FR2440940A1 - Procede de recuperation du para-aminophenol - Google Patents
Procede de recuperation du para-aminophenolInfo
- Publication number
- FR2440940A1 FR2440940A1 FR7927584A FR7927584A FR2440940A1 FR 2440940 A1 FR2440940 A1 FR 2440940A1 FR 7927584 A FR7927584 A FR 7927584A FR 7927584 A FR7927584 A FR 7927584A FR 2440940 A1 FR2440940 A1 FR 2440940A1
- Authority
- FR
- France
- Prior art keywords
- para
- aminophenol
- top layer
- aromatic amine
- solution
- 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.)
- Granted
Links
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 title abstract 15
- 238000011084 recovery Methods 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 2
- 150000004982 aromatic amines Chemical class 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- CDULGHZNHURECF-UHFFFAOYSA-N 2,3-dimethylaniline 2,4-dimethylaniline 2,5-dimethylaniline 2,6-dimethylaniline 3,4-dimethylaniline 3,5-dimethylaniline Chemical compound CC1=CC=C(N)C(C)=C1.CC1=CC=C(C)C(N)=C1.CC1=CC(C)=CC(N)=C1.CC1=CC=C(N)C=C1C.CC1=CC=CC(N)=C1C.CC1=CC=CC(C)=C1N CDULGHZNHURECF-UHFFFAOYSA-N 0.000 abstract 1
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 abstract 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012045 crude solution Substances 0.000 abstract 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 abstract 1
- 150000004992 toluidines Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/958,868 US4224247A (en) | 1978-11-08 | 1978-11-08 | Recovery of para-aminophenol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2440940A1 true FR2440940A1 (fr) | 1980-06-06 |
| FR2440940B1 FR2440940B1 (enExample) | 1984-01-20 |
Family
ID=25501394
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7927584A Granted FR2440940A1 (fr) | 1978-11-08 | 1979-11-08 | Procede de recuperation du para-aminophenol |
| FR8004476A Granted FR2443453A1 (fr) | 1978-11-08 | 1980-02-28 | Procede de preparation des diaryl para-phenylenediamines a partir d'une solution aqueuse brute d'acide sulfurique contenant du para-diaminophenol |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8004476A Granted FR2443453A1 (fr) | 1978-11-08 | 1980-02-28 | Procede de preparation des diaryl para-phenylenediamines a partir d'une solution aqueuse brute d'acide sulfurique contenant du para-diaminophenol |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4224247A (enExample) |
| JP (1) | JPS5569544A (enExample) |
| BE (1) | BE879853A (enExample) |
| CA (1) | CA1118791A (enExample) |
| CH (1) | CH644088A5 (enExample) |
| DE (1) | DE2945140A1 (enExample) |
| FR (2) | FR2440940A1 (enExample) |
| GB (1) | GB2036018B (enExample) |
| GR (1) | GR68186B (enExample) |
| IT (1) | IT1164134B (enExample) |
| NL (1) | NL7907957A (enExample) |
| SE (2) | SE7909028L (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256669A (en) * | 1978-11-08 | 1981-03-17 | Mallinckrodt, Inc. | Para-aminophenol derivatives |
| FR2811670B1 (fr) * | 2000-07-13 | 2004-05-14 | Rhodia Chimie Sa | Stabilisation de compositions polymeriques, organosiliciques ou silicone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3432460A (en) * | 1968-02-19 | 1969-03-11 | Goodyear Tire & Rubber | Antiozonants |
| JPS5344531A (en) * | 1976-10-05 | 1978-04-21 | Mitsui Toatsu Chem Inc | Purification of p-aminophenol |
