FR2194704A2 - - Google Patents
Info
- Publication number
- FR2194704A2 FR2194704A2 FR7328298A FR7328298A FR2194704A2 FR 2194704 A2 FR2194704 A2 FR 2194704A2 FR 7328298 A FR7328298 A FR 7328298A FR 7328298 A FR7328298 A FR 7328298A FR 2194704 A2 FR2194704 A2 FR 2194704A2
- Authority
- FR
- France
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7210626A NL7210626A (en) | 1972-08-03 | 1972-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2194704A2 true FR2194704A2 (en) | 1974-03-01 |
| FR2194704B2 FR2194704B2 (en) | 1979-01-26 |
Family
ID=19816646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7328298A Expired FR2194704B2 (en) | 1972-08-03 | 1973-08-02 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS4945054A (en) |
| AR (1) | AR195442A1 (en) |
| BE (1) | BE803171R (en) |
| BR (1) | BR7305956D0 (en) |
| CH (1) | CH592057A5 (en) |
| DE (1) | DE2338784A1 (en) |
| ES (1) | ES417501A2 (en) |
| FR (1) | FR2194704B2 (en) |
| GB (1) | GB1401094A (en) |
| IT (1) | IT1046302B (en) |
| NL (1) | NL7210626A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849783B2 (en) * | 1975-05-30 | 1983-11-07 | ニホンサンソ カブシキガイシヤ | Ekikatennengasunokanreioriyoshita |
| JPS5849782B2 (en) * | 1975-05-30 | 1983-11-07 | ニホンサンソ カブシキガイシヤ | Ekikatennengasunokanreioriyoshita |
| JPS5825954B2 (en) * | 1975-07-30 | 1983-05-31 | ニホンサンソ カブシキガイシヤ | Exhaust air system |
| JPS5825953B2 (en) * | 1975-07-30 | 1983-05-31 | ニホンサンソ カブシキガイシヤ | Exhaust air system |
| JPS53124188A (en) * | 1977-04-06 | 1978-10-30 | Hitachi Ltd | Utilizing method for chillness of liquefied natural gas in air separator |
| JPS57115663A (en) * | 1981-01-09 | 1982-07-19 | Nippon Oxygen Co Ltd | Power reduction of air liquified separator |
| US4375367A (en) * | 1981-04-20 | 1983-03-01 | Air Products And Chemicals, Inc. | Lower power, freon refrigeration assisted air separation |
| JP2000337767A (en) | 1999-05-26 | 2000-12-08 | Air Liquide Japan Ltd | Air separating method and air separating facility |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1431977A (en) * | 1964-03-07 | 1966-03-18 | Stamicarbon | Process for separating lactams from a strong sulfuric acid medium |
| DE1770745A1 (en) * | 1968-06-28 | 1971-11-25 | Hansdieter Hofmann | Process for the production of pure caprolactam |
-
1972
- 1972-08-03 NL NL7210626A patent/NL7210626A/xx not_active Application Discontinuation
-
1973
- 1973-07-27 GB GB3590873A patent/GB1401094A/en not_active Expired
- 1973-07-31 DE DE19732338784 patent/DE2338784A1/en not_active Withdrawn
- 1973-08-01 IT IT51784/73A patent/IT1046302B/en active
- 1973-08-01 AR AR249406A patent/AR195442A1/en active
- 1973-08-02 FR FR7328298A patent/FR2194704B2/fr not_active Expired
- 1973-08-02 CH CH1125273A patent/CH592057A5/xx not_active IP Right Cessation
- 1973-08-02 ES ES417501A patent/ES417501A2/en not_active Expired
- 1973-08-03 BR BR5956/73A patent/BR7305956D0/en unknown
- 1973-08-03 BE BE134192A patent/BE803171R/en not_active IP Right Cessation
- 1973-08-03 JP JP48087429A patent/JPS4945054A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1431977A (en) * | 1964-03-07 | 1966-03-18 | Stamicarbon | Process for separating lactams from a strong sulfuric acid medium |
| DE1770745A1 (en) * | 1968-06-28 | 1971-11-25 | Hansdieter Hofmann | Process for the production of pure caprolactam |
Also Published As
| Publication number | Publication date |
|---|---|
| AR195442A1 (en) | 1973-10-08 |
| NL7210626A (en) | 1974-02-05 |
| IT1046302B (en) | 1980-06-30 |
| JPS4945054A (en) | 1974-04-27 |
| CH592057A5 (en) | 1977-10-14 |
| BE803171R (en) | 1974-02-04 |
| DE2338784A1 (en) | 1974-02-14 |
| ES417501A2 (en) | 1977-07-16 |
| GB1401094A (en) | 1975-07-16 |
| FR2194704B2 (en) | 1979-01-26 |
| BR7305956D0 (en) | 1974-07-18 |