JPS623200B2 - - Google Patents

Info

Publication number
JPS623200B2
JPS623200B2 JP13976779A JP13976779A JPS623200B2 JP S623200 B2 JPS623200 B2 JP S623200B2 JP 13976779 A JP13976779 A JP 13976779A JP 13976779 A JP13976779 A JP 13976779A JP S623200 B2 JPS623200 B2 JP S623200B2
Authority
JP
Japan
Prior art keywords
copolymer
maleic anhydride
olefin
reaction
alcohol
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
JP13976779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5665091A (en
Inventor
Jotaro Nagai
Kenji Shiowaki
Shinsaku Watanabe
Fujio Yoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOHO KAGAKU KOGYO KK
Original Assignee
TOHO KAGAKU KOGYO KK
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 TOHO KAGAKU KOGYO KK filed Critical TOHO KAGAKU KOGYO KK
Priority to JP13976779A priority Critical patent/JPS5665091A/ja
Publication of JPS5665091A publication Critical patent/JPS5665091A/ja
Publication of JPS623200B2 publication Critical patent/JPS623200B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Carbonaceous Fuels (AREA)
JP13976779A 1979-10-31 1979-10-31 Residual fuel oil and crude oil composition with improved low-temperature fluidity Granted JPS5665091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13976779A JPS5665091A (en) 1979-10-31 1979-10-31 Residual fuel oil and crude oil composition with improved low-temperature fluidity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13976779A JPS5665091A (en) 1979-10-31 1979-10-31 Residual fuel oil and crude oil composition with improved low-temperature fluidity

Publications (2)

Publication Number Publication Date
JPS5665091A JPS5665091A (en) 1981-06-02
JPS623200B2 true JPS623200B2 (it) 1987-01-23

Family

ID=15252914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13976779A Granted JPS5665091A (en) 1979-10-31 1979-10-31 Residual fuel oil and crude oil composition with improved low-temperature fluidity

Country Status (1)

Country Link
JP (1) JPS5665091A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11193053B2 (en) 2017-04-13 2021-12-07 Bl Technologies, Inc. Wax inhibitors for oil compositions and methods of using wax inhibitors to reduce wax deposition from oil

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652611A (en) * 1982-04-12 1987-03-24 Mitsubishi Chemical Industries Limited Low-temperature fluidity improver
JPS58222190A (ja) * 1982-06-17 1983-12-23 Nippon Petrochem Co Ltd 石油中間留出燃料油組成物
US4654050A (en) * 1985-01-18 1987-03-31 The Lubrizol Corporation Esters of carboxy-containing interpolymers
GB8515974D0 (en) * 1985-06-24 1985-07-24 Shell Int Research Gasoline composition
GB8521393D0 (en) * 1985-08-28 1985-10-02 Exxon Chemical Patents Inc Middle distillate compositions
US4900331A (en) * 1988-10-31 1990-02-13 Conoco Inc. Oil compositions containing alkyl amine or alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic copound
US5055212A (en) * 1988-10-31 1991-10-08 Conoco Inc. Oil compositions containing alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic compound
US4992080A (en) * 1988-10-31 1991-02-12 Conoco Inc. Oil compositions containing alkyl amine derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic compound
US5214224A (en) * 1992-07-09 1993-05-25 Comer David G Dispersing asphaltenes in hydrocarbon refinery streams with α-olefin/maleic anhydride copolymer
US5232963A (en) * 1992-07-09 1993-08-03 Nalco Chemical Company Dispersing gums in hydrocarbon streams with β-olefin/maleic anhydride copolymer
US9212330B2 (en) * 2012-10-31 2015-12-15 Baker Hughes Incorporated Process for reducing the viscosity of heavy residual crude oil during refining

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854893A (en) * 1972-06-14 1974-12-17 Exxon Research Engineering Co Long side chain polymeric flow improvers for waxy hydrocarbon oils
JPS5015005A (it) * 1973-06-15 1975-02-17
JPS5481307A (en) * 1977-12-13 1979-06-28 Toho Kagaku Kougiyou Kk Liquid fuel composition
JPS5650995A (en) * 1979-10-03 1981-05-08 Nippon Petrochem Co Ltd Low-temperature flow characteristic improver for fuel oil and fuel oil composition containing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11193053B2 (en) 2017-04-13 2021-12-07 Bl Technologies, Inc. Wax inhibitors for oil compositions and methods of using wax inhibitors to reduce wax deposition from oil
US11261369B2 (en) 2017-04-13 2022-03-01 Bl Technologies, Inc. Maleic anhydride copolymer with broadly dispersed ester side chain as wax inhibitor and wax crystallization enhancer

Also Published As

Publication number Publication date
JPS5665091A (en) 1981-06-02

Similar Documents

Publication Publication Date Title
US4650596A (en) Pour point depressants for paraffin solutions
RU2156277C2 (ru) Присадка двойного действия, композиция присадок и топливо
JP3605130B2 (ja) 無水α,β−不飽和ジカルボン酸、α,β−不飽和化合物および低級不飽和アルコールのポリオキシアルキレンエーテルに基づくターポリマー
US5441545A (en) Middle distillate compositions with improved low temperature properties
US4608411A (en) Grafted ethylene polymers usable more especially as additives for inhibiting the deposition of paraffins in crude oils and compositions containing the oils and said additives
JPS623200B2 (it)
GB2160536A (en) Polymeric additives usable for inhibition of the deposit of paraffins in crude oils
US4074978A (en) Combination of asphaltenes with flow improver polymers to improve the flow properties of high boiling fuel oils
US5423890A (en) Fuel oil additive and compositions
US4022590A (en) Low pour waxy residual fuel oils
US2411178A (en) Oil composition
EP0255345A1 (en) Liquid fuel compositions
US4255159A (en) Polymer combinations useful in fuel oil to improve cold flow properties
JPH0252679B2 (it)
USRE30238E (en) Additives to improve the flow of heavy fuels and crude oils
JPS60144309A (ja) 低温流動性向上用ポリマ−およびその製造方法
JPH0546876B2 (it)
EP0654526A2 (en) Cloud point depressant composition
US5032145A (en) Low temperature fluidity improver and compositions thereof
US5718821A (en) Copolymers of ethylenically unsaturated carboxylic acid esters with polyoxyalkylene ethers of lower, unsaturated alcohols as flow-improving agents for paraffin containing oils
JPS5839472B2 (ja) 燃料油の流動性改良添加剤
RU2100410C1 (ru) Нефтяная композиция
JPH0210196B2 (it)
JPS5929637B2 (ja) 炭化水素油の流動特性改良用組成物
JP2773316B2 (ja) 重質燃料油組成物