| FR2421868A1 (fr) * | 1978-03-13 | 1979-11-02 | Mitsui Toatsu Chemicals | Procede de purification de p-aminophenol brut |
| FR2440937A1 (fr) * | 1978-11-08 | 1980-06-06 | Mallinckrodt Inc | Procede de preparation de diaryl para-phenylenediamines a partir du para-aminophenol |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2053785A (en) * | 1933-06-02 | 1936-09-08 | Goodrich Co B F | Antioxidants |
| US2048823A (en) * | 1933-06-02 | 1936-07-28 | Goodrich Co B F | Antioxidant |
| US2087199A (en) * | 1934-02-08 | 1937-07-13 | Wingfoot Corp | Age resistor |
| US3418373A (en) * | 1965-04-12 | 1968-12-24 | Monsanto Co | Preparation of aromatic diamine mixtures |
| US3383416A (en) * | 1965-07-08 | 1968-05-14 | Roland G. Benner | Process for preparing aminophenol |
| BE757391A (fr) * | 1969-10-16 | 1971-04-13 | Howard Hall & Cy | Purification de p-aminophenol |
-
1978
- 1978-11-08 US US05/958,868 patent/US4224247A/en not_active Expired - Lifetime
-
1979
- 1979-10-30 NL NL7907957A patent/NL7907957A/nl not_active Application Discontinuation
- 1979-10-31 SE SE7909028A patent/SE7909028L/ not_active Application Discontinuation
- 1979-11-03 GR GR60411A patent/GR68186B/el unknown
- 1979-11-05 IT IT50741/79A patent/IT1164134B/it active
- 1979-11-06 BE BE0/197988A patent/BE879853A/fr not_active IP Right Cessation
- 1979-11-06 GB GB7938459A patent/GB2036018B/en not_active Expired
- 1979-11-06 CA CA000339247A patent/CA1118791A/en not_active Expired
- 1979-11-07 CH CH996779A patent/CH644088A5/de not_active IP Right Cessation
- 1979-11-07 JP JP14491179A patent/JPS5569544A/ja active Pending
- 1979-11-08 DE DE19792945140 patent/DE2945140A1/de not_active Withdrawn
- 1979-11-08 FR FR7927584A patent/FR2440940A1/fr active Granted
-
1980
- 1980-02-28 FR FR8004476A patent/FR2443453A1/fr active Granted
-
1985
- 1985-01-22 SE SE8500289A patent/SE8500289D0/xx not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3432460A (en) * | 1968-02-19 | 1969-03-11 | Goodyear Tire & Rubber | Antiozonants |
| JPS5344531A (en) * | 1976-10-05 | 1978-04-21 | Mitsui Toatsu Chem Inc | Purification of p-aminophenol |
| FR2421868A1 (fr) * | 1978-03-13 | 1979-11-02 | Mitsui Toatsu Chemicals | Procede de purification de p-aminophenol brut |
| FR2440937A1 (fr) * | 1978-11-08 | 1980-06-06 | Mallinckrodt Inc | Procede de preparation de diaryl para-phenylenediamines a partir du para-aminophenol |
Non-Patent Citations (1)
| Title |
|---|
| CHEMICAL ABSTRACTS, volume 89, no. 11, 11 septembre 1978, page 484, abrégé 90129p, COLUMBUS OHIO (US), & JP - A - 53 044531 (MITSUI TOATSU CHEMICALS INC.) 21-04-1978 * |
Also Published As
| Publication number | Publication date |
|---|---|
| BE879853A (fr) | 1980-03-03 |
| GB2036018A (en) | 1980-06-25 |
| US4224247A (en) | 1980-09-23 |
| CA1118791A (en) | 1982-02-23 |
| GB2036018B (en) | 1983-03-02 |
| SE8500289L (sv) | 1985-01-22 |
| IT1164134B (it) | 1987-04-08 |
| FR2443453B1 (enExample) | 1984-01-20 |
| CH644088A5 (de) | 1984-07-13 |
| DE2945140A1 (de) | 1980-05-29 |
| NL7907957A (nl) | 1980-05-12 |
| SE7909028L (sv) | 1980-05-09 |
| FR2443453A1 (fr) | 1980-07-04 |
| GR68186B (enExample) | 1981-11-09 |
| JPS5569544A (en) | 1980-05-26 |
| SE8500289D0 (sv) | 1985-01-22 |
| FR2440940B1 (enExample) | 1984-01-20 |
| IT7950741A0 (it) | 1979-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |