KR900001005B1 - 오르토-니트로톨루엔의 분리방법 - Google Patents
오르토-니트로톨루엔의 분리방법 Download PDFInfo
- Publication number
- KR900001005B1 KR900001005B1 KR1019850007691A KR850007691A KR900001005B1 KR 900001005 B1 KR900001005 B1 KR 900001005B1 KR 1019850007691 A KR1019850007691 A KR 1019850007691A KR 850007691 A KR850007691 A KR 850007691A KR 900001005 B1 KR900001005 B1 KR 900001005B1
- Authority
- KR
- South Korea
- Prior art keywords
- nitrotoluene
- ortho
- adsorbent
- desorbent
- isomers
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US661.860 | 1984-10-18 | ||
| US06/661,860 US4620047A (en) | 1984-10-18 | 1984-10-18 | Process for the separation of ortho-nitrotoluene |
| US661860 | 1991-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR860003199A KR860003199A (ko) | 1986-05-21 |
| KR900001005B1 true KR900001005B1 (ko) | 1990-02-24 |
Family
ID=24655405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850007691A Expired KR900001005B1 (ko) | 1984-10-18 | 1985-10-18 | 오르토-니트로톨루엔의 분리방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4620047A (enExample) |
| EP (1) | EP0181106B1 (enExample) |
| JP (1) | JPS61118350A (enExample) |
| KR (1) | KR900001005B1 (enExample) |
| AT (1) | ATE64588T1 (enExample) |
| CA (1) | CA1239939A (enExample) |
| DE (1) | DE3583280D1 (enExample) |
| IN (1) | IN165528B (enExample) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114499B1 (enExample) * | 1971-07-13 | 1976-05-10 | ||
| US4418230A (en) * | 1978-06-21 | 1983-11-29 | Aktiebolaget Bofors | Method for gaseous phase nitration of aromatics |
| US4371721A (en) * | 1978-12-14 | 1983-02-01 | Mobil Oil Corporation | Selective cracking of disubstituted benzenes having polar substituents |
| US4240986A (en) * | 1979-02-23 | 1980-12-23 | Uop Inc. | Process for the separation of ortho-chloronitrobenzene |
| US4270013A (en) * | 1979-10-19 | 1981-05-26 | Uop Inc. | Process for the separation of nitrotoluene isomers |
| US4426543A (en) * | 1980-11-26 | 1984-01-17 | Monsanto Company | Vapor phase nitration of aromatic hydrocarbons |
| GB2095230B (en) * | 1981-03-19 | 1985-01-03 | Uop Inc | Process for the separation of nitrotoluene isomers |
| JPS5835174B2 (ja) * | 1981-03-31 | 1983-08-01 | ユ−オ−ピ− インコ−ポレイテツド | ニトロトルエン異性体の分離方法 |
| US4395372A (en) * | 1982-08-09 | 1983-07-26 | Shell Oil Company | Alkylation process |
-
1984
- 1984-10-18 US US06/661,860 patent/US4620047A/en not_active Expired - Fee Related
-
1985
- 1985-10-10 IN IN839/DEL/85A patent/IN165528B/en unknown
- 1985-10-17 DE DE8585307477T patent/DE3583280D1/de not_active Expired - Fee Related
- 1985-10-17 EP EP85307477A patent/EP0181106B1/en not_active Expired - Lifetime
- 1985-10-17 AT AT85307477T patent/ATE64588T1/de active
- 1985-10-18 CA CA000493318A patent/CA1239939A/en not_active Expired
- 1985-10-18 JP JP60234367A patent/JPS61118350A/ja active Granted
- 1985-10-18 KR KR1019850007691A patent/KR900001005B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR860003199A (ko) | 1986-05-21 |
| JPH026748B2 (enExample) | 1990-02-13 |
| US4620047A (en) | 1986-10-28 |
| JPS61118350A (ja) | 1986-06-05 |
| ATE64588T1 (de) | 1991-07-15 |
| CA1239939A (en) | 1988-08-02 |
| IN165528B (enExample) | 1989-11-04 |
| DE3583280D1 (de) | 1991-07-25 |
| EP0181106A2 (en) | 1986-05-14 |
| EP0181106B1 (en) | 1991-06-19 |
| EP0181106A3 (en) | 1987-06-03 |
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| KR900001005B1 (ko) | 오르토-니트로톨루엔의 분리방법 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| FPAY | Annual fee payment |
Payment date: 19930126 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19940225 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19940225 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |