IT1164222B - PROCEDURE FOR THE PREPARATION OF O-PHENYLENEDIAMINE - Google Patents
PROCEDURE FOR THE PREPARATION OF O-PHENYLENEDIAMINEInfo
- Publication number
- IT1164222B IT1164222B IT21066/83A IT2106683A IT1164222B IT 1164222 B IT1164222 B IT 1164222B IT 21066/83 A IT21066/83 A IT 21066/83A IT 2106683 A IT2106683 A IT 2106683A IT 1164222 B IT1164222 B IT 1164222B
- Authority
- IT
- Italy
- Prior art keywords
- phenylenediamine
- procedure
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU821487A HU186018B (en) | 1982-05-12 | 1982-05-12 | Process for preparing o-phenylene-diamine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT8321066A0 IT8321066A0 (en) | 1983-05-12 |
| IT8321066A1 IT8321066A1 (en) | 1984-11-12 |
| IT1164222B true IT1164222B (en) | 1987-04-08 |
Family
ID=10954685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21066/83A IT1164222B (en) | 1982-05-12 | 1983-05-12 | PROCEDURE FOR THE PREPARATION OF O-PHENYLENEDIAMINE |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS591450A (en) |
| CH (1) | CH655093A5 (en) |
| DD (1) | DD270208A3 (en) |
| DE (1) | DE3316465A1 (en) |
| FR (1) | FR2526790B1 (en) |
| GB (1) | GB2122607B (en) |
| HU (1) | HU186018B (en) |
| IT (1) | IT1164222B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR006063A4 (en) * | 1999-04-17 | 1999-08-11 | Romario S R L | THERMAL TRAY FOR PIZZAS |
| CN106316863A (en) * | 2016-08-13 | 2017-01-11 | 安徽东至广信农化有限公司 | Efficient o-phenylenediamine recovery method |
| CN109879762B (en) * | 2019-03-27 | 2022-02-22 | 宁夏瑞泰科技股份有限公司 | Purification method of o-phenylenediamine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3230259A (en) * | 1963-04-09 | 1966-01-18 | Universal Oil Prod Co | Preparation of o-phenylenediamines |
| GB1344796A (en) * | 1971-08-14 | 1974-01-23 | Hoechst Ag | Process for the preparation of aromatic diamines |
| JPS532427A (en) * | 1976-06-25 | 1978-01-11 | Mitsui Toatsu Chem Inc | Preparation of phenylenediamine |
| HU175397B (en) * | 1977-08-12 | 1980-07-28 | Magyar Asvanyolaj Es Foeldgaz | Process for producing o-phenylene-diamine |
-
1982
- 1982-05-12 HU HU821487A patent/HU186018B/en not_active IP Right Cessation
-
1983
- 1983-05-05 DE DE19833316465 patent/DE3316465A1/en not_active Withdrawn
- 1983-05-06 GB GB08312557A patent/GB2122607B/en not_active Expired
- 1983-05-10 CH CH2553/83A patent/CH655093A5/en not_active IP Right Cessation
- 1983-05-10 FR FR8307783A patent/FR2526790B1/en not_active Expired
- 1983-05-11 DD DD83250843A patent/DD270208A3/en not_active IP Right Cessation
- 1983-05-11 JP JP58081058A patent/JPS591450A/en active Pending
- 1983-05-12 IT IT21066/83A patent/IT1164222B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2122607B (en) | 1986-01-29 |
| DE3316465A1 (en) | 1983-11-17 |
| IT8321066A1 (en) | 1984-11-12 |
| JPS591450A (en) | 1984-01-06 |
| IT8321066A0 (en) | 1983-05-12 |
| GB8312557D0 (en) | 1983-06-08 |
| FR2526790B1 (en) | 1988-02-05 |
| HU186018B (en) | 1985-05-28 |
| FR2526790A1 (en) | 1983-11-18 |
| DD270208A3 (en) | 1989-07-26 |
| CH655093A5 (en) | 1986-03-27 |
| GB2122607A (en) | 1984-01-18 |
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