ES542428A0 - Procedimiento de preparacion de una olefina polisulfurada. - Google Patents

Procedimiento de preparacion de una olefina polisulfurada.

Info

Publication number
ES542428A0
ES542428A0 ES542428A ES542428A ES542428A0 ES 542428 A0 ES542428 A0 ES 542428A0 ES 542428 A ES542428 A ES 542428A ES 542428 A ES542428 A ES 542428A ES 542428 A0 ES542428 A0 ES 542428A0
Authority
ES
Spain
Prior art keywords
polysulfured
olefine
procedure
preparation
polysulfured olefine
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.)
Granted
Application number
ES542428A
Other languages
English (en)
Other versions
ES8701219A1 (es
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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
Priority claimed from FR8406278A external-priority patent/FR2563231B1/fr
Priority claimed from FR8415641A external-priority patent/FR2571380B2/fr
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of ES8701219A1 publication Critical patent/ES8701219A1/es
Publication of ES542428A0 publication Critical patent/ES542428A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/02—Sulfurised compounds
    • C10M135/04—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G99/00—Subject matter not provided for in other groups of this subclass
    • C07G99/002—Compounds of unknown constitution containing sulfur
    • C07G99/0022—Compounds of unknown constitution containing sulfur derived from hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/02—Sulfurised compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/286—Esters of polymerised unsaturated acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/042—Metal salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
ES542428A 1984-04-20 1985-04-19 Procedimiento de preparacion de una olefina polisulfurada. Expired ES8701219A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8406278A FR2563231B1 (fr) 1984-04-20 1984-04-20 Procede de preparation d'olefines polysulfurees, les produits obtenus et leur utilisation comme additifs pour lubrifiants
FR8415641A FR2571380B2 (fr) 1984-10-10 1984-10-10 Procede de preparation d'olefines polysulfurees, les produits obtenus et leur utilisation comme additifs pour lubrifiants

Publications (2)

Publication Number Publication Date
ES8701219A1 ES8701219A1 (es) 1986-11-16
ES542428A0 true ES542428A0 (es) 1986-11-16

Family

ID=26223926

Family Applications (1)

Application Number Title Priority Date Filing Date
ES542428A Expired ES8701219A1 (es) 1984-04-20 1985-04-19 Procedimiento de preparacion de una olefina polisulfurada.

Country Status (9)

Country Link
US (1) US4645610A (es)
EP (1) EP0159936B1 (es)
AU (1) AU574163B2 (es)
BR (1) BR8501889A (es)
CA (1) CA1242189A (es)
DE (1) DE3560285D1 (es)
ES (1) ES8701219A1 (es)
IN (1) IN164463B (es)
MX (1) MX167580B (es)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU579388B2 (en) * 1985-06-11 1988-11-24 Courtaulds Aerospace, Inc. Mercaptan terminated polymer film
FR2588881B1 (fr) * 1985-10-18 1988-01-15 Inst Francais Du Petrole Compositions d'olefines polysulfurees, leur preparation et leur utilisation comme additifs pour lubrifiants
FR2605328B1 (fr) * 1986-10-17 1989-08-04 Inst Francais Du Petrole Compositions d'olefines polysulfurees, leur preparation et leur utilisation comme additifs pour lubrifiants.
US4764297A (en) * 1987-03-20 1988-08-10 The Lubrizol Corporation Protic solvent in a dehydrohalogenation process, the product obtained therefrom and lubricant compositions containing same
EP0493368A3 (en) * 1987-03-20 1992-09-02 The Lubrizol Corporation Process for producing sulfurized olefins
DE3861262D1 (de) * 1987-05-27 1991-01-24 Inst Francais Du Petrole Verfahren zur herstellung von polysulfurierten olefin-zusammensetzungen mit hohem schwefel-und sehr niedrigem chlorgehalt.
US5286395A (en) * 1987-05-27 1994-02-15 Institut Francais Du Petrole Olefin polysulfide compositions of high sulfur content and very low chlorine content, their manufacture and use as additives for lubricants
FR2615861B1 (fr) * 1987-05-27 1990-05-04 Inst Francais Du Petrole Compositions d'olefines polysulfurees a teneur en soufre elevee et a tres faible teneur en chlore, leur preparation et leur utilisation comme additifs pour lubrifiants
FR2626278B1 (fr) * 1988-01-22 1990-05-18 Inst Francais Du Petrole Compositions d'olefines polysulfurees a teneur en soufre elevee et a tres faible teneur en chlore, leur preparation et leur utilisation comme additifs pour lubrifiants
FR2624133B1 (fr) * 1987-12-02 1990-09-14 Inst Francais Du Petrole Compositions d'olefines polysulfurees, leur preparation et leur utilisation comme additifs pour lubrifiants
US4954274A (en) * 1987-12-29 1990-09-04 Zaweski Edward F Sulfurized olefin extreme pressure additives
FR2627105B3 (fr) * 1988-02-16 1990-06-08 Inst Francais Du Petrole Procede de presulfuration de catalyseur de traitement d'hydrocarbures
FR2627104B1 (fr) * 1988-02-16 1990-07-20 Inst Francais Du Petrole Procede de presulfuration de catalyseur de traitement d'hydrocarbures
FR2636070B1 (fr) * 1988-09-07 1994-05-06 Institut Francais Petrole Compositions d'olefines polysulfurees, leur preparation et leur utilisation comme additifs pour lubrifiants
US4966720A (en) * 1989-01-31 1990-10-30 Ethyl Petroleum Additives, Inc. Oil soluble sulfurized olefins and two temperature zone process for their preparation
CA2007144A1 (en) * 1989-01-31 1990-07-31 David J. Degonia Hydrotreated oil soluble sulfurized olefins and their preparation
CA2021224A1 (en) * 1989-08-03 1991-02-04 Scott Anthony Culley Sulfurized olefin polymers soluble in polyalphaolefin lubricant oils
US5174922A (en) * 1989-11-13 1992-12-29 Ethyl Petroleum Additives, Inc. Reducing copper corrosiveness of organic polysulfides
US5062976A (en) * 1990-06-28 1991-11-05 Mobil Oil Corporation Process for preparing an extreme pressure lubricating oil additive
EP0544745A4 (en) * 1990-08-14 1993-09-29 Mobil Oil Corporation Improved sulfurized olefin extreme pressure/antiwear additives
US5415794A (en) * 1990-12-28 1995-05-16 Institut Francais Du Petrole New sulfured compounds, their preparation and their use as additives for lubricating oils
US5410088A (en) * 1991-08-01 1995-04-25 Ethyl Petroleum Additives, Inc. Process for sulfurized olefinic product
US5403960A (en) * 1991-08-01 1995-04-04 Ethyl Petroleum Additives, Inc. Process for sulfurized olefinic product
CA2074209A1 (en) * 1991-08-01 1993-02-02 Peggy Jo Harris Process for polysulfurized polyalkylene product
US5250737A (en) * 1992-01-31 1993-10-05 Ethyl Corporation Process for hydrocarbyl trisulfide product
US5552068A (en) * 1993-08-27 1996-09-03 Exxon Research And Engineering Company Lubricant composition containing amine phosphate
JP3555844B2 (ja) * 1999-04-09 2004-08-18 三宅 正二郎 摺動部材およびその製造方法
JP2004138128A (ja) 2002-10-16 2004-05-13 Nissan Motor Co Ltd 自動車エンジン用摺動部材
US6969198B2 (en) 2002-11-06 2005-11-29 Nissan Motor Co., Ltd. Low-friction sliding mechanism
JP3891433B2 (ja) * 2003-04-15 2007-03-14 日産自動車株式会社 燃料噴射弁
EP1479946B1 (en) * 2003-05-23 2012-12-19 Nissan Motor Co., Ltd. Piston for internal combustion engine
EP1482190B1 (en) 2003-05-27 2012-12-05 Nissan Motor Company Limited Rolling element
JP2005008851A (ja) * 2003-05-29 2005-01-13 Nissan Motor Co Ltd 硬質炭素薄膜付き機械加工工具用切削油及び硬質炭素薄膜付き機械加工工具
JP2004360649A (ja) 2003-06-06 2004-12-24 Nissan Motor Co Ltd エンジン用ピストンピン
JP4863152B2 (ja) * 2003-07-31 2012-01-25 日産自動車株式会社 歯車
EP1666573B1 (en) * 2003-08-06 2019-05-15 Nissan Motor Company Limited Low-friction sliding mechanism and method of friction reduction
JP2005054617A (ja) 2003-08-08 2005-03-03 Nissan Motor Co Ltd 動弁機構
JP4973971B2 (ja) * 2003-08-08 2012-07-11 日産自動車株式会社 摺動部材
JP4117553B2 (ja) * 2003-08-13 2008-07-16 日産自動車株式会社 チェーン駆動装置
EP1507088B1 (en) 2003-08-13 2007-08-29 Nissan Motor Company, Limited Structure for connecting piston to crankshaft
JP4539205B2 (ja) 2003-08-21 2010-09-08 日産自動車株式会社 冷媒圧縮機
US7771821B2 (en) * 2003-08-21 2010-08-10 Nissan Motor Co., Ltd. Low-friction sliding member and low-friction sliding mechanism using same
EP1508611B1 (en) 2003-08-22 2019-04-17 Nissan Motor Co., Ltd. Transmission comprising low-friction sliding members and transmission oil therefor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2257290A (en) * 1938-06-11 1941-09-30 Standard Oil Co Organic sulphur compound and composition thereof
US2565493A (en) * 1947-11-15 1951-08-28 Sinclair Refining Co Method for the preparation of sulfurized paraffins
US2790775A (en) * 1951-03-19 1957-04-30 Standard Oil Co Cutting oil composition
US2708199A (en) * 1951-10-24 1955-05-10 Continental Oil Co Preparation of organic polysulfides
US2744070A (en) * 1952-12-22 1956-05-01 Continental Oil Co Soluble cutting oil
US2790833A (en) * 1954-09-13 1957-04-30 Standard Oil Co Method of preparing aryl polysulfides
US3471404A (en) * 1967-03-06 1969-10-07 Mobil Oil Corp Lubricating compositions containing polysulfurized olefin
US3697499A (en) * 1969-05-15 1972-10-10 Mobil Oil Corp Polysulfurized olefins
US4344854A (en) * 1975-03-21 1982-08-17 The Lubrizol Corporation Sulfurized compositions
US4132659A (en) * 1977-12-30 1979-01-02 Chevron Research Company Sulfur and chlorine-containing lubricating oil additive
US4225488A (en) * 1978-07-25 1980-09-30 Mobil Oil Corporation Process for making sulfurized olefins
US4204969A (en) * 1978-10-10 1980-05-27 Edwin Cooper, Inc. Lubricant composition containing sulfurized olefin extreme pressure additive
US4240958A (en) * 1978-12-20 1980-12-23 Mobil Oil Corporation Process of preparing sulfurized olefins
US4217232A (en) * 1978-12-21 1980-08-12 Mobil Oil Corporation Antioxidant compositions
US4284520A (en) * 1979-05-15 1981-08-18 Institut National De Recherche Chimique Appliquee Stable and non-corrosive polysulphides derived from olefins and having different sulphur contents, process for their manufacture and applications thereof
EP0032281B1 (en) * 1980-01-15 1984-04-04 Edwin Cooper Inc. A process for making an extreme pressure lubricating oil additive

Also Published As

Publication number Publication date
AU4144585A (en) 1985-10-24
US4645610A (en) 1987-02-24
EP0159936B1 (fr) 1987-06-24
IN164463B (es) 1989-03-18
CA1242189A (fr) 1988-09-20
ES8701219A1 (es) 1986-11-16
DE3560285D1 (en) 1987-07-30
EP0159936A1 (fr) 1985-10-30
BR8501889A (pt) 1985-12-24
MX167580B (es) 1993-03-30
AU574163B2 (en) 1988-06-30

Similar Documents

Publication Publication Date Title
ES542428A0 (es) Procedimiento de preparacion de una olefina polisulfurada.
ES545464A0 (es) Un procedimiento para la preparacion de tetrahidroftalimidas.
ES540705A0 (es) Un procedimiento para la preparacion de 17b-carbamoil-n-monosustituido -o 17b-acil-4-aza-5-alfa-androstien-3-onas.
MX9202976A (es) Una preparacion de etoposido.
ES540609A0 (es) Un procedimiento para la preparacion de pirazolo piridinas.
ES544521A0 (es) Un procedimiento para la preparacion de triazolobenzodiazefinas.
ES540610A0 (es) Un procedimiento para la preparacion de pirazolopiridinas.
ES546872A0 (es) Un procedimiento para la preparacion de aminoalcoxibenzopiranonas.
ES541781A0 (es) Un procedimiento para la preparacion de nuevos benzotiopenos.
ES2015249B3 (es) Procedimiento de fabricacion de un condimento.
ES540732A0 (es) Un procedimiento para la polimeracion de una alfa-monoolefina.
AR240047A1 (es) Un procedimiento de preparacion de las hidroxi-4-2h-1-benzotiopiran -2-onas.
NO855067L (no) Fremgangsmaate for fremstilling av n-formyl-alfa-aspartyl-fenylalanin.
NO853172L (no) Fremgangsmaate for fremstilling av tixotrope vaskemidler.
ES547205A0 (es) Un procedimiento para la preparacion de nuevas quinazolindionas.
ES545439A0 (es) Un procedimiento para la preparacion de 2-bencil-4-(4-piridil)-tiazoles.
NO165637C (no) Fremgangsmaate for fremstilling av etoksylert lignitt.
ES542882A0 (es) Un procedimiento para la preparacion de nuevas sulfonilureas.
RO92377A (ro) Procedeu pentru prepararea 8-halo-5,6-dialcoxichinazoli-2,4-dionelor
ES541450A0 (es) Un procedimiento para la preparacion de nuevas espiro-3-heteroazolidindionas.
ES551790A0 (es) Un procedimiento de preparacion de una n-fenil-urea trisustituida.
ES556896A0 (es) Un procedimiento para la preparacion de oxetanonas.
ES551964A0 (es) Un procedimiento para la preparacion de una trans-octahidro-oxazolo 4,5-g quinolina
MX162258A (es) Procedimiento de preparacion de acidos dihidro-5,6-4h-ciclopenta/b/tiofencarboxilicos-6
ES537947A0 (es) Procedimiento de preparacion de un derivado de piracina.

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010201