ZA716765B - Process for the manufacture of a catalyst for the synthesis of hydroxydiphenyl - Google Patents

Process for the manufacture of a catalyst for the synthesis of hydroxydiphenyl

Info

Publication number
ZA716765B
ZA716765B ZA716765A ZA716765A ZA716765B ZA 716765 B ZA716765 B ZA 716765B ZA 716765 A ZA716765 A ZA 716765A ZA 716765 A ZA716765 A ZA 716765A ZA 716765 B ZA716765 B ZA 716765B
Authority
ZA
South Africa
Prior art keywords
hydroxydiphenyl
synthesis
catalyst
manufacture
Prior art date
Application number
ZA716765A
Inventor
O Weissel
J Metten
H Schwarz
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA716765B publication Critical patent/ZA716765B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/868—Chromium copper and chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
ZA716765A 1970-10-10 1971-10-08 Process for the manufacture of a catalyst for the synthesis of hydroxydiphenyl ZA716765B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2049809A DE2049809C3 (en) 1970-10-10 1970-10-10 Dehydrogenation catalyst

Publications (1)

Publication Number Publication Date
ZA716765B true ZA716765B (en) 1972-06-28

Family

ID=5784726

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716765A ZA716765B (en) 1970-10-10 1971-10-08 Process for the manufacture of a catalyst for the synthesis of hydroxydiphenyl

Country Status (5)

Country Link
BE (1) BE773686A (en)
DE (1) DE2049809C3 (en)
ES (1) ES395884A1 (en)
IT (1) IT944730B (en)
ZA (1) ZA716765B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2102476C3 (en) * 1970-10-10 1974-02-28 Bayer Ag, 5090 Leverkusen Process for the purification of o-hydroxydiphenyl
DE2314947C3 (en) * 1973-03-26 1978-04-27 Bayer Ag, 5090 Leverkusen Process for the preparation of hydroxydiphenyl
DE2520893C2 (en) * 1975-05-10 1982-03-11 Bayer Ag, 5090 Leverkusen Process for the production of diphenylamine

Also Published As

Publication number Publication date
DE2049809C3 (en) 1975-10-30
BE773686A (en) 1972-04-10
IT944730B (en) 1973-04-20
DE2049809A1 (en) 1972-04-13
ES395884A1 (en) 1973-12-16
DE2049809B2 (en) 1975-02-20

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