BR8903931A - Ligante fosfito ionico,processo catalisado por metal de transicao e processo de hidroformilacao para a producao de aldeido - Google Patents

Ligante fosfito ionico,processo catalisado por metal de transicao e processo de hidroformilacao para a producao de aldeido

Info

Publication number
BR8903931A
BR8903931A BR898903931A BR8903931A BR8903931A BR 8903931 A BR8903931 A BR 8903931A BR 898903931 A BR898903931 A BR 898903931A BR 8903931 A BR8903931 A BR 8903931A BR 8903931 A BR8903931 A BR 8903931A
Authority
BR
Brazil
Prior art keywords
catalysted
hydroformilation
transition metal
aldehyde production
ionic phosphite
Prior art date
Application number
BR898903931A
Other languages
English (en)
Inventor
Abatjoglou Anthony George
Bryant David Robert
Original Assignee
Union Carbide Chem Plastic
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 Union Carbide Chem Plastic filed Critical Union Carbide Chem Plastic
Publication of BR8903931A publication Critical patent/BR8903931A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/16—Esters of thiophosphoric acids or thiophosphorous acids
    • C07F9/165—Esters of thiophosphoric acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
    • C07F9/6574—Esters of oxyacids of phosphorus
    • C07F9/65746—Esters of oxyacids of phosphorus the molecule containing more than one cyclic phosphorus atom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
    • B01J31/185—Phosphites ((RO)3P), their isomeric phosphonates (R(RO)2P=O) and RO-substitution derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
    • C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
    • C07F9/6574—Esters of oxyacids of phosphorus
    • C07F9/65744—Esters of oxyacids of phosphorus condensed with carbocyclic or heterocyclic rings or ring systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/32—Addition reactions to C=C or C-C triple bonds
    • B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0261—Complexes comprising ligands with non-tetrahedral chirality
    • B01J2531/0266—Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82—Metals of the platinum group
    • B01J2531/822—Rhodium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BR898903931A 1988-08-05 1989-08-04 Ligante fosfito ionico,processo catalisado por metal de transicao e processo de hidroformilacao para a producao de aldeido BR8903931A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/228,507 US5059710A (en) 1988-08-05 1988-08-05 Ionic phosphites and their use in homogeneous transition metal catalyzed processes

Publications (1)

Publication Number Publication Date
BR8903931A true BR8903931A (pt) 1990-03-27

Family

ID=22857461

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903931A BR8903931A (pt) 1988-08-05 1989-08-04 Ligante fosfito ionico,processo catalisado por metal de transicao e processo de hidroformilacao para a producao de aldeido

Country Status (14)

