JPS6247237B2 - - Google Patents
Info
- Publication number
- JPS6247237B2 JPS6247237B2 JP54165792A JP16579279A JPS6247237B2 JP S6247237 B2 JPS6247237 B2 JP S6247237B2 JP 54165792 A JP54165792 A JP 54165792A JP 16579279 A JP16579279 A JP 16579279A JP S6247237 B2 JPS6247237 B2 JP S6247237B2
- Authority
- JP
- Japan
- Prior art keywords
- dewaxing
- wax
- oil
- solvent
- ketone
- Prior art date
- 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
- 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
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
- C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/972,230 US4203824A (en) | 1978-12-22 | 1978-12-22 | Polyvinylpyrrolidone dewaxing aid for bright stocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5589392A JPS5589392A (en) | 1980-07-05 |
| JPS6247237B2 true JPS6247237B2 (enExample) | 1987-10-07 |
Family
ID=25519378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16579279A Granted JPS5589392A (en) | 1978-12-22 | 1979-12-21 | Polyvinylpyrrolidone dewaxing aid for bright stock |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4203824A (enExample) |
| EP (1) | EP0013150B1 (enExample) |
| JP (1) | JPS5589392A (enExample) |
| CA (1) | CA1143317A (enExample) |
| DE (1) | DE2963756D1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0300103B1 (en) * | 1987-07-23 | 1991-11-06 | Exxon Research And Engineering Company | Wax crystal modification using dewaxing aids under agitated conditions |
| US5525234A (en) * | 1992-11-02 | 1996-06-11 | King Lee Technologies | Method of improving the reverse osmosis dewatering of an aqueous caffine stream |
| AU2001288663A1 (en) * | 2000-09-01 | 2002-03-13 | Cyclics Corporation | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters |
| JP3841404B2 (ja) | 2002-02-22 | 2006-11-01 | 東邦化学工業株式会社 | 新規脱ロウ助剤 |
| WO2021255747A1 (en) | 2020-06-15 | 2021-12-23 | Hindustan Petroleum Corporation Limited | A crosslinked polymer for dewaxing – preparation and implementations thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808665A (en) * | 1956-03-23 | 1959-02-11 | Exxon Research Engineering Co | Oils containing copolymers |
| NL275831A (enExample) * | 1961-03-15 | |||
| NL141571B (nl) * | 1962-08-06 | 1974-03-15 | Shell Int Research | Werkwijze voor het ontparaffineren van een paraffine bevattende koolwaterstofolie. |
| US3449236A (en) * | 1966-04-27 | 1969-06-10 | Exxon Research Engineering Co | Dewaxing aid composition |
-
1978
- 1978-12-22 US US05/972,230 patent/US4203824A/en not_active Expired - Lifetime
-
1979
- 1979-11-27 CA CA000340723A patent/CA1143317A/en not_active Expired
- 1979-12-20 EP EP79302993A patent/EP0013150B1/en not_active Expired
- 1979-12-20 DE DE7979302993T patent/DE2963756D1/de not_active Expired
- 1979-12-21 JP JP16579279A patent/JPS5589392A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0013150A1 (en) | 1980-07-09 |
| EP0013150B1 (en) | 1982-09-22 |
| US4203824A (en) | 1980-05-20 |
| JPS5589392A (en) | 1980-07-05 |
| DE2963756D1 (en) | 1982-11-04 |
| CA1143317A (en) | 1983-03-22 |
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