NL8105149A - Werkwijze ter bereiding van de monoalkylethers van hydrochinon alsmede de derivaten daarvan. - Google Patents
Werkwijze ter bereiding van de monoalkylethers van hydrochinon alsmede de derivaten daarvan. Download PDFInfo
- Publication number
- NL8105149A NL8105149A NL8105149A NL8105149A NL8105149A NL 8105149 A NL8105149 A NL 8105149A NL 8105149 A NL8105149 A NL 8105149A NL 8105149 A NL8105149 A NL 8105149A NL 8105149 A NL8105149 A NL 8105149A
- Authority
- NL
- Netherlands
- Prior art keywords
- hydroquinone
- autoclave
- reaction
- process according
- methanol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25933/80A IT1134242B (it) | 1980-11-13 | 1980-11-13 | Procedimento per la preparazione di monoalchileteri dell'idrochinone e dei suoi derivati |
IT25934/80A IT1134243B (it) | 1980-11-13 | 1980-11-13 | Procedimento di preparazione di monoalchileteri dell'idrochinone e dei suoi derivati |
IT2593380 | 1980-11-13 | ||
IT2593480 | 1980-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8105149A true NL8105149A (nl) | 1982-06-01 |
Family
ID=26328631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8105149A NL8105149A (nl) | 1980-11-13 | 1981-11-13 | Werkwijze ter bereiding van de monoalkylethers van hydrochinon alsmede de derivaten daarvan. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4469897A (no) |
CH (1) | CH648279A5 (no) |
DE (1) | DE3145212C2 (no) |
DK (1) | DK496581A (no) |
FR (1) | FR2493834A1 (no) |
GB (1) | GB2087389B (no) |
NL (1) | NL8105149A (no) |
NO (1) | NO154880C (no) |
SE (1) | SE448869B (no) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090312582A1 (en) | 2005-04-19 | 2009-12-17 | Camlin Fine Chemicals Limited | Synthesis of butylated hydroxyanisole from tertiary butyl hydroquinone |
US7495097B2 (en) * | 2005-11-23 | 2009-02-24 | Brown University | Rhodium quinonoid catalysts |
US7569734B2 (en) * | 2005-11-30 | 2009-08-04 | Brown University | Method of using rhodium quinonoid catalysts |
CN101613260B (zh) * | 2009-07-21 | 2013-05-15 | 广东省食品工业研究所 | 一种特丁基羟基茴香醚的合成及纯化工艺 |
CN101704727B (zh) * | 2009-10-29 | 2013-03-06 | 广东省食品工业研究所 | 一种从叔丁基羟基茴香醚生产过程中回收叔丁基对苯二酚的工艺 |
EP3124477B1 (en) | 2015-07-27 | 2019-07-17 | DENTSPLY DETREY GmbH | Dental adhesive |
EP3124009A1 (en) | 2015-07-27 | 2017-02-01 | DENTSPLY DETREY GmbH | Dental adhesive |
EP3338757A1 (en) | 2016-12-20 | 2018-06-27 | Dentsply DeTrey GmbH | Direct dental filling composition |
CN112871190B (zh) * | 2021-01-13 | 2021-08-20 | 泰州九润环保科技有限公司 | 用于合成氢醌单甲醚的铬基金属有机骨架固体酸催化剂及其制备方法和应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615051A (en) * | 1952-10-21 | Etherification of hydroquinone | ||
US2781404A (en) * | 1953-12-28 | 1957-02-12 | Universal Oil Prod Co | Synthesis of ortho-alkyl-p-alkoxyphenols |
US3911022A (en) * | 1973-06-04 | 1975-10-07 | Eastman Kodak Co | Etherification of phenolic compounds |
JPS51105021A (en) * | 1975-03-13 | 1976-09-17 | Ube Industries | 2 kafuenooruno monoarukirueeterunoseiho |
JPS5312790A (en) * | 1976-07-23 | 1978-02-04 | Ube Ind Ltd | Vapor phase monoalkyl etherification catalyst for divalent phenols |
-
1981
- 1981-10-21 US US06/313,677 patent/US4469897A/en not_active Expired - Lifetime
- 1981-10-21 GB GB8131713A patent/GB2087389B/en not_active Expired
- 1981-11-03 FR FR8120598A patent/FR2493834A1/fr active Granted
- 1981-11-06 CH CH7128/81A patent/CH648279A5/it not_active IP Right Cessation
- 1981-11-10 DK DK496581A patent/DK496581A/da not_active Application Discontinuation
- 1981-11-11 NO NO813814A patent/NO154880C/no unknown
- 1981-11-12 SE SE8106743A patent/SE448869B/sv not_active IP Right Cessation
- 1981-11-13 DE DE3145212A patent/DE3145212C2/de not_active Expired
- 1981-11-13 NL NL8105149A patent/NL8105149A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2087389B (en) | 1984-05-10 |
NO154880C (no) | 1987-01-07 |
FR2493834B1 (no) | 1984-06-01 |
GB2087389A (en) | 1982-05-26 |
CH648279A5 (it) | 1985-03-15 |
DE3145212A1 (de) | 1982-05-19 |
DE3145212C2 (de) | 1983-10-13 |
SE8106743L (sv) | 1982-05-14 |
FR2493834A1 (fr) | 1982-05-14 |
US4469897A (en) | 1984-09-04 |
DK496581A (da) | 1982-05-14 |
SE448869B (sv) | 1987-03-23 |
NO813814L (no) | 1982-05-14 |
NO154880B (no) | 1986-09-29 |
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BA | A request for search or an international-type search has been filed | ||
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A85 | Still pending on 85-01-01 | ||
BC | A request for examination has been filed | ||
DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: ENICHEM ANIC S.P.A. |
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CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: ENICHEM SYNTHESIS S.P.A. |
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BV | The patent application has lapsed |