NL7113876A - - Google Patents

Info

Publication number
NL7113876A
NL7113876A NL7113876A NL7113876A NL7113876A NL 7113876 A NL7113876 A NL 7113876A NL 7113876 A NL7113876 A NL 7113876A NL 7113876 A NL7113876 A NL 7113876A NL 7113876 A NL7113876 A NL 7113876A
Authority
NL
Netherlands
Application number
NL7113876A
Other versions
NL166915C (nl
NL166915B (nl
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/de
Application filed filed Critical
Publication of NL7113876A publication Critical patent/NL7113876A/xx
Publication of NL166915B publication Critical patent/NL166915B/xx
Application granted granted Critical
Publication of NL166915C publication Critical patent/NL166915C/xx

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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL7113876.A 1970-10-10 1971-10-08 Werkwijze voor het bereiden van zeer zuiver 2-hydroxybifenyl door dehydrogenering van geheel of gedeeltelijk gehydrogeneerd 2-hydroxybifenyl onder toe- passing van een nieuwe katalysator. NL166915C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2049809A DE2049809C3 (de) 1970-10-10 1970-10-10 Dehydrierungskatalysator
DE2102476A DE2102476C3 (de) 1970-10-10 1971-01-20 Verfahren zur Reinigung von o-Hydroxydiphenyl

Publications (3)

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

Family

ID=25759865

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7113876.A NL166915C (nl) 1970-10-10 1971-10-08 Werkwijze voor het bereiden van zeer zuiver 2-hydroxybifenyl door dehydrogenering van geheel of gedeeltelijk gehydrogeneerd 2-hydroxybifenyl onder toe- passing van een nieuwe katalysator.

Country Status (8)

Country Link
JP (1) JPS541699B1 (xx)
AU (1) AU457367B2 (xx)
CA (1) CA952538A (xx)
CH (2) CH566948A5 (xx)
DE (1) DE2102476C3 (xx)
FR (2) FR2111179A5 (xx)
GB (2) GB1362284A (xx)
NL (1) NL166915C (xx)

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 (de) * 1975-05-10 1982-03-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Diphenylamin
JPS6129655U (ja) * 1984-07-28 1986-02-22 行雄 栗田 書画類掲示具
CN102399135A (zh) * 2010-09-09 2012-04-04 东营远大化工有限公司 一种邻苯基苯酚的制备和分离精制方法
CN103153456A (zh) * 2010-10-11 2013-06-12 埃克森美孚化学专利公司 用于制备苯酚的方法
CN115745750B (zh) * 2022-09-28 2023-12-15 山东天隅新材料科技有限公司 邻苯基苯酚、制备方法及其应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108221B (de) * 1959-03-21 1961-06-08 Bayer Ag Verfahren zur Lenkung der Wirkungsweise von Dehydrierungskatalysatoren fuer hydroaromatische Verbindungen
DE2049809C3 (de) * 1970-10-10 1975-10-30 Bayer Ag, 5090 Leverkusen Dehydrierungskatalysator

Also Published As

Publication number Publication date
CA952538A (en) 1974-08-06
AU457367B2 (en) 1975-01-30
CH566948A5 (xx) 1975-09-30
NL166915C (nl) 1981-10-15
NL166915B (nl) 1981-05-15
FR2111179A5 (xx) 1972-06-02
JPS541699B1 (xx) 1979-01-27
FR2122841A5 (xx) 1972-09-01
DE2102476B2 (de) 1973-08-02
GB1362284A (en) 1974-08-07
GB1340370A (en) 1973-12-12
DE2102476C3 (de) 1974-02-28
AU3414971A (en) 1973-04-19
DE2102476A1 (de) 1972-08-03
CH563808A5 (xx) 1975-07-15

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Legal Events

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