BE781524A - Procede pour eviter le 'fouling' lors du fractionnement de melanges d'hydrocarbures contenant des hydrocarbures insatures - Google Patents
Procede pour eviter le 'fouling' lors du fractionnement de melanges d'hydrocarbures contenant des hydrocarbures insaturesInfo
- Publication number
- BE781524A BE781524A BE781524A BE781524A BE781524A BE 781524 A BE781524 A BE 781524A BE 781524 A BE781524 A BE 781524A BE 781524 A BE781524 A BE 781524A BE 781524 A BE781524 A BE 781524A
- Authority
- BE
- Belgium
- Prior art keywords
- fractioning
- fouling
- avoiding
- mixtures containing
- containing unsaturated
- Prior art date
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)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (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 (1)
Publication Number | Publication Date |
---|---|
BE781524A true BE781524A (fr) | 1972-10-02 |
Family
ID=5803555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE781524A BE781524A (fr) | 1971-04-01 | 1972-03-31 | Procede pour eviter le 'fouling' lors du fractionnement de melanges d'hydrocarbures contenant des hydrocarbures insatures |
Country Status (9)
Country | Link |
---|---|
US (1) | US3763018A (fr) |
AT (1) | AT314487B (fr) |
BE (1) | BE781524A (fr) |
CA (1) | CA963414A (fr) |
FR (1) | FR2132086B1 (fr) |
GB (1) | GB1375506A (fr) |
IT (1) | IT952489B (fr) |
NL (1) | NL7204099A (fr) |
SU (1) | SU490280A3 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319063A (en) * | 1978-11-06 | 1982-03-09 | Union Oil Company Of California | Process and compositions for reducing fouling of heat exchange surfaces |
US4390412A (en) * | 1978-11-06 | 1983-06-28 | 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 |
EP4090353A4 (fr) | 2020-01-13 | 2023-08-09 | Durect Corporation | Systèmes d'administration de médicament à libération prolongée avec impuretés réduites et procédés associés |
-
1972
- 1972-03-23 US US00237546A patent/US3763018A/en not_active Expired - Lifetime
- 1972-03-27 NL NL7204099A patent/NL7204099A/xx not_active Application Discontinuation
- 1972-03-27 CA CA138,259A patent/CA963414A/en not_active Expired
- 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 IT IT49377/72A patent/IT952489B/it active
- 1972-03-31 BE BE781524A patent/BE781524A/fr not_active IP Right Cessation
- 1972-03-31 AT AT281872A patent/AT314487B/de active
Also Published As
Publication number | Publication date |
---|---|
GB1375506A (fr) | 1974-11-27 |
DE2115858B2 (de) | 1977-03-24 |
NL7204099A (fr) | 1972-10-03 |
AT314487B (de) | 1974-04-10 |
SU490280A3 (ru) | 1975-10-30 |
FR2132086B1 (fr) | 1976-08-06 |
US3763018A (en) | 1973-10-02 |
IT952489B (it) | 1973-07-20 |
CA963414A (en) | 1975-02-25 |
DE2115858A1 (de) | 1972-10-12 |
FR2132086A1 (fr) | 1972-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BADISCHE ANILIN & SODAFABRIK A.G. Effective date: 19840331 |