CH622759A5 - - Google Patents
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- Publication number
- CH622759A5 CH622759A5 CH123676A CH123676A CH622759A5 CH 622759 A5 CH622759 A5 CH 622759A5 CH 123676 A CH123676 A CH 123676A CH 123676 A CH123676 A CH 123676A CH 622759 A5 CH622759 A5 CH 622759A5
- Authority
- CH
- Switzerland
- Prior art keywords
- xylene
- reaction
- dichloro
- parts
- mixture
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/12—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/547,067 US4010214A (en) | 1975-02-04 | 1975-02-04 | Process for the preparation of 2,5-dichloro-p-xylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH622759A5 true CH622759A5 (it) | 1981-04-30 |
Family
ID=24183219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH123676A CH622759A5 (it) | 1975-02-04 | 1976-02-02 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4010214A (it) |
| JP (1) | JPS6026773B2 (it) |
| BE (1) | BE838199A (it) |
| BR (1) | BR7600645A (it) |
| CA (1) | CA1080751A (it) |
| CH (1) | CH622759A5 (it) |
| DE (1) | DE2604277C2 (it) |
| FR (1) | FR2300059A1 (it) |
| GB (1) | GB1491841A (it) |
| IT (1) | IT1054828B (it) |
| NL (1) | NL7600939A (it) |
| SU (1) | SU627748A3 (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2523104C3 (de) * | 1975-05-24 | 1978-08-24 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von 2,5-Dichlortoluol |
| DE2702829A1 (de) * | 1977-01-25 | 1978-07-27 | Dynamit Nobel Ag | Verfahren zur herstellung von kernchlorierten xylolen |
| US4334112A (en) * | 1978-10-05 | 1982-06-08 | Union Carbide Corporation | Process for producing 2,5-dichloro-p-xylene |
| US4608448A (en) * | 1978-10-05 | 1986-08-26 | Union Carbide Corporation | Process for producing 2,5-dichloro-p-xylene |
| US4520129A (en) * | 1981-08-17 | 1985-05-28 | Phillips Petroleum Compagny | Hydrogenation catalyst |
| JPS62198068A (ja) * | 1986-02-26 | 1987-09-01 | 日本電気株式会社 | 気密型コネクタ |
| JPS6339828A (ja) * | 1986-08-05 | 1988-02-20 | Kureha Chem Ind Co Ltd | ２，５−ジクロロトルエンの製造方法 |
| JPH04505465A (ja) * | 1990-02-22 | 1992-09-24 | アモコ・コーポレーション | ４―ブロモ―↓０―キシレンの製造方法 |
| JPH08337543A (ja) * | 1995-06-13 | 1996-12-24 | Kureha Chem Ind Co Ltd | ２，６−ジクロロ−３，５−ジ（第２級もしくは、第３級アルキル）トルエンの製造方法 |
| JP2000003909A (ja) * | 1998-06-15 | 2000-01-07 | Kishimoto Sangyo Co Ltd | 半導体デバイス用絶縁膜および半導体デバイス |
| CN101628861A (zh) * | 2009-06-22 | 2010-01-20 | 徐州华日化学工业有限公司 | 一种2,5-二氯对苯二甲醛的合成方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1741305A (en) * | 1926-02-04 | 1929-12-31 | Selden Co | Purification of aromatic hydrocarbons |
| US3035103A (en) * | 1959-09-16 | 1962-05-15 | Diamond Alkali Co | Process for preparation and recovery of 2, 5-dichloro-p-xylene |
| US3226447A (en) * | 1960-12-22 | 1965-12-28 | Union Carbide Australia | Directed nuclear substitution-chlorination of aromatic hydrocarbons and halogenated aromatic hydrocarbons |
| US3692850A (en) * | 1970-07-31 | 1972-09-19 | Tenneco Chem | Process for the production of 2,4,5-trichlorotoluene |
| IT1022654B (it) * | 1973-10-17 | 1978-04-20 | Hooker Chemicals Plastics Corp | Catalizzatori di orientamento di isomere per la alogenazione di idrocarburi aromatici |
-
1975
- 1975-02-04 US US05/547,067 patent/US4010214A/en not_active Expired - Lifetime
-
1976
- 1976-01-30 NL NL7600939A patent/NL7600939A/xx not_active Application Discontinuation
- 1976-01-30 CA CA244,980A patent/CA1080751A/en not_active Expired
- 1976-02-02 FR FR7602763*[A patent/FR2300059A1/fr active Granted
- 1976-02-02 CH CH123676A patent/CH622759A5/de not_active IP Right Cessation
- 1976-02-02 BE BE164035A patent/BE838199A/xx not_active IP Right Cessation
- 1976-02-02 BR BR7600645A patent/BR7600645A/pt unknown
- 1976-02-03 GB GB4277/76A patent/GB1491841A/en not_active Expired
- 1976-02-03 IT IT19826/76A patent/IT1054828B/it active
- 1976-02-03 JP JP51011213A patent/JPS6026773B2/ja not_active Expired
- 1976-02-04 DE DE2604277A patent/DE2604277C2/de not_active Expired
- 1976-02-04 SU SU762322019A patent/SU627748A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| US4010214A (en) | 1977-03-01 |
| CA1080751A (en) | 1980-07-01 |
| BE838199A (fr) | 1976-08-02 |
| SU627748A3 (ru) | 1978-10-05 |
| FR2300059B1 (it) | 1979-07-27 |
| IT1054828B (it) | 1981-11-30 |
| FR2300059A1 (fr) | 1976-09-03 |
| JPS6026773B2 (ja) | 1985-06-25 |
| GB1491841A (en) | 1977-11-16 |
| NL7600939A (nl) | 1976-08-06 |
| BR7600645A (pt) | 1976-08-31 |
| JPS51101927A (it) | 1976-09-08 |
| DE2604277A1 (de) | 1976-08-05 |
| DE2604277C2 (de) | 1984-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PFA | Name/firm changed |
Owner name: OCCIDENTAL CHEMICAL CORPORATION |
|
| PL | Patent ceased |