NL166915C - PROCESS FOR PREPARING VERY PURE 2-HYDROXYBIPHENYL BY HYDROGENATION OF WHOLE OR PARTI-HYDROGENATED 2-HYDROXYBIPHENYL USING A NEW CATALYST. - Google Patents

PROCESS FOR PREPARING VERY PURE 2-HYDROXYBIPHENYL BY HYDROGENATION OF WHOLE OR PARTI-HYDROGENATED 2-HYDROXYBIPHENYL USING A NEW CATALYST.

Info

Publication number
NL166915C
NL166915C NL7113876.A NL7113876A NL166915C NL 166915 C NL166915 C NL 166915C NL 7113876 A NL7113876 A NL 7113876A NL 166915 C NL166915 C NL 166915C
Authority
NL
Netherlands
Prior art keywords
hydroxybiphenyl
parti
hydrogenation
hydrogenated
pure
Prior art date
Application number
NL7113876.A
Other languages
Dutch (nl)
Other versions
NL166915B (en
NL7113876A (en
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
Priority claimed from DE2049809A external-priority patent/DE2049809C3/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NL7113876A publication Critical patent/NL7113876A/xx
Publication of NL166915B publication Critical patent/NL166915B/en
Application granted granted Critical
Publication of NL166915C publication Critical patent/NL166915C/en

Links

Classifications

    • 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
    • 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
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/685—Processes comprising at least two steps in series
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
NL7113876.A 1970-10-10 1971-10-08 PROCESS FOR PREPARING VERY PURE 2-HYDROXYBIPHENYL BY HYDROGENATION OF WHOLE OR PARTI-HYDROGENATED 2-HYDROXYBIPHENYL USING A NEW CATALYST. NL166915C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2049809A DE2049809C3 (en) 1970-10-10 1970-10-10 Dehydrogenation catalyst
DE2102476A DE2102476C3 (en) 1970-10-10 1971-01-20 Process for the purification of o-hydroxydiphenyl

Publications (3)

Publication Number Publication Date
NL7113876A NL7113876A (en) 1972-04-12
NL166915B NL166915B (en) 1981-05-15
NL166915C true NL166915C (en) 1981-10-15

Family

ID=25759865

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7113876.A NL166915C (en) 1970-10-10 1971-10-08 PROCESS FOR PREPARING VERY PURE 2-HYDROXYBIPHENYL BY HYDROGENATION OF WHOLE OR PARTI-HYDROGENATED 2-HYDROXYBIPHENYL USING A NEW CATALYST.

Country Status (8)

Country Link
JP (1) JPS541699B1 (en)
AU (1) AU457367B2 (en)
CA (1) CA952538A (en)
CH (2) CH566948A5 (en)
DE (1) DE2102476C3 (en)
FR (2) FR2122841A5 (en)
GB (2) GB1362284A (en)
NL (1) NL166915C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136445A (en) * 1974-09-21 1976-03-27 Sumitomo Chemical Co Oo fuenirufuenooru no seiseiho
DE2520893C2 (en) * 1975-05-10 1982-03-11 Bayer Ag, 5090 Leverkusen Process for the production of diphenylamine
JPS6129655U (en) * 1984-07-28 1986-02-22 行雄 栗田 Document display equipment
CN102399135A (en) * 2010-09-09 2012-04-04 东营远大化工有限公司 O-phenylphenol preparation and separating and refining method
SG189124A1 (en) * 2010-10-11 2013-05-31 Exxonmobil Chem Patents Inc Process for producing phenol
CN115745750B (en) * 2022-09-28 2023-12-15 山东天隅新材料科技有限公司 O-phenylphenol, preparation method and application thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108221B (en) * 1959-03-21 1961-06-08 Bayer Ag Method for controlling the mode of action of dehydrogenation catalysts for hydroaromatic compounds
DE2049809C3 (en) * 1970-10-10 1975-10-30 Bayer Ag, 5090 Leverkusen Dehydrogenation catalyst

Also Published As

Publication number Publication date
AU3414971A (en) 1973-04-19
CA952538A (en) 1974-08-06
JPS541699B1 (en) 1979-01-27
NL166915B (en) 1981-05-15
DE2102476C3 (en) 1974-02-28
CH566948A5 (en) 1975-09-30
GB1362284A (en) 1974-08-07
GB1340370A (en) 1973-12-12
FR2111179A5 (en) 1972-06-02
AU457367B2 (en) 1975-01-30
NL7113876A (en) 1972-04-12
FR2122841A5 (en) 1972-09-01
CH563808A5 (en) 1975-07-15
DE2102476B2 (en) 1973-08-02
DE2102476A1 (en) 1972-08-03

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee