NO20064252L - Additiver for raolje - Google Patents

Additiver for raolje

Info

Publication number
NO20064252L
NO20064252L NO20064252A NO20064252A NO20064252L NO 20064252 L NO20064252 L NO 20064252L NO 20064252 A NO20064252 A NO 20064252A NO 20064252 A NO20064252 A NO 20064252A NO 20064252 L NO20064252 L NO 20064252L
Authority
NO
Norway
Prior art keywords
alkyl
crude oils
aldehyde resin
alkylphenol
alkenyl
Prior art date
Application number
NO20064252A
Other languages
English (en)
Inventor
Matthias Krull
Michael Feustel
Carsten Cohrs
Heidi Rausch
Original Assignee
Clariant Produkte Deutschland
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 Clariant Produkte Deutschland filed Critical Clariant Produkte Deutschland
Publication of NO20064252L publication Critical patent/NO20064252L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/198Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1985Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/04Breaking emulsions
    • B01D17/047Breaking emulsions with separation aids
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/524Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/198Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1981Condensation polymers of aldehydes or ketones
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00Use of additives to fuels or fires for particular purposes
    • C10L10/14Use of additives to fuels or fires for particular purposes for improving low temperature properties
    • C10L10/16Pour-point depressants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00Use of additives to fuels or fires for particular purposes
    • C10L10/18Use of additives to fuels or fires for particular purposes use of detergents or dispersants for purposes not provided for in groups C10L10/02 - C10L10/16
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/101Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04Detergent property or dispersant property
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08Resistance to extreme temperature
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/24Emulsion properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

Det er beskrevet råoljer og derav fremstilte, destillasjonsrestholdige produkter, som inneholder minst en alkylfenol-aldehydharpisk med en gjentagende strukturenhet av formelen hvori R1 står for en forgrenet alkyl- eller alkenylrest med 10 til 40 C-atomer, som bærer minst en karboksyl-, karboksylat- og/eller estergruppe, R2 står for hydrogen eller R1 R3 står for hydrogen eller en alkoksygruppe med formelen -(A- O)m - H, der A står for C2- til C4-alkylengruppe, m står for et tall fra 1 til 100, R4 står for hydrogen, en C1 til C11 -alkylrest eller en karboksylgruppe, R5 står for C1 til C200 -alkyl eller alkenyl, O-R6 eller O-C(O)-R 6, R6 står for C1 til C200-alkyl eller alkenyl, n står foret tall fra 1 til 100, og k står for 1 eller 2, anvendelsen av alkylfenol-aldehydharpiksen for spaltning av emulsjoner av vann og råoljer og derav avledede produkter, anvendelsen av alkylfenol-aldehydharpiksen for forbedring av kaldflytevnen av råoljer og derav avledede produkter, og anvendelse av alkylfenol-aldehydharpiksen som asfaltendispergenter i råoljer og derav avledede produkter.
NO20064252A 2005-09-22 2006-09-20 Additiver for raolje NO20064252L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005045133A DE102005045133B4 (de) 2005-09-22 2005-09-22 Additive für Rohöle

Publications (1)

Publication Number Publication Date
NO20064252L true NO20064252L (no) 2007-03-23

Family

ID=37592470

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20064252A NO20064252L (no) 2005-09-22 2006-09-20 Additiver for raolje

Country Status (5)

Country Link
US (1) US8123930B2 (no)
EP (1) EP1767611B1 (no)
DE (2) DE102005045133B4 (no)
ES (1) ES2352963T3 (no)
NO (1) NO20064252L (no)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10307728B4 (de) * 2003-02-24 2005-09-22 Clariant Gmbh Korrosions-und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit und derartige Verbindungen
DE102005045134B4 (de) 2005-09-22 2010-12-30 Clariant Produkte (Deutschland) Gmbh Alkylphenol-Aldehydharze, diese enthaltende Zusammensetzungen zu Verbesserung der Kältefließfähigkeit und Schmierfähigkeit von Brennstoffölen sowie deren Verwendung
ES2731475T3 (es) * 2006-08-08 2019-11-15 Infineum Int Ltd Composición de aceite lubricante que contiene aditivos detergentes
US7781385B2 (en) 2006-08-08 2010-08-24 Infineum International Limited Lubricating oil composition
EP2171021B2 (en) 2007-07-20 2024-09-04 Innospec Limited Use of a conductivity improver in a hydrocarbon composition
US20090090047A1 (en) * 2007-10-04 2009-04-09 Baker Hughes Incorporated Additive Useful for Stabilizing Fuel Oils
DE102007060651B3 (de) 2007-12-15 2009-06-25 Clariant International Limited Asphalten-Dispergatoren auf Basis von Phosphonsäuren
US9034093B2 (en) * 2008-07-23 2015-05-19 Baker Hughes Incorporated Process for improving the transfer properties of bitumen
US8342198B2 (en) * 2008-08-27 2013-01-01 Baker Hughes Incorporated Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines
US9255043B2 (en) 2011-08-31 2016-02-09 Chevron Oronite Company Llc Liquid crude hydrocarbon composition
US9523054B2 (en) 2013-08-21 2016-12-20 Baker Hughes Incorporated Asphaltene stabilization in petroleum feedstocks by blending with biological source oil and/or chemical additive
CN103497842B (zh) * 2013-10-18 2015-10-21 北京科技大学 利用甲乙醇作为酯交换剂制备生物柴油的新方法
US9505994B2 (en) * 2014-02-05 2016-11-29 Baker Hughes Incorporated Antifoulants for use in hydrocarbon fluids
US9644161B2 (en) * 2014-04-11 2017-05-09 Baker Hughes Incorporated Plasticized latex formulations for improved pumpability
US9453830B2 (en) * 2014-08-29 2016-09-27 Ecolab Usa Inc. Quantification of asphaltene inhibitors in crude oil using thermal analysis coupled with mass spectrometry
US11008523B2 (en) 2014-10-17 2021-05-18 Cameron International Corporation Chemical inhibitors with sub-micron materials as additives for enhanced flow assurance
AU2017205434A1 (en) 2016-01-06 2018-07-05 Championx Usa Inc. Temperature-stable paraffin inhibitor compositions
AU2017205435B2 (en) 2016-01-06 2020-11-19 Championx Usa Inc. Temperature-stable paraffin inhibitor compositions
CA3019857C (en) * 2016-04-07 2024-06-25 Ecolab Usa Inc. Low logp molecules for depressing solidification point of paraffin inhibitor concentrates
US11083981B2 (en) * 2017-01-25 2021-08-10 Dorf Ketal Chemicals (India) Private Limited Demulsification additive composition, use thereof, and method of demulsification
US10858575B2 (en) 2017-06-02 2020-12-08 Championx Usa Inc. Temperature-stable corrosion inhibitor compositions and methods of use
US10858604B2 (en) * 2017-12-08 2020-12-08 Baker Hughes, A Ge Company, Llc Phenol aldehydes asphaltene inhibitors
EP3720920B1 (en) 2017-12-08 2024-01-24 Baker Hughes Holdings LLC Ionic liquid based well asphaltene inhibitors and methods of using the same
WO2019133430A1 (en) * 2017-12-28 2019-07-04 Ecolab Usa Inc. Preparation of desalter emulsion breakers
EP3731958B1 (en) * 2017-12-28 2024-02-07 Ecolab USA, Inc. Surfactant compositions and uses as inverters
CN108165302B (zh) * 2018-01-03 2020-09-11 德仕能源科技集团股份有限公司 一种针对凝析油水乳液破乳药剂的制备方法
CN111936539B (zh) * 2018-03-06 2023-09-29 Si集团有限公司 烷基酚共聚物
EA202091413A1 (ru) 2018-07-11 2020-09-24 Бейкер Хьюз Холдингз Ллк Скважинные ингибиторы асфальтенов на основе ионной жидкости и способы их применения
US11142713B2 (en) 2018-09-27 2021-10-12 Ecolab Usa Inc. Asphaltene-inhibiting method using aromatic polymer compositions
CN114026141A (zh) 2019-07-03 2022-02-08 Si集团有限公司 烷基酚共聚物
US11162036B1 (en) * 2020-05-13 2021-11-02 Baker Hughes Oilfield Operations Llc Polybenzoxazine asphaltene inhibitors
KR20240035547A (ko) 2021-07-16 2024-03-15 이노스펙 리미티드 연료유 조성물, 및 이와 관련된 방법 및 용도
GB202204084D0 (en) 2022-03-23 2022-05-04 Innospec Ltd Compositions, methods and uses
WO2024105387A1 (en) 2022-11-15 2024-05-23 Innospec Fuel Specialties Llc Compositions, methods and uses
WO2024105388A1 (en) 2022-11-15 2024-05-23 Innospec Fuel Specialties Llc Compositions, methods and uses
GB202401977D0 (en) 2023-02-14 2024-03-27 Innospec Fuel Specialties Llc Compositions, methods and uses

