公开(公告)号：DE3916320A1

公开(公告)日：1990-11-22

申请号：DE3916320

申请日：1989-05-19

Applicant: BASF AG

Inventor： FUCHS HUGO DR ,  NEUBAUER GERALD DR ,  RITZ JOSEF DR ,  WEISS FRANZ-JOSEF DR

IPC: C01B21/14

Abstract: The crystalline hydroxylammonium sulphate having a low ammonium sulphate content is prepared by bringing an aqueous solution containing 0.02 to 0.3 part by weight of ammonium sulphate and 0.02 to 0.2 part by weight of sulphuric acid per part by weight of hydroxylammonium sulphate into contact with basic ion exchangers to give a solution having a pH of 3.0 to 4.0, concentration of the aqueous hydroxylammonium sulphate solution thus obtained and crystallisation of at most 70 % by weight of the hydroxylammonium sulphate contained in the aqueous solution.

公开(公告)号：DE3735054A1

公开(公告)日：1989-04-27

申请号：DE3735054

申请日：1987-10-16

Applicant: BASF AG

Inventor： NEUBAUER GERALD DR ,  DECKER EMILE DE ,  FUCHS HUGO DR ,  HOLZKNECHT BERNHARD DR ,  RITZ JOSEF DR

IPC: C07D201/16

Abstract: Caprolactam is recovered from caprolactam distillation low boilers or high boilers or mixtures thereof by the following steps: (a) crystallizing a low or high boiler or a mixture thereof to form purified capro-lactam crystals and a mother liquor, (b) separating off the purified caprolactam crystals to leave a mother liquor, (c) recycling from 5 to 90% by weight of the mother liquor of stage (b) into stage (a) and transferring the remainder of the mother liquor into the subsequent stage (d), (d) crystallizing the remaining mother liquor portion from stage (c) to form caprolactam crystals and a mother liquor, separating off the caprolactam crystals of stage (e) (d) and recycling the same into stage (a) to leave a mother liquor, (f) recycling from 20 to 99% by weight of mother liquor of stage (e) into stage (d) and channeling out the remainder of the impurity-containing mother liquor of stage (e).

公开(公告)号：DE3700336A1

公开(公告)日：1988-07-21

申请号：DE3700336

申请日：1987-01-08

Applicant: BASF AG

Inventor： NEUBAUER GERALD DR ,  SCHNABEL ROLF DR ,  RITZ JOSEF DR ,  HARTIG JUERGEN DR

IPC: C07C29/132 ,  C07C29/88 ,  C07C35/08 ,  C07C29/50 ,  C07C49/403

Abstract: A further embodiment of the method for processing reaction mixtures which contain cyclohexyl hydrogen peroxide which have been obtained by oxidising cyclohexane using molecular oxygen, or gases containing molecular oxygen, in the liquid phase at a temperature of 130 to 200@C under a pressure of 5 to 125 bar, by reacting cycloolefins at elevated temperature in the presence of catalysts, cyclohexyl hydrogen peroxide being reacted with cyclohexene at elevated temperature in the presence of compounds of transition metals of group 4 to 6 of the Periodic Table which are soluble in cyclohexane, then hydrogenating the cyclohexene oxide formed in a manner known per se in the presence of hydrogenation catalysts at elevated temperature to give cyclohexanol in accordance with Patent ... (Patent Application P 3636056.2), characterised in that the reaction of cyclohexyl hydrogen peroxide with cyclohexene is carried out in the presence of at least one cyclohexane-insoluble compound of a transition metal of group 4 to 6, selenium, tellurium or a boride.

公开(公告)号：DE3608495A1

公开(公告)日：1987-09-17

申请号：DE3608495

申请日：1986-03-14

Applicant: BASF AG

Inventor： FUCHS HUGO DR ,  NEUBAUER GERALD DR ,  RITZ JOSEF DR ,  THOMAS ERWIN ,  WEISS FRANZ-JOSEF DR

IPC: C01B21/14

公开(公告)号：DE3403377A1

公开(公告)日：1985-08-01

申请号：DE3403377

申请日：1984-02-01

Applicant: BASF AG

Inventor： FRANK GERHARD DR ,  NEUBAUER GERALD DR ,  DUFFNER PAUL DR ,  WILFINGER HANS JOERG DR

IPC: B01J27/18 ,  B01J23/16 ,  B01J23/70 ,  B01J23/74 ,  B01J23/75 ,  B01J23/755 ,  B01J23/78 ,  B01J23/84 ,  B01J23/889 ,  B01J27/185 ,  B01J33/00 ,  B01J37/00 ,  B01J37/03 ,  C07B61/00 ,  C07C67/00 ,  C07C209/00 ,  C07C209/48 ,  C07C211/02 ,  B01J35/02 ,  B01J23/76 ,  B01J27/16 ,  C07C87/14 ,  C07C85/12

