GB1227144A - - Google Patents
Info
- Publication number
- GB1227144A GB1227144A GB1227144DA GB1227144A GB 1227144 A GB1227144 A GB 1227144A GB 1227144D A GB1227144D A GB 1227144DA GB 1227144 A GB1227144 A GB 1227144A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phases
- anion
- reaction
- quaternary salt
- organic
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/208—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being MX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/03—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C331/00—Derivatives of thiocyanic acid or of isothiocyanic acid
- C07C331/02—Thiocyanates
- C07C331/04—Thiocyanates having sulfur atoms of thiocyanate groups bound to acyclic carbon atoms
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/203—Unsaturated compounds containing keto groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/285—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with peroxy-compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
1,227,144. Organic compounds. CONTINENTAL OIL CO. 27 March, 1968 [5 April, 1967], No. 14639/68. Heading C2C. Heterogeneous ionic organic reactions wherein the reactants are in a plurality of immiscible liquid phases with one of the reactants being located substantially entirely in a different phase from the contiguous phase in which a second reactant is located are catalysed by adding to one or both of the contiguous phases of the heterogeneous system, an organic quaternary salt which includes at least one group having the formula (R 1 R 2 R 3 R 4 M)<SP>+</SP>X<SP>-</SP> where M is a pentavalent ion of nitrogen, phosphorus, arsenic, antimony or bismuth, R 1 , R 2 , R 3 and R 4 are hydrocarbon radicals (wherein one of the hydrocarbon radicals may be substituted by a further quaternary group) the total number of carbon atoms being from 18 to 70, and X- is an anion which will dis sociate from the Catin (R 1 R 2 R 3 R 4 M) in an aqueous environment, said organic quaternary salt being substantially more soluble in the less polar of said reactantcontaining phases than in the other of said reactant-containing phases, said quaternary salt not forming an emulsion between the immiscible phases, and wherein in the catalysed reaction the organic quaternary salt exchanges an anion with one of the reactants located in one of the phases of the system, moves to the contiguous phase and said anion there reacts with the other reactant. Processes exemplified are the alkaline hydrolysis of esters, the permanganate oxidation of olefins, the borohydride reduction of ketones to alcohols, the alkaline hydrolysis of sulphonyl chlorides to metal sulphonates, the alkylation of malononitrile with alkyi bromides to give dialkyl malononitriles, the production of dichlorocarbenes from chloroform and their subsequent reaction with olefins to give unfused or fused l,1-dichlorocyclopropanes, and ionic displacement reactions, e.g. conversion of alkyl chlorides to alkyl cyanides, and of alkyl bromides to alkyl chlorides, iodides, acetates or thiocyanates by reaction with an appropriate anion, or to dialkyl ureas by reaction with a cyanate.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62853467A | 1967-04-05 | 1967-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1227144A true GB1227144A (en) | 1971-04-07 |
Family
ID=24519296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1227144D Expired GB1227144A (en) | 1967-04-05 | 1968-03-27 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS506441B1 (en) |
AT (1) | AT296229B (en) |
BE (1) | BE735936A (en) |
BR (1) | BR6898535D0 (en) |
FR (1) | FR1573164A (en) |
GB (1) | GB1227144A (en) |
NL (1) | NL164837C (en) |
SE (1) | SE339941B (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3917667A (en) * | 1972-05-16 | 1975-11-04 | Shell Oil Co | Process for preparing gem-dihalocyclopropanecarboxylic acid derivatives |
US3972887A (en) * | 1972-12-11 | 1976-08-03 | The Dow Chemical Company | Process for preparing phosphorothioates and phenylphosponothioates |
US3984475A (en) * | 1972-11-17 | 1976-10-05 | Kuraray Co., Ltd. | Process for the production of substituted ketones |
US4012430A (en) * | 1972-05-16 | 1977-03-15 | Shell Oil Company | Process for the preparation of cyclopropane derivatives |
US4013700A (en) * | 1974-11-25 | 1977-03-22 | Union Carbide Corporation | Catalytic process for polyhydric alcohols and derivatives |
US4014891A (en) | 1975-01-17 | 1977-03-29 | The Dow Chemical Company | Process for making aryl chloromethyl sulfides |
US4016190A (en) * | 1975-03-01 | 1977-04-05 | Bayer Aktiengesellschaft | Process for the preparation of diarylcarbonates |
US4056509A (en) | 1975-07-09 | 1977-11-01 | Shell Oil Company | Preparation of benzyl cyanides |
US4059603A (en) | 1971-11-12 | 1977-11-22 | Sumitomo Chemical Company, Limited | Esterification of carboxylic acids by contact with a phosphonium salt |
US4079075A (en) * | 1975-11-06 | 1978-03-14 | The Dow Chemical Company | Primary alkyl esters as mediums for oxidations by phase-transfer catalyzed hypohalites |
US4101585A (en) * | 1976-08-30 | 1978-07-18 | Ciba-Geigy Corporation | Process for the production of deoxy-alpha-acids |
US4218400A (en) * | 1977-02-04 | 1980-08-19 | Rutgerswerke Aktiengesellschaft | Process for the production of fluorenone by catalytic oxidation of fluorene |
US4321395A (en) | 1978-07-13 | 1982-03-23 | Basf Aktiengesellschaft | Preparation of acetanilides |
US4328170A (en) * | 1978-11-02 | 1982-05-04 | Matsumoto Seiyaku Kogyo Kabushiki Kaisha | Process for preparing an α-cyanoacrylate |
US4387253A (en) * | 1980-09-05 | 1983-06-07 | The Boots Company Limited | Preparation of dichlorobenzyl alcohol |
US4491666A (en) * | 1981-03-14 | 1985-01-01 | Basf Aktiengesellschaft | Preparation of anthraquinoid disperse dyes |
US4584128A (en) * | 1983-08-01 | 1986-04-22 | International Flavors & Fragrances Inc. | Mixture of one or more t-mercapto terpene isomers and α-terpineol organoleptic uses thereof |
US4600791A (en) * | 1983-12-12 | 1986-07-15 | Borg-Warner Chemicals, Inc. | Process for preparation of phosphazene esters |
US4601843A (en) * | 1985-04-02 | 1986-07-22 | Borg-Warner Chemicals, Inc. | Phosphazene based functional fluid compositions |
US4695659A (en) * | 1984-10-22 | 1987-09-22 | Chemical Dynamics Development Ab | Method for dealkylation of alkyl-aryl ethers |
US4699634A (en) * | 1985-07-08 | 1987-10-13 | The Standard Oil Company | Process for the modification of aromatic polymers via phase transfer catalysis to produce polyarylene polymers and the use thereof |
EP1591435A2 (en) * | 2004-03-26 | 2005-11-02 | Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo | Method for preparing 2,6-Naphtalene dicarboxyclic acid |
DE10196976B4 (en) * | 2000-11-29 | 2006-10-26 | China Petroleum And Chemical Corporation | Reaction-Controlled Phase Transfer Catalyst-Catalyzed Oxidation Reaction Process |
EP1818323A2 (en) | 2006-02-08 | 2007-08-15 | Cognis IP Management GmbH | Process for the preparation of unsymmetric alkoxylated mixed ethers |
EP1918358A1 (en) | 2006-10-11 | 2008-05-07 | Cognis IP Management GmbH | Process for the partial hydrogenation of fatty acid esters |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1539183A (en) * | 1975-07-31 | 1979-01-31 | Ici Ltd | Process for the manufacture of aromatic ethers |
DE2545644A1 (en) * | 1975-10-11 | 1977-04-14 | Bayer Ag | PROCESS FOR THE PRODUCTION OF SULPHONIC ACIDS |
DE2648965C2 (en) * | 1976-10-28 | 1978-09-21 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Process for the production of chloromethyl thiocyanate |
FR2413348A1 (en) * | 1977-12-31 | 1979-07-27 | Dynamit Nobel Ag | PROCESS FOR OBTAINING BENZYL ALCOHOLS |
FR2434134A1 (en) * | 1978-06-26 | 1980-03-21 | Rhone Poulenc Agrochimie | PROCESS FOR THE PREPARATION OF O-METHALLYLOXYPHENOL BY SELECTIVE MONOETHERIFICATION OF PYROCATECHIN |
FR2442822A1 (en) * | 1978-11-30 | 1980-06-27 | Rhone Poulenc Agrochimie | PROCESS FOR THE PREPARATION OF UNSATURATED ETHERS |
IT1120780B (en) * | 1979-06-06 | 1986-03-26 | Montedison Spa | PROCEDURE FOR THE PREPARATION OF 3,3-DIMETYL-ALLYL ALCOHOL |
FR2467186A1 (en) * | 1979-10-15 | 1981-04-17 | Elf France | ALKYL ETHERS OF POLYOLS, THEIR PREPARATION AND THEIR JOBS |
DE3512518A1 (en) * | 1985-04-06 | 1986-10-09 | Deutsche Texaco Ag, 2000 Hamburg | METHOD FOR THE CONTINUOUS PRODUCTION OF LOW ALCOHOLS |
US4754089A (en) * | 1986-12-05 | 1988-06-28 | Sepracor Inc. | Phase transfer catalysis |
-
1968
- 1968-03-27 GB GB1227144D patent/GB1227144A/en not_active Expired
- 1968-04-01 AT AT314768A patent/AT296229B/en not_active IP Right Cessation
- 1968-04-03 NL NL6804687.A patent/NL164837C/en not_active IP Right Cessation
- 1968-04-04 SE SE04516/68A patent/SE339941B/xx unknown
- 1968-04-05 FR FR1573164D patent/FR1573164A/fr not_active Expired
- 1968-04-05 JP JP43022659A patent/JPS506441B1/ja active Pending
- 1968-04-05 BR BR198535/68A patent/BR6898535D0/en unknown
-
1969
- 1969-07-10 BE BE735936D patent/BE735936A/xx not_active IP Right Cessation
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4059603A (en) | 1971-11-12 | 1977-11-22 | Sumitomo Chemical Company, Limited | Esterification of carboxylic acids by contact with a phosphonium salt |
US4012430A (en) * | 1972-05-16 | 1977-03-15 | Shell Oil Company | Process for the preparation of cyclopropane derivatives |
US3917667A (en) * | 1972-05-16 | 1975-11-04 | Shell Oil Co | Process for preparing gem-dihalocyclopropanecarboxylic acid derivatives |
US3984475A (en) * | 1972-11-17 | 1976-10-05 | Kuraray Co., Ltd. | Process for the production of substituted ketones |
US3972887A (en) * | 1972-12-11 | 1976-08-03 | The Dow Chemical Company | Process for preparing phosphorothioates and phenylphosponothioates |
US4013700A (en) * | 1974-11-25 | 1977-03-22 | Union Carbide Corporation | Catalytic process for polyhydric alcohols and derivatives |
US4014891A (en) | 1975-01-17 | 1977-03-29 | The Dow Chemical Company | Process for making aryl chloromethyl sulfides |
US4016190A (en) * | 1975-03-01 | 1977-04-05 | Bayer Aktiengesellschaft | Process for the preparation of diarylcarbonates |
US4056509A (en) | 1975-07-09 | 1977-11-01 | Shell Oil Company | Preparation of benzyl cyanides |
US4079075A (en) * | 1975-11-06 | 1978-03-14 | The Dow Chemical Company | Primary alkyl esters as mediums for oxidations by phase-transfer catalyzed hypohalites |
US4101585A (en) * | 1976-08-30 | 1978-07-18 | Ciba-Geigy Corporation | Process for the production of deoxy-alpha-acids |
US4218400A (en) * | 1977-02-04 | 1980-08-19 | Rutgerswerke Aktiengesellschaft | Process for the production of fluorenone by catalytic oxidation of fluorene |
US4321395A (en) | 1978-07-13 | 1982-03-23 | Basf Aktiengesellschaft | Preparation of acetanilides |
US4328170A (en) * | 1978-11-02 | 1982-05-04 | Matsumoto Seiyaku Kogyo Kabushiki Kaisha | Process for preparing an α-cyanoacrylate |
US4387253A (en) * | 1980-09-05 | 1983-06-07 | The Boots Company Limited | Preparation of dichlorobenzyl alcohol |
US4491666A (en) * | 1981-03-14 | 1985-01-01 | Basf Aktiengesellschaft | Preparation of anthraquinoid disperse dyes |
US4584128A (en) * | 1983-08-01 | 1986-04-22 | International Flavors & Fragrances Inc. | Mixture of one or more t-mercapto terpene isomers and α-terpineol organoleptic uses thereof |
US4600791A (en) * | 1983-12-12 | 1986-07-15 | Borg-Warner Chemicals, Inc. | Process for preparation of phosphazene esters |
US4695659A (en) * | 1984-10-22 | 1987-09-22 | Chemical Dynamics Development Ab | Method for dealkylation of alkyl-aryl ethers |
US4601843A (en) * | 1985-04-02 | 1986-07-22 | Borg-Warner Chemicals, Inc. | Phosphazene based functional fluid compositions |
US4699634A (en) * | 1985-07-08 | 1987-10-13 | The Standard Oil Company | Process for the modification of aromatic polymers via phase transfer catalysis to produce polyarylene polymers and the use thereof |
DE10196976B4 (en) * | 2000-11-29 | 2006-10-26 | China Petroleum And Chemical Corporation | Reaction-Controlled Phase Transfer Catalyst-Catalyzed Oxidation Reaction Process |
EP1591435A2 (en) * | 2004-03-26 | 2005-11-02 | Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo | Method for preparing 2,6-Naphtalene dicarboxyclic acid |
EP1591435A3 (en) * | 2004-03-26 | 2007-11-28 | Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo | Method for preparing 2,6-Naphtalene dicarboxyclic acid |
US7355071B2 (en) | 2004-03-26 | 2008-04-08 | Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo | Method for preparing 2,6-naphthalene dicarboxylic acid |
EP1818323A2 (en) | 2006-02-08 | 2007-08-15 | Cognis IP Management GmbH | Process for the preparation of unsymmetric alkoxylated mixed ethers |
EP1918358A1 (en) | 2006-10-11 | 2008-05-07 | Cognis IP Management GmbH | Process for the partial hydrogenation of fatty acid esters |
US8263794B2 (en) | 2006-10-11 | 2012-09-11 | Cognis Ip Management Gmbh | Process for the partial hydrogenation of fatty acid esters |
Also Published As
Publication number | Publication date |
---|---|
NL6804687A (en) | 1968-10-07 |
AT296229B (en) | 1972-02-10 |
SE339941B (en) | 1971-11-01 |
NL164837C (en) | 1981-02-16 |
BE735936A (en) | 1969-12-16 |
BR6898535D0 (en) | 1973-01-04 |
NL164837B (en) | 1980-09-15 |
JPS506441B1 (en) | 1975-03-14 |
FR1573164A (en) | 1969-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PE20 | Patent expired after termination of 20 years |