FI62333C - Foerfarande foer framstaellning av en transformatorolja - Google Patents
Foerfarande foer framstaellning av en transformatorolja Download PDFInfo
- Publication number
- FI62333C FI62333C FI772480A FI772480A FI62333C FI 62333 C FI62333 C FI 62333C FI 772480 A FI772480 A FI 772480A FI 772480 A FI772480 A FI 772480A FI 62333 C FI62333 C FI 62333C
- Authority
- FI
- Finland
- Prior art keywords
- extract
- weight
- solvent
- solvate
- distillation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
- H01B3/22—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/12—Electrical isolation oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Lubricants (AREA)
- Organic Insulating Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2641055 | 1976-09-11 | ||
DE2641055A DE2641055C3 (de) | 1976-09-11 | 1976-09-11 | Verfahren zur Herstellung einer alterungsbeständigen Mineralölfraktion |
Publications (3)
Publication Number | Publication Date |
---|---|
FI772480A FI772480A (fi) | 1978-03-12 |
FI62333B FI62333B (fi) | 1982-08-31 |
FI62333C true FI62333C (fi) | 1982-12-10 |
Family
ID=5987738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI772480A FI62333C (fi) | 1976-09-11 | 1977-08-19 | Foerfarande foer framstaellning av en transformatorolja |
Country Status (15)
Country | Link |
---|---|
US (1) | US4303499A (de) |
JP (1) | JPS5335706A (de) |
AT (1) | AT364873B (de) |
BE (1) | BE858484A (de) |
CA (1) | CA1103601A (de) |
CH (1) | CH636900A5 (de) |
DE (1) | DE2641055C3 (de) |
DK (1) | DK403077A (de) |
ES (1) | ES461957A1 (de) |
FI (1) | FI62333C (de) |
FR (1) | FR2364264A1 (de) |
IT (1) | IT1084530B (de) |
NL (1) | NL7709893A (de) |
SE (1) | SE423717B (de) |
YU (1) | YU39498B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01161090A (ja) * | 1987-12-18 | 1989-06-23 | Kiyouseki Seihin Gijutsu Kenkyusho:Kk | 電気絶縁油の製造方法 |
US7666295B2 (en) * | 2005-10-20 | 2010-02-23 | Ergon Refining, Inc. | Uninhibited electrical insulating oil |
US20080281292A1 (en) * | 2006-10-16 | 2008-11-13 | Hickingbotham Dyson W | Retractable Injection Port |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB589150A (en) * | 1944-12-14 | 1947-06-12 | James Campbell Wood Mallock | Improvements in or relating to the manufacture of oils for electrical insulating purposes |
GB752512A (en) * | 1954-06-17 | 1956-07-11 | Shell Res Ltd | A process for the manufacture of an electrical insulating oil |
US3093576A (en) * | 1959-10-26 | 1963-06-11 | Sumner E Campbell | Refining of crude petroleum |
US3627673A (en) * | 1969-01-28 | 1971-12-14 | Exxon Research Engineering Co | Process for producing low-pour point transformer oils from waxy crudes |
US4033854A (en) * | 1974-12-02 | 1977-07-05 | Nippon Oil Company, Ltd. | Electrical insulating oils |
-
1976
- 1976-09-11 DE DE2641055A patent/DE2641055C3/de not_active Expired
-
1977
- 1977-07-27 CH CH927477A patent/CH636900A5/de not_active IP Right Cessation
- 1977-07-28 AT AT0556077A patent/AT364873B/de active
- 1977-08-19 FI FI772480A patent/FI62333C/fi not_active IP Right Cessation
- 1977-08-30 ES ES461957A patent/ES461957A1/es not_active Expired
- 1977-09-02 CA CA286,031A patent/CA1103601A/en not_active Expired
- 1977-09-07 BE BE180737A patent/BE858484A/xx not_active IP Right Cessation
- 1977-09-08 IT IT27387/77A patent/IT1084530B/it active
- 1977-09-08 FR FR7727232A patent/FR2364264A1/fr active Granted
- 1977-09-08 YU YU2148/77A patent/YU39498B/xx unknown
- 1977-09-08 NL NL7709893A patent/NL7709893A/xx not_active Application Discontinuation
- 1977-09-09 DK DK403077A patent/DK403077A/da not_active Application Discontinuation
- 1977-09-12 SE SE7710202A patent/SE423717B/xx unknown
- 1977-09-12 JP JP10978177A patent/JPS5335706A/ja active Pending
-
1979
- 1979-02-09 US US06/010,873 patent/US4303499A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK403077A (da) | 1978-03-12 |
NL7709893A (nl) | 1978-03-14 |
FR2364264B1 (de) | 1984-05-11 |
JPS5335706A (en) | 1978-04-03 |
YU39498B (en) | 1984-12-31 |
ATA556077A (de) | 1981-04-15 |
DE2641055B2 (de) | 1981-05-27 |
FI62333B (fi) | 1982-08-31 |
SE423717B (sv) | 1982-05-24 |
DE2641055C3 (de) | 1982-09-09 |
DE2641055A1 (de) | 1978-03-16 |
SE7710202L (sv) | 1978-03-12 |
US4303499A (en) | 1981-12-01 |
YU214877A (en) | 1982-08-31 |
ES461957A1 (es) | 1978-06-01 |
CA1103601A (en) | 1981-06-23 |
AT364873B (de) | 1981-11-25 |
IT1084530B (it) | 1985-05-25 |
CH636900A5 (de) | 1983-06-30 |
BE858484A (fr) | 1978-03-07 |
FI772480A (fi) | 1978-03-12 |
FR2364264A1 (fr) | 1978-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: DEUTSCHE TEXACO AKTIENGESELLSCHAFT |