公开(公告)号：US3799949A

公开(公告)日：1974-03-26

申请号：US20284271

申请日：1971-11-29

Applicant: DEGUSSA

Inventor： WEIGERT W ,  SCHREYER G ,  TANNER H ,  LUSSLING T ,  NOLL E ,  KELLER R ,  KRUGER M

IPC: C07D301/14 ,  C07D1/16

CPC classification number: C07D301/14

Abstract: ALLYL CHLORIDE IN EXCESS IS EPOXIDIZED WITH A SOLUTION OF PERPOROPIONIC ACID OR PERBUTYRIC ACID TO FORM EPICHLORHYDRIN. THE EXCESS ALLYL CHLORIDE AND EPICHLORHYDRIN FORMED ARE SEPARATED BY DISTILLATION.

公开(公告)号：US3799979A

公开(公告)日：1974-03-26

申请号：US25667672

申请日：1972-05-25

Applicant: DEGUSSA

Inventor： HENSEL J ,  LUSSLING T ,  SCHREYER G ,  WEIGERT W ,  NOLL E ,  SCHAEFER H

IPC: B01J23/30 ,  B01J23/887 ,  B01J27/199 ,  C07C51/25 ,  C07C51/20 ,  C07C57/04

CPC classification number: B01J23/002 ,  B01J23/30 ,  B01J23/8876 ,  B01J27/199 ,  B01J2523/00 ,  C07C51/252 ,  C07C57/04 ,  B01J2523/53 ,  B01J2523/55 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/3737 ,  B01J2523/54 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

Abstract: ALPHA BETA UNSATURATED CARBOXYLIC ACIDS ARE PRODUCED BY CATALYTCALLY OXU IDIZING ALKENES WITH OXYGEN, SUITABLY IN THE PRESENCE OF STEAM, ON A MIXED CATALYST BED CONSISTING OF A MIXTURE AND/OR COMPOUND OF OXIDES OF ANTIMONY, MOLYBDENUM, VANADIUM, AND TUNGSTEN AND IN A GIVEN CASE ONE OR MORE OXIDES OF LEAD SILVER COPPER TIN TITANIUM BISMUTH AND/OR OXYGEN CONTAINING COMPOUNDS OF THESE ELEMENTS AS THE FIRST CATALYST AND A MIXTURE AND OR COMPOUNDS OF OXIDES OF NICKEL, COBALT IRON BISMUTH PHOSPHORUS, MOLYBDENUM AND IN A GIVEN CASE SAMARIUM OR TANTALUM AND/OR OXYGEN CONTAINING COMPOUNDS OF THESE ELEMENTS AS SECOND CATALYSTS. THE CATALYSTS CAN INCLUDE CARRIERS.

公开(公告)号：US3799948A

公开(公告)日：1974-03-26

申请号：US14370271

申请日：1971-05-13

Applicant: DEGUSSA

Inventor： KRUGER M ,  NOLL E ,  WEIGERT W ,  SCHREYER G ,  TANNER H

IPC: C07D301/14 ,  C07C1/16

CPC classification number: C07D301/14

Abstract: PROCESS FOR RECOVERING PURE CARBOXYLIC ACID FREE EPICHLORHYDRIN FROM THE REACTION MIXTURES CONTAINING THE SAME AND WHICH HAS BEEN OBTAINED IN REACTING ALLYLCHLORIDE WITH PERCARBOXYLIC ACID WHICH COMPRISES EXTRACTING THE REACTION MIXTURE WITH GLYCEROL OR A SATURATED DIOL WHOSE BOILING POINT IS HIGHER THAN THAT OF THE CARBOXYLIC ACID FORMED FROM THE PERCARBOXYLIC ACID AND THEREAFTER SEPARATELY WORKING UP THE EXTRACT AND THE CARBOXYLIC ACID FREE REACTION MIXTURE TO RECOVER THE CARBOXYLIC ACID AND EPICHLOROHYDRIN.

公开(公告)号：US3773692A

公开(公告)日：1973-11-20

申请号：US3773692D

申请日：1971-10-12

Applicant: DEGUSSA

Inventor： HENSEL J ,  LUSSLING T ,  NOLL E ,  SCHAEFER H ,  WEIGERT W

IPC: B01J23/30 ,  B01J23/68 ,  B01J23/84 ,  B01J23/888 ,  B01J37/02 ,  C07C51/25 ,  C07C57/055 ,  B01J11/06 ,  B01J11/20 ,  B01J11/22

CPC classification number: B01J23/8885 ,  B01J23/30 ,  B01J23/687 ,  B01J23/84 ,  B01J37/0236 ,  C07C51/252 ,  C07C57/04

Abstract: Catalyst for the oxidation of an Alpha , Beta -unsaturated aldehyde to an Alpha , Beta -unsaturated carboxylic acid, said catalyst comprising (A) a mixture of oxides of the elements antimony, molybdenum, vanadium and tungsten and/or compounds of said elements and oxygen, and (B) at least one oxide or oxygen containing compound of the elements lead, silver, copper, tin, titanium or bismuth, said catalyst having an atomic ratio of antimony to molybdenum to vanadium to tungsten to Group (B) elements of about 1 - 60 : 12 : 0.5 - 25 : 0.1 - 12 : 0.1 - 12. Processes for the use and preparation of the catalysts are provided.

公开(公告)号：US3761424A

公开(公告)日：1973-09-25

申请号：US3761424D

申请日：1971-10-08

Applicant: DEGUSSA

Inventor： KOBERSTEIN E ,  LUSSLING T ,  NOLL E ,  SUCHSLAND H ,  WEIGERT W

IPC: B01J23/887 ,  B01J27/192 ,  C07C45/34 ,  C07C45/35 ,  B01J11/82

CPC classification number: C07C45/34 ,  B01J23/8876 ,  B01J27/192 ,  B01J2523/00 ,  C07C45/35 ,  C07C47/22 ,  B01J2523/51 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847 ,  B01J2523/3737 ,  B01J2523/57 ,  B01J2523/41

Abstract: A CATALYST FOR THE OXIDATION OF ALKENES TO UNSTURATED ALDEHYDES AND CARBOXYLIC ACIDS CONTAINING NI, CO, FE, BI, P, MO AND O IS IMPROVED BY ADDING TATALUM OXIDE OR SAMARIUM OXIDE AND EMPLOYING AS A CARRIER A MIXTURE OF LATTICE ALYER SILICATE AND HIGHLY DISPERSED SILICA.