Country Link
US (1) US5059710A (pt)
EP (1) EP0353770B1 (pt)
JP (1) JPH0745423B2 (pt)
KR (1) KR940006192B1 (pt)
CN (1) CN1023798C (pt)
AU (1) AU623918B2 (pt)
BR (1) BR8903931A (pt)
DE (1) DE68924676T2 (pt)
ES (1) ES2078228T3 (pt)
MX (1) MX164441B (pt)
PL (1) PL160919B1 (pt)
PT (1) PT91385B (pt)
RU (1) RU2024481C1 (pt)
ZA (1) ZA895973B (pt)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599206A (en) * 1984-02-17 1986-07-08 Union Carbide Corporation Transition metal complex catalyzed reactions
DE3942954A1 (de) * 1989-12-23 1991-06-27 Hoechst Ag Verfahren zur herstellung von aldehyden
DE4026406A1 (de) * 1990-08-21 1992-02-27 Basf Ag Rhodiumhydroformylierungskatalysatoren mit bis-phosphit-liganden
JP2946790B2 (ja) * 1991-03-14 1999-09-06 三菱化学株式会社 アルデヒド類の製造法
TW213465B (pt) * 1991-06-11 1993-09-21 Mitsubishi Chemicals Co Ltd
US5360938A (en) * 1991-08-21 1994-11-01 Union Carbide Chemicals & Plastics Technology Corporation Asymmetric syntheses
US5391799A (en) * 1992-05-05 1995-02-21 Ciba-Geigy Corporation Process for the preparation 6-chloro-2,4,8,10-tetra-butyldibenzo[d,f][1,3,2]dioxaphoshepin
US5292785A (en) * 1992-05-05 1994-03-08 Ciba-Geigy Corporation Bis-phosphite stabilized compositions
US5364950A (en) * 1992-09-29 1994-11-15 Union Carbide Chimicals & Plastics Technology Corporation Process for stabilizing phosphite ligands in hydroformylation reaction mixtures
US5300617A (en) * 1993-01-21 1994-04-05 Exxon Chemical Patents Inc. Potassium para-diphenyl phosphino benzene sulfonate ligand
DE4321194A1 (de) * 1993-06-25 1995-01-05 Basf Ag Phosphorhaltige Calixarene
US5756855A (en) * 1994-08-19 1998-05-26 Union Carbide Chemicals & Plastics Technology Corporation Stabilization of phosphite ligands in hydroformylation process
DE4431528A1 (de) * 1994-09-03 1996-03-07 Basf Ag Verfahren zur Herstellung von n-Butyraldehyd und/oder n-Butanol
JPH0977713A (ja) * 1995-09-19 1997-03-25 Mitsubishi Chem Corp アルデヒド類の製造方法
US5654455A (en) * 1995-12-21 1997-08-05 Ciba-Geigy Corporation Tris-phosphite ligands and their use in transitioin metal catalyzed processes
TW343195B (en) * 1996-03-15 1998-10-21 Dsm Nv Process to prepare a terminal aldehyde
US5919978A (en) * 1997-04-15 1999-07-06 Union Carbide Chemicals & Plastics Technology Corporation Processes for producing aldehyde acids or salts
MY120454A (en) 1997-07-29 2005-10-31 Du Pont Improved process of preparation of linear aldehydes
US5840647A (en) * 1997-09-15 1998-11-24 Eastman Chemical Company Hydroformylation process using novel phosphite-metal catalyst system
US6130358A (en) * 1998-10-16 2000-10-10 Eastman Chemical Company Hydroformylation process using novel phosphite-metal catalyst system
DE19919494A1 (de) * 1999-04-29 2000-11-02 Celanese Chem Europe Gmbh Ionische Flüssigkeiten, ihre Herstellung und ihre Verwendung
US6307107B1 (en) 1999-09-20 2001-10-23 E.I. Du Pont De Nemours And Company Hydroformylation of acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes
DE19953058A1 (de) * 1999-11-03 2001-05-10 Basf Ag Phosphite
US6610891B1 (en) 1999-12-03 2003-08-26 Mitsubishi Chemical Corporation Method of producing aldehydes
US6350819B1 (en) 2000-10-27 2002-02-26 Union Carbide Chemicals & Plastics Technology Corporation Dendritic macromolecules for metal-ligand catalyzed processes
DE10062448A1 (de) 2000-12-14 2002-06-20 Oxeno Olefinchemie Gmbh Verfahren zur Hydrierung von Hydroformylierungsgemischen
CN1639177B (zh) 2002-03-11 2010-05-05 陶氏技术投资有限责任公司 用于羰基化过程的双亚磷酸酯
DE10220801A1 (de) * 2002-05-10 2003-11-20 Oxeno Olefinchemie Gmbh Verfahren zur Rhodium-katalysierten Hydroformylierung von Olefinen unter Reduzierung der Rhodiumverluste
US7317130B2 (en) * 2002-08-31 2008-01-08 Oxeno Olefinchemie Gmbh Method for the hydroformylation of olefinically unsaturated compounds, especially olefins, in the presence of cyclic carbonic acid esters
ATE388956T1 (de) 2002-10-15 2008-03-15 Union Carbide Chem Plastic Bischelatligand und seine verwendung in carbonylierungs-verfahren
DE102005035816A1 (de) 2005-07-30 2007-02-01 Oxeno Olefinchemie Gmbh Verfahren zur Hydrierung von Oxo-Aldehyden mit hohen Estergehalten
US7301054B1 (en) 2006-09-29 2007-11-27 Eastman Chemical Company Process for the preparation of glycolaldehyde
US7420093B2 (en) * 2006-09-29 2008-09-02 Eastman Chemical Company Process for the preparation of glycolaldehyde
CA2680484C (en) * 2007-03-20 2015-04-07 Union Carbide Chemicals & Plastics Technology Llc Hydroformylation process with improved control over product isomers
EP2014752A1 (en) * 2007-06-23 2009-01-14 Cognis IP Management GmbH Process for the manufacture of saturated fatty acid esters in the presence of a homogeneous complex of a Group VIII metal and a sulfonated phosphite
DE102007041380A1 (de) 2007-08-31 2009-03-05 Evonik Oxeno Gmbh Hydrierkatalysator und Verfahren zur Herstellung von Alkoholen durch Hydrierung von Carbonylverbindungen
US8304583B2 (en) * 2007-09-07 2012-11-06 Dow Global Technologies Llc Hydrogenation of aliphatic dialdehydes to aliphatic diols
US7674937B2 (en) * 2008-05-28 2010-03-09 Eastman Chemical Company Hydroformylation catalysts
PL2297077T3 (pl) 2008-07-03 2014-11-28 Dow Technology Investments Llc Sposób regulowania ilości substancji ciężkich w strumieniu powrotnym katalizatora
WO2010057099A1 (en) 2008-11-14 2010-05-20 University Of Kansas Polymer-supported transition metal catalyst complexes and methods of use
JP5603407B2 (ja) 2009-03-31 2014-10-08 ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー 二重オープンエンド型ビスホスファイトリガンドによるヒドロホルミル化方法
DE102009045718A1 (de) 2009-10-15 2011-04-21 Evonik Oxeno Gmbh Verfahren zur Herstellung von Decanolen durch Hydrierung von Decenalen
CN102741210B (zh) 2009-12-22 2016-02-24 陶氏技术投资有限责任公司 控制混合配体加氢甲酰化工艺中的正构∶异构醛比率
MX365495B (es) 2009-12-22 2019-06-05 Dow Technology Investments Llc Control de la proporcion de aldehido normal: iso en un proceso de hidroformilacion de ligando mixto al controlar la presion parcial del gas de sintesis.
US8664451B2 (en) 2009-12-22 2014-03-04 Dow Technology Investments Llc Controlling the normal:ISO aldehyde ratio in a mixed ligand hydroformylation process by controlling the olefin partial pressure
CN102803189B (zh) 2010-03-15 2016-01-20 埃克森美孚化学专利公司 用于生产醇的方法
US8741173B2 (en) 2010-10-05 2014-06-03 Dow Technology Investments Llc Hydroformylation process
SA112330271B1 (ar) 2011-04-18 2015-02-09 داو تكنولوجى انفستمنتس ال ال سى تخفيف التلوث في عمليات هيدروفورملة عن طريق إضافة الماء
US8492593B2 (en) 2011-08-16 2013-07-23 Eastman Chemical Company Amido-fluorophosphite compounds and catalysts
PL2822921T3 (pl) 2012-03-07 2018-11-30 Basf Se SPOSÓB INTEGRACJI CIEPŁA PRZY UWODORNIANIU I DESTYLACJI C<sub>3</sub>-C<sub>20</sub>- ALDEHYDÓW
US8889917B2 (en) 2012-04-12 2014-11-18 Basf Se Method of supplementing the catalyst in continuous hydroformylation
PL2836474T3 (pl) 2012-04-12 2018-06-29 Basf Se Sposób uzupełniania katalizatora podczas ciągłego hydroformylowania
JP6174711B2 (ja) 2012-12-06 2017-08-02 ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー ヒドロホルミル化方法
US10501486B2 (en) 2014-05-14 2019-12-10 Dow Technology Investments Llc Stabilized organophosphorous compounds
DE102015207870A1 (de) * 2015-04-29 2016-11-03 Evonik Degussa Gmbh Neue Monophosphitverbindungen mit einer Sulfonatgruppe
GB202404300D0 (en) 2024-03-26 2024-05-08 Johnson Matthey Davy Technologies Ltd Process for the production of 2-alkylalkanol

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527809A (en) * 1967-08-03 1970-09-08 Union Carbide Corp Hydroformylation process
US4148830A (en) * 1975-03-07 1979-04-10 Union Carbide Corporation Hydroformylation of olefins
US4248802A (en) * 1975-06-20 1981-02-03 Rhone-Poulenc Industries Catalytic hydroformylation of olefins
US4247486A (en) * 1977-03-11 1981-01-27 Union Carbide Corporation Cyclic hydroformylation process
US4162261A (en) * 1976-09-29 1979-07-24 Union Carbide Corporation Novel solvents for the catalytic process for making polyhydric alcohols
US4283562A (en) * 1979-10-26 1981-08-11 Union Carbide Corporation Hydroformylation process using stable rhodium catalyst
GB2085874B (en) * 1980-09-04 1984-08-08 Johnson Matthey Plc Hydroformylation of olefins
US4400548A (en) * 1981-08-17 1983-08-23 Union Carbide Corporation Hydroformylation process using bisphosphine monooxide ligands
US4453022A (en) * 1982-04-21 1984-06-05 Union Carbide Corporation Process for preparing nonionic surfactants-oxyalkylation with calcium and/or strontium catalysts
JPS60141760A (ja) * 1983-12-29 1985-07-26 Adeka Argus Chem Co Ltd 高分子材料組成物
US4599206A (en) * 1984-02-17 1986-07-08 Union Carbide Corporation Transition metal complex catalyzed reactions
US4737588A (en) * 1984-12-28 1988-04-12 Union Carbide Corporation Transition metal complex catalyzed reactions
US4593127A (en) * 1985-01-11 1986-06-03 Union Carbide Corporation Hydroformylation process
US4668651A (en) * 1985-09-05 1987-05-26 Union Carbide Corporation Transition metal complex catalyzed processes
US4885401A (en) * 1985-09-05 1989-12-05 Union Carbide Corporation Bis-phosphite compounds
US4748261A (en) * 1985-09-05 1988-05-31 Union Carbide Corporation Bis-phosphite compounds
US4633021A (en) * 1985-11-29 1986-12-30 National Distillers And Chemical Corporation Olefin hydroformylation
US4688651A (en) * 1986-03-21 1987-08-25 Dresser Industries, Inc. Cone mouth debris exclusion shield
US4716250A (en) * 1986-07-10 1987-12-29 Union Carbide Corporation Hydroformylation using low volatile/organic soluble phosphine ligands
US4731486A (en) * 1986-11-18 1988-03-15 Union Carbide Corporation Hydroformylation using low volatile phosphine ligands
US4929654A (en) * 1988-10-04 1990-05-29 Eastman Kodak Company Cyclic phosphites and stabilized polymeric compositions

Also Published As

Publication number Publication date
JPH02149591A (ja) 1990-06-08
US5059710A (en) 1991-10-22
EP0353770A3 (en) 1990-05-16
ZA895973B (en) 1990-05-30
KR940006192B1 (ko) 1994-07-11
ES2078228T3 (es) 1995-12-16
PL160919B1 (pl) 1993-05-31
KR900003183A (ko) 1990-03-26
PT91385A (pt) 1990-03-08
MX164441B (es) 1992-08-13
CN1041947A (zh) 1990-05-09
AU3925189A (en) 1990-02-08
DE68924676D1 (de) 1995-12-07
CN1023798C (zh) 1994-02-16
EP0353770B1 (en) 1995-11-02
EP0353770A2 (en) 1990-02-07
PT91385B (pt) 1995-05-04
JPH0745423B2 (ja) 1995-05-17
AU623918B2 (en) 1992-05-28
DE68924676T2 (de) 1996-03-28
RU2024481C1 (ru) 1994-12-15

Similar Documents

Publication Publication Date Title
BR8903931A (pt) Ligante fosfito ionico,processo catalisado por metal de transicao e processo de hidroformilacao para a producao de aldeido
BR8507068A (pt) Processo para a producao de butano-1,4-diol
PT81604B (pt) Processo para a extraccao de ouro
BR9002551A (pt) Processo para producao de po
PT94059A (pt) Processo para a preparacao de copolimetros hidrossoluveis, de n-vinilamidas
BR8108337A (pt) Derivado de lambda2-1,2,4-triazolin-5-ona,processo para a sua producao e composicao herbicida
BR8601671A (pt) Processo para a producao e tetra-alcoil-2,2,6,6,-piperidilaminas-4
BR8804535A (pt) Processo para a obtencao de c8-ate c24-alquiloligoglicosidios e-alquilglicosidios
BR8902387A (pt) Processo para manufaturar 1,3-glicois
BR8505808A (pt) Catalisador,processo para a sua producao e utilizacao
BR8507258A (pt) Tinta-anti-incrustacao,de auto-polimento e processo para a sua producao
PT80956B (pt) Processo para a preparacao de 1,4-di-hidropiridinas
PT89026A (pt) Processo para a preparacao de factor de activacao dos neutrofilos
BR8801995A (pt) Processo para a formacao de um laminado,laminado,nucleo metalico
BR8504970A (pt) Processo para a producao de ureia
BR9004539A (pt) Processo para a obtencao de 1,1,1,2-tetrafluoretano
BR8804414A (pt) Processo para a producao de dos 2,2,4-monoesteres tri-substitui-insaturados
BR8606880A (pt) Processo para a obtencao de vanilina
BR9001537A (pt) Processo para a recuperacao de cobalto
BR8802252A (pt) Processo continuo para a producao de etanol
BR9003360A (pt) Processo para a obtencao de 1,1,1-trifluor-2-cloroetano
BR9004428A (pt) Processo para a obtencao de alquilhalogenossilanos
PT91205A (pt) Processo para a preparacao de 2-aminopurina
BR9002408A (pt) Processo para a producao de poliarilatos
BR9002162A (pt) Processo para a obtencao de poliisocianatos

Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))