-
公开(公告)号：CA2159548A1
公开(公告)日：1996-03-31
申请号：CA2159548
申请日：1995-09-29
Applicant: HOECHST AG
Inventor： NEUBER MARITA , ROSCHER GUENTER
IPC: B01J29/064 , B01J29/06 , B01J29/10 , B01J29/20 , B01J29/42 , B01J29/66 , B01J29/72 , B01J29/90 , C07C17/358 , C07C23/10 , B01J29/04
Abstract: The present invention relates to catalysts which comprise zeolites and oxides or salts of elements of main groups 2 and 3 of the Periodic Table and display improved regenerability, and the use thereof for reacting halogenated aromatic compounds.
-
公开(公告)号：CA2117735A1
公开(公告)日：1995-04-09
申请号：CA2117735
申请日：1994-10-07
Applicant: HOECHST AG
Inventor： NEUBER MARITA , LEUPOLD ERNST I , LITTERER HEINZ , BARTELS GUENTER , KANSCHIK-CONRADSEN ANDREAS
Abstract: of the disclosure: Process for preparing 1-bromo-3,5-difluorobenzene Process for preparing 1-bromo-3,5-difluorobenzene, which comprises isomerizing 1-bromo-2,4-difluorobenzene or a mixture of 1-bromo-2,4-difluorobenzene and 1-bromo-2,6-difluorobenzene over acid zeolites of the pentasil type.
-
公开(公告)号：CA2191652A1
公开(公告)日：1997-06-02
申请号：CA2191652
申请日：1996-11-29
Applicant: HOECHST AG
Inventor： NEUBER MARITA , SCHACH THOMAS , PAPENFUHS THEODOR , PFIRMANN RALF , ROSCHER GUENTER
IPC: B01J27/122 , C07B61/00 , C07C17/093 , C07C17/35 , C07C25/13
Abstract: The invention relates to a process for preparing 1-bromo-3,5-difluorobenzene, which comprises converting 3,5-difluoroaniline into its diazonium salt and then reacting the diazonium salt with HBr in the presence of CuBr.
-
公开(公告)号：AT127772T
公开(公告)日：1995-09-15
申请号：AT91918140
申请日：1991-10-15
Applicant: HOECHST AG
Inventor： NEUBER MARITA , DETTMEIER UDO , LEUPOLD ERNST INGO
Abstract: Process for the production of isopropyl naphthaline by the alkylation of naphthaline with the aid of catalysts in which EU-1-zeolites are used as catalysts.
-
Patent Agency Ranking
公开(公告)号：CA2020364A1
公开(公告)日：1991-01-06
申请号：CA2020364
申请日：1990-07-04
Applicant: HOECHST AG
Inventor： NEUBER MARITA , LEUPOLD ERNST I
IPC: B01J29/40 , C07B61/00 , C07C17/00 , C07C17/358 , C07C25/22
Abstract: HOE 89/F 213 of the disclosure: Process for the preparation of 2-chloro- or 2-bromonaphthalene Process for the preparation of 2-chloro- or 2-bromonaph-thalene by isomerizing 1-chloro- or 1-bromonaphthalene over a zeolite as a catalyst which, in the anhydrous and template-free form, has the general formula (A) Z ? Al2O3 ? x SiO2 (A) in which Z denotes M?O, MIIO or (MIII)2O3, in which MI represents an alkali metal atom or ammonium or a hydrogen atom, MII represents an alkaline earth metal atom and MIII represents a rare earth metal of atomic number 57 to 71 in the Periodic Table of the Elements, and x denotes a number from 4 to 4,000, with the proviso that if Z represents M?O, at least some of the alkali metal atoms are replaced by hydrogen atoms, ammonium and/or the other metal atoms mentioned.
-
公开(公告)号：DK0555253T3
公开(公告)日：1996-01-22
申请号：DK91918140
申请日：1991-10-15
Applicant: HOECHST AG
Inventor： LEUPOLD ERNST INGO , DETTMEIER UDO , NEUBER MARITA
Abstract: Process for the production of isopropyl naphthaline by the alkylation of naphthaline with the aid of catalysts in which EU-1-zeolites are used as catalysts.
-
公开(公告)号：ES2079679T3
公开(公告)日：1996-01-16
申请号：ES91918140
申请日：1991-10-15
Applicant: HOECHST AG
Inventor： NEUBER MARITA , DETTMEIER UDO , LEUPOLD ERNST INGO
Abstract: Process for the production of isopropyl naphthaline by the alkylation of naphthaline with the aid of catalysts in which EU-1-zeolites are used as catalysts.
-
公开(公告)号：DE59106495D1
公开(公告)日：1995-10-19
申请号：DE59106495
申请日：1991-10-15
Applicant: HOECHST AG
Inventor： NEUBER MARITA , DETTMEIER UDO , LEUPOLD ERNST
Abstract: Process for the production of isopropyl naphthaline by the alkylation of naphthaline with the aid of catalysts in which EU-1-zeolites are used as catalysts.
-
公开(公告)号：MX9101857A
公开(公告)日：1992-07-08
申请号：MX9101857
申请日：1991-10-30
Applicant: HOECHST AG
Inventor： NEUBER MARITA , DETTMEIER UDO , LEUPOLD ERNST INGO
Abstract: Process for the production of isopropyl naphthaline by the alkylation of naphthaline with the aid of catalysts in which EU-1-zeolites are used as catalysts.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.018 seconds)