Abstract: Molded catalyst materials contain metallic cobalt and/or nickel particles and a lubricant, the said particles being obtained by reduction of cobalt oxide and/or nickel oxide particles containing less than 0.1% by weight of alkali metal oxides and/or alkaline earth metal oxides at

公开(公告)号：DE3403376A1

公开(公告)日：1985-08-01

申请号：DE3403376

申请日：1984-02-01

Applicant: BASF AG

Inventor： FRANK GERHARD DR ,  NEUBAUER GERALD DR ,  DUFFNER PAUL DR ,  WILFINGER HANS JOERG DR

IPC: C07B61/00 ,  B01J23/00 ,  B01J23/74 ,  B01J23/84 ,  B01J23/86 ,  B01J23/889 ,  C07C67/00 ,  C07C209/00 ,  C07C209/48 ,  C07C87/14 ,  C07C85/12

公开(公告)号：CH412852A

公开(公告)日：1966-05-15

申请号：CH149662

申请日：1962-02-07

Applicant: BASF AG

Inventor： AMANN AUGUST DR ,  JENTZSCH WOLFGANG DR ,  NEUBAUER GERALD DR

IPC: C05F17/00 ,  C07C271/06 ,  C07C275/60 ,  C07D279/30 ,  C07D295/205 ,  C07D295/28 ,  C07C125/06

公开(公告)号：DE59205802D1

公开(公告)日：1996-05-02

申请号：DE59205802

申请日：1992-01-22

Applicant: BASF AG

Inventor： AGAR DAVID DR ,  BEVER PAUL-MICHAEL DR ,  SCHUSTER HANS H DR ,  NEUBAUER GERALD DR

IPC: B01J31/34 ,  B01J31/36 ,  B01J31/38 ,  C07B61/00 ,  C07C27/12 ,  C07C29/50 ,  C07C35/08 ,  C07C45/33 ,  C07C49/403 ,  C07C409/14 ,  C07D301/06 ,  C07D301/19 ,  C07D301/22 ,  C07D303/04

Abstract: Preparation of cyclohexene oxide as well as cyclohexanol and cyclohexanon, in which …… a) cyclohexane is oxidised with a gas containing molecular oxygen, with the formation of cyclohexyl hydroperoxide, cyclohexanol and cyclohexanone, … b) the mixture of a) and c) are separated together by distillation, … c) the cyclohexyl hydroperoxide fraction from b) is reacted with cyclohexene in the presence of transition metal compounds from groups 4 to 6, with the formation of cyclohexene oxide, and the product is separated into b). …

公开(公告)号：ES2084196T3

公开(公告)日：1996-05-01

申请号：ES92100957

申请日：1992-01-22

Applicant: BASF AG

Inventor： AGAR DAVID DR ,  BEVER PAUL-MICHAEL DR ,  SCHUSTER HANS H DR ,  NEUBAUER GERALD DR

IPC: B01J31/34 ,  B01J31/36 ,  B01J31/38 ,  C07B61/00 ,  C07C27/12 ,  C07C29/50 ,  C07C35/08 ,  C07C45/33 ,  C07C49/403 ,  C07C409/14 ,  C07D301/06 ,  C07D301/19 ,  C07D301/22 ,  C07D303/04

Abstract: Preparation of cyclohexene oxide as well as cyclohexanol and cyclohexanon, in which …… a) cyclohexane is oxidised with a gas containing molecular oxygen, with the formation of cyclohexyl hydroperoxide, cyclohexanol and cyclohexanone, … b) the mixture of a) and c) are separated together by distillation, … c) the cyclohexyl hydroperoxide fraction from b) is reacted with cyclohexene in the presence of transition metal compounds from groups 4 to 6, with the formation of cyclohexene oxide, and the product is separated into b). …

公开(公告)号：DE3887434D1

公开(公告)日：1994-03-10

申请号：DE3887434

申请日：1988-10-11

Applicant: BASF AG

Inventor： NEUBAUER GERALD DR ,  DE DECKER EMILE ,  FUCHS HUGO DR ,  HOLZKNECHT BERNHARD DR ,  RITZ JOSEF DR

IPC: C07D201/16

Abstract: Caprolactam is recovered from caprolactam distillation low boilers or high boilers or mixtures thereof by the following steps: (a) crystallizing a low or high boiler or a mixture thereof to form purified capro-lactam crystals and a mother liquor, (b) separating off the purified caprolactam crystals to leave a mother liquor, (c) recycling from 5 to 90% by weight of the mother liquor of stage (b) into stage (a) and transferring the remainder of the mother liquor into the subsequent stage (d), (d) crystallizing the remaining mother liquor portion from stage (c) to form caprolactam crystals and a mother liquor, separating off the caprolactam crystals of stage (e) (d) and recycling the same into stage (a) to leave a mother liquor, (f) recycling from 20 to 99% by weight of mother liquor of stage (e) into stage (d) and channeling out the remainder of the impurity-containing mother liquor of stage (e).