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089589A (en) * 1936-05-18 1937-08-10 Uvaney Stephen Wrench
US2499368A (en) * 1947-03-07 1950-03-07 Petrolite Corp Chemical manufacture
GB1173975A (en) * 1967-11-10 1969-12-10 Exxon Research Engineering Co Fuel Compositions
GB1167427A (en) * 1967-12-04 1969-10-15 Exxon Research Engineering Co Fuel Compositions
US4147854A (en) * 1975-06-11 1979-04-03 The B. F. Goodrich Company Liquid vinylidene terminated polymers
DE2719978C3 (de) * 1977-05-04 1980-09-25 Basf Ag, 6700 Ludwigshafen Erdölemulsionsspalter
US4211534A (en) * 1978-05-25 1980-07-08 Exxon Research & Engineering Co. Combination of ethylene polymer, polymer having alkyl side chains, and nitrogen containing compound to improve cold flow properties of distillate fuel oils
DE3405843A1 (de) * 1984-02-17 1985-08-29 Bayer Ag, 5090 Leverkusen Copolymere auf basis von maleinsaeureanhydrid und (alpha), (beta)-ungesaettigten verbindungen, ein verfahren zu ihrer herstellung und ihre verwendung als paraffininhibitoren
US4527701A (en) * 1984-08-29 1985-07-09 Owens-Illinois, Inc. Tamper indicating child resistant closure
US5039437A (en) * 1987-10-08 1991-08-13 Exxon Chemical Patents, Inc. Alkyl phenol-formaldehyde condensates as lubricating oil additives
DE3901930A1 (de) * 1989-01-24 1990-07-26 Hoechst Ag Verfahren zur herstellung von novolaken und deren verwendung
DE3916366A1 (de) 1989-05-19 1990-11-22 Basf Ag Neue umsetzungsprodukte von aminoalkylenpolycarbonsaeuren mit sekundaeren aminen und erdoelmitteldestillatzusammensetzungen, die diese enthalten
DE3926992A1 (de) * 1989-08-16 1991-02-21 Hoechst Ag Verwendung von umsetzungsprodukten von alkenylspirobislactonen und aminen als paraffindispergatoren
US5021498A (en) * 1989-11-08 1991-06-04 Nalco Chemical Company Asphaltene dispersants - inhibitors
CA2075749C (en) * 1991-08-12 2004-11-02 William K. Stephenson Desalting adjunct chemistry
GB9200694D0 (en) * 1992-01-14 1992-03-11 Exxon Chemical Patents Inc Additives and fuel compositions
DK0606055T3 (da) * 1993-01-06 1998-04-14 Clariant Gmbh Terpolymerer på basis af alfa,beta-umættede dicarboxylsyreanhydrider, alfa-beta-umættede forbindelser og polyoxyalkylenethere af lavere umættede alkoholer
DE4430294A1 (de) * 1994-08-26 1996-02-29 Basf Ag Polymermischungen und ihre Verwendung als Zusatz für Erdölmitteldestillate
US5707946A (en) * 1996-04-08 1998-01-13 The Lubrizol Corporation Pour point depressants and their use
AU701875B2 (en) * 1995-09-08 1999-02-11 Lubrizol Corporation, The Pour point depressants and their use
GB9621231D0 (en) * 1996-10-11 1996-11-27 Exxon Chemical Patents Inc Low sulfer fuels with lubricity additive
GB9621262D0 (en) * 1996-10-11 1996-11-27 Exxon Chemical Patents Inc Lubricity additives for fuel oil compositions
EP0857776B2 (de) * 1997-01-07 2007-05-02 Clariant Produkte (Deutschland) GmbH Verbesserung der Fliessfähigkeit von Mineralölen und Mineralöldestillaten unter Verwendung von Alkylphenol-Aldehydharzen
DE19709797A1 (de) * 1997-03-10 1998-09-17 Clariant Gmbh Synergistische Mischungen von Alkylphenolformaldehydharzen mit oxalkylierten Aminen als Asphalten-Dispergatoren
GB9810994D0 (en) * 1998-05-22 1998-07-22 Exxon Chemical Patents Inc Additives and oil compositions
DE19916946C1 (de) * 1999-04-15 2000-07-27 Clariant Gmbh Aromatische Aldehydharze und ihre Verwendung als Emulsionsspalter
CA2412740A1 (en) * 2000-06-15 2002-12-13 Clariant International Ltd Additives for improving the cold flow properties and the storage stability of crude oil
DE10106144C2 (de) * 2001-02-10 2003-02-20 Clariant Gmbh Verwendung von Cardanol-Aldehydharzen als Asphalten-Dispergatoren in Rohölen
US7041738B2 (en) * 2002-07-09 2006-05-09 Clariant Gmbh Cold flow improvers for fuel oils of vegetable or animal origin
DE602004030391D1 (de) * 2003-05-29 2011-01-20 Infineum Int Ltd Eine Brennstoffölzusammensetzung

Also Published As

Publication number Publication date
EP1767611A2 (de) 2007-03-28
DE102005045133B4 (de) 2008-07-03
EP1767611B1 (de) 2010-11-24
EP1767611A3 (de) 2009-11-18
US8123930B2 (en) 2012-02-28
ES2352963T3 (es) 2011-02-24
DE502006008377D1 (de) 2011-01-05
US20070221539A1 (en) 2007-09-27
DE102005045133A1 (de) 2007-04-05

Similar Documents

Publication Publication Date Title
NO20064252L (no) Additiver for raolje
UA95913C2 (ru) Соединение, пригодное как присадка к топливу, способ ее получения, композиция присадки и топливо
DK2032589T3 (da) Opløsningsmiddelsystem til fremstilling af N-alkylthiophosphorsyretriamid-opløsninger, sammensætning, som indeholder N-alkylthiophosphorsyretriamid, og anvendelse deraf
BR0112081A (pt) Composição de óleo vegetal biodegradável
RU2010105082A (ru) Синергическая смесь
FI951965A (fi) Öljylisäaineet ja koostumukset
KR950701967A (ko) 안정된 포스페이트 에스테르-기초 기능성 유체 조성물
DK2097475T3 (da) Flusmiddel og anvendelser deraf
CO6170371A2 (es) Composiciones de combustible que contienen farnesano y derivados de farnasano y metodo de preparacion y uso de estas
RU2011125979A (ru) Антиоксидантные композиции
RU2008118099A (ru) Применение белков в качестве антивспенивающих компонентов в топливах
EA200401138A1 (ru) Способ получения углеводородных жидкостей
RS51389B (en) BENZIMIDAZOLE COMPOUNDS
EA201001019A1 (ru) Диспергаторы асфальтенов на основе фосфоновых кислот
TW200745201A (en) Optoelectronic devices with multilayered structures
AR025973A1 (es) Composiciones para prevenir la precipitacion de asfaltenos en petroleo crudo, procedimiento para prevenir la precipitacion de asfaltenos solidos enpetroleo crudo y empleo de las mismas
DE69918465D1 (de) Sulfonamidhydroxamate
BRPI0607173A2 (pt) sìntese regiosseletiva de sacarose-6-ésteres mediada por estanho e compostos obtidos
SE0300005D0 (sv) Fuel Additives
AR023729A1 (es) Copolimeros, su empleo como aditivos para el mejoramiento de las propiedades de fluencia en frio de destilados medios y combustibles que lo contienen
MA30996B1 (fr) Derives de pyrrole, leur preparation et leur utilisation en therapeutique
ES2524726T3 (es) Método para marcar hidrocarburos líquidos y otros combustibles y aceites
TW200502695A (en) Basic compound, resist composition and patterning process
KR950703514A (ko) 유성 조성물(oleaginous compositions)
AR067718A1 (es) Compuesto de 9-desoxo-9a-metil-9a-aza-9a-homoeritromicina a 2'-0-sustituida, compuesto intermedio para la preparacion del mismo y su uso como tal, proceso para la preparacion del compuesto, y su uso para la preparacion de un medicamento

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application