FR2132086B1 - - Google Patents
Info
- Publication number
- FR2132086B1 FR2132086B1 FR7210674A FR7210674A FR2132086B1 FR 2132086 B1 FR2132086 B1 FR 2132086B1 FR 7210674 A FR7210674 A FR 7210674A FR 7210674 A FR7210674 A FR 7210674A FR 2132086 B1 FR2132086 B1 FR 2132086B1
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712115858 DE2115858C3 (de) | 1971-04-01 | Verfahren zum Stabilisieren von Butadien oder von Isopren und/oder Cyclopentadien bei deren Gewinnung aus Kohlenwasserstoffgemischen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2132086A1 FR2132086A1 (enExample) | 1972-11-17 |
| FR2132086B1 true FR2132086B1 (enExample) | 1976-08-06 |
Family
ID=5803555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210674A Expired FR2132086B1 (enExample) | 1971-04-01 | 1972-03-27 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3763018A (enExample) |
| AT (1) | AT314487B (enExample) |
| BE (1) | BE781524A (enExample) |
| CA (1) | CA963414A (enExample) |
| FR (1) | FR2132086B1 (enExample) |
| GB (1) | GB1375506A (enExample) |
| IT (1) | IT952489B (enExample) |
| NL (1) | NL7204099A (enExample) |
| SU (1) | SU490280A3 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390412A (en) * | 1978-11-06 | 1983-06-28 | Union Oil Company Of California | Process and compositions for reducing fouling of heat exchange surfaces |
| US4319063A (en) * | 1978-11-06 | 1982-03-09 | Union Oil Company Of California | Process and compositions for reducing fouling of heat exchange surfaces |
| US4551226A (en) * | 1982-02-26 | 1985-11-05 | Chevron Research Company | Heat exchanger antifoulant |
| US4456526A (en) * | 1982-09-24 | 1984-06-26 | Atlantic Richfield Company | Method for minimizing fouling of heat exchangers |
| US4532011A (en) * | 1984-03-02 | 1985-07-30 | The Goodyear Tire & Rubber Company | Inhibiting polymerization of vinylaromatic monomers |
| US20070027105A1 (en) * | 2005-07-26 | 2007-02-01 | Alza Corporation | Peroxide removal from drug delivery vehicle |
| WO2021146215A1 (en) | 2020-01-13 | 2021-07-22 | Durect Corporation | Sustained release drug delivery systems with reduced impurities and related methods |
| JP2024503402A (ja) | 2021-01-12 | 2024-01-25 | デュレクト コーポレーション | 徐放性薬物送達システム及び関連の方法 |
-
1972
- 1972-03-23 US US00237546A patent/US3763018A/en not_active Expired - Lifetime
- 1972-03-27 CA CA138,259A patent/CA963414A/en not_active Expired
- 1972-03-27 NL NL7204099A patent/NL7204099A/xx not_active Application Discontinuation
- 1972-03-27 FR FR7210674A patent/FR2132086B1/fr not_active Expired
- 1972-03-29 GB GB1470172A patent/GB1375506A/en not_active Expired
- 1972-03-30 SU SU1766163A patent/SU490280A3/ru active
- 1972-03-31 BE BE781524A patent/BE781524A/xx not_active IP Right Cessation
- 1972-03-31 IT IT49377/72A patent/IT952489B/it active
- 1972-03-31 AT AT281872A patent/AT314487B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| AT314487B (de) | 1974-04-10 |
| FR2132086A1 (enExample) | 1972-11-17 |
| GB1375506A (enExample) | 1974-11-27 |
| NL7204099A (enExample) | 1972-10-03 |
| SU490280A3 (ru) | 1975-10-30 |
| DE2115858A1 (de) | 1972-10-12 |
| US3763018A (en) | 1973-10-02 |
| DE2115858B2 (de) | 1977-03-24 |
| CA963414A (en) | 1975-02-25 |
| BE781524A (fr) | 1972-10-02 |
| IT952489B (it) | 1973-07-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |