERMANN MATTHIAS ,  TRAGUT CHRISTIAN ,  EBEL KLAUS

    IPC: C07C303/16 ,  C07C309/04

    Abstract: The invention relates to a process for the prepartaion of alkanesulfonic acids, comprising the following steps:(a) oxidation of alkylmercaptans and/or dialkyl disulfides and/or dialkyl polysulfides having from three to nine sulfur atoms with nitric acid to form alkanesulfonic acids, water, nitrogen oxides and other byproducts,(b) regeneration of the nitrogen oxides obtained from step (a) with oxygen to give nitric acid and recycling of the nitric acid to step (a),where steps (a) and (b) are carried out in reaction chambers separate from one another.

    METHOD OF PRODUCING ALKANE SULFONIC ACID
    43.
    发明专利
    METHOD OF PRODUCING ALKANE SULFONIC ACID 未知

    公开(公告)号：HU0104484A2

    公开(公告)日：2002-03-28

    申请号：HU0104484

    申请日：1999-11-22

    Applicant: BASF AG

    Inventor： EBEL KLAUS ,  EIERMANN MATTHIAS ,  TRAGUT CHRISTIAN

    IPC: C07C303/16 ,  C07C309/04

    Abstract: The invention relates to a process for the prepartaion of alkanesulfonic acids, comprising the following steps:(a) oxidation of alkylmercaptans and/or dialkyl disulfides and/or dialkyl polysulfides having from three to nine sulfur atoms with nitric acid to form alkanesulfonic acids, water, nitrogen oxides and other byproducts,(b) regeneration of the nitrogen oxides obtained from step (a) with oxygen to give nitric acid and recycling of the nitric acid to step (a),where steps (a) and (b) are carried out in reaction chambers separate from one another.

    45.
    发明专利
    未知

    公开(公告)号：ID29243A

    公开(公告)日：2001-08-16

    申请号：ID20011393

    申请日：1999-11-25

    Applicant: BASF AG

    Inventor： HESSE WERNER ,  HANS-JOSEF-STERZEL ,  TRAGUT CHRISTIAN

    IPC: C07B61/00 ,  C07C303/16 ,  C07C319/12 ,  C07C319/24 ,  C07C321/14

    Abstract: The invention relates to a process for the preparation of organic disulfides by oxidation of mercaptans with sulfur dissolved in an organic disulfide using an amine as catalyst, where the mercaptans are used as "crude mercaptan stream" from a reaction of alcohols with hydrogen sulfide over a catalyst suitable for mercaptan synthesis. Furthermore, the invention relates to the use of the organic disulfides for the preparation of alkanesulfonic acids.

    Method of producing organic disulfides
    50.
    发明专利
    Method of producing organic disulfides 未知

    公开(公告)号：IN727CH2001A

    公开(公告)日：2005-09-16

    申请号：IN727CH2001

    申请日：2001-05-25

    Applicant: BASF AG

    Inventor： HESSE WERNER ,  STERZEL HANS-JOSEF ,  TRAGUT CHRISTIAN

    IPC: C07B61/00 ,  C07C303/16 ,  C07C319/12 ,  C07C319/24 ,  C07C321/14

    Abstract: The invention relates to a process for the preparation of organic disulfides by oxidation of mercaptans with sulfur dissolved in an organic disulfide using an amine as catalyst, where the mercaptans are used as "crude mercaptan stream" from a reaction of alcohols with hydrogen sulfide over a catalyst suitable for mercaptan synthesis. Furthermore, the invention relates to the use of the organic disulfides for the preparation of alkanesulfonic acids.

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