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7560578 |
Palm-based hydroxy fatty acid
The present invention relates to an improved process for producing hydroxy fatty acids preferably dihydroxy or polyhydroxy acids from unsaturated fatty acids derived from natural oils and fats. The...
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6608229 |
Oxidation of polysaccharides with nitroxyls
A simplified process for oxidizing starch and other polysaccharides in an aqueous solution or suspension using hypochlorite in the presence of a catalytic amount of a nitroxyl compound is...
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6174928 |
Process for producing fluorinated oligomer having COOH groups at both ends
A fluorinated oligomer having COOH groups at both end and a ρ 50 ° value of 1,000 to 10,000 is produced by swelling a fluorine rubber crosslinking product in an organic solvent, followed by...
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5939572 |
Method for preparation of carboxylic acids
A method for preparing a carboxylic acid is provided. The method includes contacting an olefinic compound or a vicinal dihydroxy compound with oxygen in the presence of a protic organic solvent, an...
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5864049 |
Process for the preparation of mono- and dicarboxylic acids from unsaturated fatty acids and/or their derivatives
The present invention relates to a process for the preparation of carboxylic acids from unsaturated fatty acids and/or their derivatives. The process of the invention is characterized in that it...
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5731460 |
Oxidative cleavage of alkenes with a catalyst system containing a source of molybdenum, a source of rutlenium and a phase transfer agent
A catalyst system and process for the oxidative cleavage of alkenes with hydrogen peroxide is provided. The catalyst system comprises a source of ruthenium, a source of molybdenum and a phase...
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5344946 |
Process for the preparation of vicinal diols and/or epoxides
The present invention provides a process for the preparation of vicinal diols and/or epoxides by the oxidation of olefinically-unsaturated compounds with the use of an inorganic heptavalent rhenium...
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5336793 |
Preparing carboxylic acids or esters by oxidative cleavage of unsaturated fatty acids or esters
A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof is carried out in a two-phase aqueous-organic system in which the...
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4935537 |
Process for producing acyloxynaphthoic acids
A process for producing an acyloxynaphthoic acid represented by the general formula ##STR1## wherein R 1 represents a hydrogen atom or an alkyl group, which comprises (a) oxidizing an...
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4791223 |
Process for the preparation of 1,1,2,2-tetrahydroperfluoroalkanols and their esters
The invention relates to the synthesis of 1,1,2,2-tetrahydroperfluoroalkanols and their esters by oxidizing a 2-(perfluoroalkyl)ethyl iodide using hydrogen peroxide in a carboxylic acid or...
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4732708 |
Method for converting vegetable material into chemicals
The invention relates to a method for converting biopolyesters consisting of straight-chain hydroxyacid monomers containing 10 to 40 carbon atoms, such as suberin and cutin, into a plain mixture of...
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4650896 |
Preparation of 2-alkyl-4,4-diacyloxybut-2-enals
2-Alkyl-4,4-diacyloxybut-2-enals of the formula ##STR1## where R 1 is alkyl and R 2 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, are prepared by a process in which a...
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4550196 |
Process for the preparation of carboxylic acids starting from vicinal water-soluble diols
This invention relates to a process for preparing monocarboxylic or dicarboxylic acids by means of an oxidative scission of vicinal diols with H 2 O 2 . One starts from vicinal, either terminal or...
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4348537 |
Olefin oxidation
Olefin is oxidized in the absence of oxygen with a carboxylic acid in the presence of Mn(IV) oxide promoted with a noble metal to produce an effluent which includes mono and/or diester...
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4225694 |
Selective catalytic oxidation of unsaturated alcohols to carbonyl compounds
Primary and secondary unsaturated alcohols are converted to their corresponding aldehydes and/or carboxylic acids and ketones respectively with alkali metal (per) halate, preferably sodium...
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4138417 |
Process for producing perfluorocarboxylic acid
A process for producing a perfluorocarboxylic acid comprises reacting a perfluoroalkyl olefin with ozone to produce a perfluoroalkyl ozonide and a perfluoroalkyl aldehyde and converting said...
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4069385 |
Method for the preparation of optically active allylic esters
In the preparation of olefin derivatives having an ester group at the allylic position (hereinafter referred to as "allylic ester(s)") which comprises reacting an olefin having at least one...
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4049724 |
Osmium catalyzed organic hydroperoxide hydroxylation of olefinic compounds
Method for preparing polyols such as diols and triols by the homogeneous catalytic hydroxylation of an olefinic compound by contacting the olefinic compound with an organic hydroperoxide in an...
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4049682 |
Processes for preparing enol esters
Described are processes for preparing enol esters having the generic structure: ##STR1## (which structure is intended to cover both the "cis" and the "trans" isomers thereof) wherein R 1 is C 1 ...
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3997578 |
Oxidation of alcohols to carboxylic acids with ruthenium catalysts and peracid oxidizing agents
A process for the preparation of fatty acids by the oxidation of alcohols, particularly, primary alcohols, such as, octanol-1 and vicinal-diols, such as cyclohexane-1,2-diol, in which the alcohol...
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3678096 |
OXIDATION PROCESS FOR THE SYNTHESIS OF α-HYDROXY ESTERS
A process for the synthesis of α-hydroxy esters of carboxylic acids by reacting a carboxylic acid ester with a hydroperoxide in the presence of a metal ion catalyst. The reaction is characterized...
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3547962 |
PHASE TRANSFER AGENT IN OXIDATION OF OLEFINS
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3522279 |
OXIDATION PROCESS
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3474131 |
PREPARATION OF PRIMARY ALKYL ESTERS
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3449413 |
PROCESS FOR THE MANUFACTURE OF ALKALI SALTS OF CARBOXYLIC ACIDS
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3365499 |
Oxidation of olefins to ketones
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3322772 |
Process for the production of carboxylic esters
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3278562 |
Oxidation process using peracetic acid
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3217046 |
Process for producing undecanedioic acid from plant sources
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3210402 |
Production of unsaturated esters
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3169139 |
Hydroxylation process for olefinic higher fatty acid and fatty acid ester
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3090808 |
Production of halo-substituted carbonylic compounds
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2980715 |
Production of hydroxylated higher fatty acid esters
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2942014 |
Oxidative coupling process
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3845116 |
Title is not available
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3839376 |
Title is not available
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3839375 |
Title is not available
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3833626 |
Title is not available
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3816525 |
Title is not available
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3658896 |
Title is not available
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3631203 |
Title is not available
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