DK504779A - Fremgangsmaade til termisk dealkylering af alkylerede fenoler - Google Patents
Fremgangsmaade til termisk dealkylering af alkylerede fenolerInfo
- Publication number
- DK504779A DK504779A DK504779A DK504779A DK504779A DK 504779 A DK504779 A DK 504779A DK 504779 A DK504779 A DK 504779A DK 504779 A DK504779 A DK 504779A DK 504779 A DK504779 A DK 504779A
- Authority
- DK
- Denmark
- Prior art keywords
- dealkyling
- alkylered
- phenols
- procedure
- thermal
- Prior art date
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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/964,814 US4230896A (en) | 1978-11-30 | 1978-11-30 | Catalytic steam dealkylation of alkyl phenols |
Publications (1)
Publication Number | Publication Date |
---|---|
DK504779A true DK504779A (da) | 1980-05-31 |
Family
ID=25509050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK504779A DK504779A (da) | 1978-11-30 | 1979-11-28 | Fremgangsmaade til termisk dealkylering af alkylerede fenoler |
Country Status (6)
Country | Link |
---|---|
US (1) | US4230896A (da) |
BE (1) | BE880316A (da) |
CA (1) | CA1144181A (da) |
DK (1) | DK504779A (da) |
NO (1) | NO151038C (da) |
SE (1) | SE447100B (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4533768A (en) * | 1984-05-03 | 1985-08-06 | General Electric Company | Zinc oxide catalyzed dealkylation of alkylated phenols |
US4533767A (en) * | 1984-05-03 | 1985-08-06 | General Electric Company | Catalytic hydrodealkylation of alkylated phenols |
US4560810A (en) * | 1984-11-14 | 1985-12-24 | General Electric Company | Catalytic dealkylation of alkylated phenols |
US4605790A (en) * | 1985-05-21 | 1986-08-12 | E. I. Du Pont De Nemours And Company | Phenol from coal and biomass |
EP0423070B1 (de) * | 1989-10-12 | 1995-08-30 | Ciba-Geigy Ag | Verfahren zur Herstellung substituierter Phenole |
US6291724B1 (en) | 1997-09-24 | 2001-09-18 | General Electric Company | Suppression of highly alkylated phenols in the catalytic alkylation reaction of phenol |
NL2020595B1 (en) * | 2018-03-15 | 2019-09-26 | Univ Eindhoven Tech | Catalytic conversion of biomass to biophenol |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734929A (en) * | 1956-02-14 | Dealkylation of hydrocarbons | ||
US2366497A (en) * | 1943-02-08 | 1945-01-02 | Standard Oil Dev Co | Dealkylation of alkylated phenols |
US2386969A (en) * | 1943-11-19 | 1945-10-16 | Universal Oil Prod Co | Production of xylene |
US2435038A (en) * | 1944-06-13 | 1948-01-27 | Gulf Research Development Co | Catalytic dealkylation of alkyl aromatic compounds |
US2692293A (en) * | 1951-10-05 | 1954-10-19 | Houdry Process Corp | Catalytic dealkylation of aromatic hydrocarbons |
US2746996A (en) * | 1952-08-06 | 1956-05-22 | Consolidation Coal Co | Catalytic cracking of high boiling tar acids |
US2773917A (en) * | 1952-09-16 | 1956-12-11 | Socony Mobil Oil Co | Demethylation over chromia or molybdena catalysts |
US2998457A (en) * | 1958-11-19 | 1961-08-29 | Ashland Oil Inc | Production of phenols |
US3091646A (en) * | 1960-04-18 | 1963-05-28 | Koppers Co Inc | Preparation of mu-cresol by a dealkylation process |
US3071627A (en) * | 1960-05-02 | 1963-01-01 | Pittsburgh Chemical Company | Phenol by air oxidation of cresols |
US3296316A (en) * | 1961-11-27 | 1967-01-03 | Consolidation Coal Co | Dealkylation of branched-chain p-alkylated phenols |
US3436434A (en) * | 1967-04-21 | 1969-04-01 | Universal Oil Prod Co | Dealkylation of alkyl aromatic hydrocarbons |
US3686340A (en) * | 1968-10-22 | 1972-08-22 | Ashland Oil Inc | Hydrodealkylation process |
US3649707A (en) * | 1969-06-27 | 1972-03-14 | Universal Oil Prod Co | Dual catalyst in steam dealkylation process |
SU399498A1 (ru) * | 1971-01-15 | 1973-10-03 | Способ получения фенола и метилфенолов | |
US3760023A (en) * | 1971-04-26 | 1973-09-18 | Ashland Oil Inc | Hydrodealkylation process with promoted group vib metals and promoters |
US3751505A (en) * | 1972-03-28 | 1973-08-07 | Goodyear Tire & Rubber | Hydrodealkylation process |
US4008181A (en) * | 1975-09-04 | 1977-02-15 | Texaco Inc. | Steam dealkylation catalyst and process for preparing it |
-
1978
- 1978-11-30 US US05/964,814 patent/US4230896A/en not_active Expired - Lifetime
-
1979
- 1979-11-07 CA CA000339319A patent/CA1144181A/en not_active Expired
- 1979-11-28 DK DK504779A patent/DK504779A/da not_active Application Discontinuation
- 1979-11-29 BE BE2/58236A patent/BE880316A/nl unknown
- 1979-11-29 SE SE7909869A patent/SE447100B/sv not_active IP Right Cessation
- 1979-11-29 NO NO793897A patent/NO151038C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO793897L (no) | 1980-06-02 |
SE447100B (sv) | 1986-10-27 |
SE7909869L (sv) | 1980-05-31 |
CA1144181A (en) | 1983-04-05 |
US4230896A (en) | 1980-10-28 |
NO151038B (no) | 1984-10-22 |
NO151038C (no) | 1985-01-30 |
BE880316A (nl) | 1980-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |