CA1143317A - Polyvinylpyrrolidone dewaxing aid for bright stocks - Google Patents

Polyvinylpyrrolidone dewaxing aid for bright stocks

Info

Publication number
CA1143317A
CA1143317A CA000340723A CA340723A CA1143317A CA 1143317 A CA1143317 A CA 1143317A CA 000340723 A CA000340723 A CA 000340723A CA 340723 A CA340723 A CA 340723A CA 1143317 A CA1143317 A CA 1143317A
Authority
CA
Canada
Prior art keywords
solvent
dewaxing
oil
wax
polyvinylpyrrolidone
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
Application number
CA000340723A
Other languages
English (en)
French (fr)
Inventor
David H. Shaw
Biddanda U. Achia
Original Assignee
Imperial Oil Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imperial Oil Ltd filed Critical Imperial Oil Ltd
Application granted granted Critical
Publication of CA1143317A publication Critical patent/CA1143317A/en
Expired legal-status Critical Current

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)
CA000340723A 1978-12-22 1979-11-27 Polyvinylpyrrolidone dewaxing aid for bright stocks Expired CA1143317A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/972,230 US4203824A (en) 1978-12-22 1978-12-22 Polyvinylpyrrolidone dewaxing aid for bright stocks
US972,230 1978-12-22

Publications (1)

Publication Number Publication Date
CA1143317A true CA1143317A (en) 1983-03-22

Family

ID=25519378

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000340723A Expired CA1143317A (en) 1978-12-22 1979-11-27 Polyvinylpyrrolidone dewaxing aid for bright stocks

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)

* Cited by examiner, † Cited by third party
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
US6525164B2 (en) * 2000-09-01 2003-02-25 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
US12146015B2 (en) 2020-06-15 2024-11-19 Hindustan Petroleum Corporation Limited Crosslinked polymer for dewaxing—preparation and implementations thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4203824A (en) 1980-05-20
DE2963756D1 (en) 1982-11-04
EP0013150A1 (en) 1980-07-09
JPS6247237B2 (enExample) 1987-10-07
EP0013150B1 (en) 1982-09-22
JPS5589392A (en) 1980-07-05

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Legal Events

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