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6878845 |
Oligomers from multifunctional acrylates
Oligomers from multifunctional acrylates and organonitro compounds are provided. Films obtained from crosslinked oligomers of the present invention are useful as protective or decorative coatings...
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6875889 |
Monomers with quaternary amino groups, methods for making same, and novel (co)polymers obtained from said novel monomers
The invention relates to compounds of formula (I), prepared by quaternising a compound (II) by means of at least one compound R 3 —X ⊖ :
R 1 =H or —CH 3 ; R 2 =—CH 3 ; —C 2 H 5 ;...
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6861552 |
Adamantyl ester monomer composition
The present invention discloses an adamantyl ester monomer composition characterized by containing at least an adamantyl ester monomer having at least one polymerizable unsaturated bond in the...
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6858750 |
Use of fumaric acid derivatives for treating mitochondrial diseases
The present invention relates to the use of individual fumaric acid derivatives or mixtures thereof for preparing a pharmaceutical composition for treating mitochondrial diseases, especially for...
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6858748 |
Treatment of colon cancer
The novel compound of the disclosure is 4-chloro-4-(4-ethoxy-phenyl)-2-(fluoren-9-ylidene-hydrazono)
-but-3-enoic acid methyl ester (3F-19), and it alone or in combination with...
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6858761 |
Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process
The present invention provides a process and its utilization in a process comprising the step of carrying out an addition reaction of an alkylene oxide to an addition-receiving substance in the...
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6855762 |
Method for producing water soluble polymer of esters from ethylenically unsaturated carboxylic acids and polyalkylene glycols
A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic...
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6849703 |
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols
Water-soluble polymers of esters made from acrylic acid and alkylpolyalkylene glycols, obtainable by azeotropic esterification of a mixture of acrylic acid and alkylpolyalkylene glycol in a molar...
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6846948 |
Process for preparing butyl acrylate by direct esterification
Butyl acrylate is prepared by reacting acrylic acid and butanol in a reactor in the presence of an esterification catalyst the water formed being entrained by distillation in a column ( 2 ) in the...
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6838515 |
Process for the preparation of esters of (meth)acrylic acid
The invention relates to a process for the preparation of esters of (meth)acrylic acid by (trans)esterifying (meth)acrylic acid or its ester derivatives with monohydric or polyhydric alcohols in...
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6835849 |
Synthesis of alkenoate esters from lactones and alcohols
The invention relates to the synthesis of alkenoate esters from a corresponding lactone and an alcohol in the presence of a basic catalyst. More specifically, this invention relates to the...
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6818791 |
Method for producing higher (meth)acrylic acid esters
The invention relates to a method for producing (meth)acrylic acid esters by transesterification of the (meth)acrylic acid with a higher alkanol in the presence of an acid catalyst, at least one...
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6818790 |
Process for producing mixed gas of lower olefin and lower aliphatic carboxylic acid, and process for producing lower aliphatic ester using the mixed gas
A process for producing a lower aliphatic ester by catalytically reacting a lower olefin and a lower aliphatic carboxylic acid in a gas phase, where the lower aliphatic carboxylic acid is gasified...
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6803378 |
HIV integrase inhibitors
Novel diketoacid compounds of Formula I are provided which are useful as HIV integrase inhibitors and for the treatment of AIDS or ARC.
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6794534 |
Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
The invention is directed to the cross-metathesis and ring-closing metathesis reactions between geminal disubstituted olefins and terminal olefins, wherein the reaction employs a Ruthenium or...
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6784312 |
Fluorine-containing acrylate monomers
The present invention relates to a polymerizable monomer represented by the general formula (1), wherein R 1 is a hydrogen atom, a halogen atom, a hydrocarbon group or a fluorine-containing...
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6777574 |
2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production
Compounds of formula I in the form of their racemates or enantiomers, preferably compounds of formula Ia wherein R 4 is C 1 -C 6 alkyl, Z is chlorine, bromine or iodine, and X is —OH,...
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6768021 |
Process improvement for continuous ethyl acetate production
Disclosed herein is an improved process for producing ethyl acetate comprising contacting acetic acid and ethanol in a reaction zone in the presence of an acid catalyst, distilling formed vapors...
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6768015 |
Method of making alkyl esters using pressure
A method for making alkyl esters, or methylester specifically, such as biodiesel, from an oil source is described. The method involves simultaneously reacting the free fatty acids and glycerides of...
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6753449 |
Cleavable linker for solid phase synthesis
Cleavable alkene-containing linkers and supports useful for the solid phase synthesis of chemical compounds, and combinatorial libraries of compounds, are disclosed. Also disclosed are methods of...
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6740193 |
Gem-diesters and epoxidized derivatives thereof
In accordance with the present invention, there are provided gem-diesters and epoxidized derivatives thereof. When cured, thermosets comprising invention gem-diesters and epoxidized derivatives...
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6730768 |
Methods of preparing casting resins and coating compositions using polyols derived from high oleic acid content fatty acid mixtures
A method for preparing a polyol useful in the formation of an isocyanate casting resin or coating composition is presented involving the reaction of an essentially C 18 fatty acid mixture with a...
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6727383 |
Method for producing acrylic acid and acrylic acid esters
A process for preparing acrylic acid and/or acrylates which comprises the following stage A and, if desired, B and C: A: cooling a gaseous reaction mixture which comprises acrylic acid and is...
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6720445 |
Acetyloxymethyl esters and methods for using the same
Novel acetyloxymethyl esters are disclosed. Methods of treating an illness, including cancer, hemological disorders and inherited metabolic disorders, and treating or ameliorating other conditions...
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6713646 |
Degradable crosslinkers, and degradable crosslinked hydrogels comprising them
One aspect of the present invention relates to base-labile crosslinkers. A second aspect of the present invention relates to degradable crosslinked polymers and hydrogels comprising a base-labile...
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6686144 |
Adsorption of polyampholytes to charged surfaces and assays incorporating same
Polyampholytes including fibronectin and aggrecan are made to aggregate and form fibrillar lattice networks environment free of cells, extraneous proteins and other materials which may be present...
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6680405 |
Process for the preparation of methyl methacrylate
A process for producing methyl methacrylate, which comprises subjecting methacrolein and methanol to direct esterification reaction to thereby obtain a reaction mixture liquid containing at least...
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6673959 |
Preparation of carboxylic esters catalyzed by a sulphonic acid
The preparation of a carboxylic ester by direct reaction of a carboxylic acid and an alcohol catalyzed by a sulphonic acid R—SO 3 H is carried out in the presence of a solid comprising tertiary...
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6670501 |
Process for the production of methyl methacrylate
A process for the manufacture of methyl methacrylate includes a process for separating the methyl methacrylate from certain impurities, at least one of which has a freezing point of greater than...
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6670499 |
Adamantane derivatives and processes for the preparation thereof
Adamantane derivatives in which two (meth)acryloyloxyalkyl groups are bonded with an adamantane ring through ester groups, adamantane derivatives in which two adamantane rings are bonded through an...
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6667341 |
Delta dicarbonyl compounds and methods for using the same
Amidomethyl esters, carbonylmercaptomethyl esters, keto-containing esters, amidomethyl thioesters, amidomethyl amides, and methylene dithioesters are disclosed. The novel compounds have two...
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6664418 |
Method for inhibiting polymerization of a vinyl compound
A method for inhibiting polymerization during transportation, storage and/or production of (meth)acrylic acid or an ester thereof includes adding an N-oxyl compound and water to a vinyl compound;...
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6664413 |
Process for production of esters
A process for producing an ester comprises the steps of: (a) feeding to a first vessel a feed that comprises organic acid, alcohol, and water, whereby organic acid and alcohol react to form...
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6660881 |
Process for producing (meth)acrylic ester
The present invention provides a process for producing a (meth)acrylic ester which enables to obtain a (meth)acrylic ester in an excellent reaction yield. The process for producing a (meth)acrylic...
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6653503 |
Microwave irradiation process for preparing methyl esters
An accelerated process for preparing a methyl ester having formula (III) said process comprising reacting a carboxylic acid or salt thereof having formula (I) with dimethyl carbonate having...
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6651731 |
Method for cooling heating grade heat exchanger in unsteady state
For a heat exchanger using a heating medium for the purpose of heating a fluid to be handled during a steady state, this invention provides a method for using relevant devices which enables the...
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6649788 |
Preparation of polyethylene waxes
In a process for preparing polyethylene waxes at from 200 to 350° C. and pressures in the range from 500 to 4 000 bar using molar mass regulators, a peroxide mixture comprising from 5 to 95% by...
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6649787 |
Method for preparing (meth) acrylic acid ester
An improvement is provided in a method for preparing an (meth)acrylic acid ester comprising an esterification step for forming the (meth)acrylic acid ester by esterification reaction between...
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6646155 |
Method for producing esters of α, β-unsaturated carboxylic acids
An ester of an α,β-unsaturated carboxylic acid is prepared by reacting the carboxylic acid with a C 6 -C 12 -alkanol, cyclopentanol or cyclohexanol in the presence of an acidic esterification...
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6642394 |
Process for producing (meth)acrylic anhydride and process for producing (meth)acrylic ester
(Meth)acrylic acid is reacted with a fatty acid anhydride and the resultant reaction mixture is neutralized and washed with an aqueous alkaline solution having a pH of 7.5 to 13.5. Thus,...
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6617470 |
Method for esterifying (meth)acrylic acid with an alkanol
In a process for esterifying (meth)acrylic acid with an alkanol in the presence of an esterification catalyst, in which unconverted starting compounds and (meth)acrylic ester to be formed are...
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6610879 |
Reaction method by using heterogeneous catalyst and reaction apparatus therefor
When carrying out a liquid-phase reaction by using a heterogeneous catalyst, the separation of the heterogeneous catalyst and the reaction liquid is carried out certainly and effectively. A...
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6610177 |
Apparatus and process for the high yield production of methyl methacrylate or methacrylic acid
A high yield process for the production of methyl methacrylate or methacrylic acid and an apparatus for increasing the yield in a process for the production of methyl methacrylate or methacrylic...
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6610895 |
Process for the preparation of a diol
There is provided a process for the preparation of a polymerisable monomer of formula (I) comprising contacting a compound of formula (II) with an acid such as an immobilised acid.
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6605738 |
Processes for refining butyl acrylate
Crude butyl acrylate streams, e.g., from the reaction of butanol and acrylic acid, are refined using a splitter distillation column to yield a butyl acrylate- and heavies-containing bottoms...
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6603036 |
Process for the manufacture of 2-ethylhexyl acrylate
2-Ethylhexyl acrylate is obtained by esterification of acrylic acid (AA) with 2-ethylhexanol (2-EtHexOH), in the presence of at least one stabilizer for AA, with H 2 SO 4 as catalyst, the crude...
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6600060 |
CLA-esters
The invention is concerned with esters from conjugated linoleic acid and a food allowable alcohol from the group of terpene alcohols and sesquiterpene alcohols. These esters have good taste and...
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6599397 |
Method for preventing polymerization of (meth)acrylic acid and esters thereof and method for the production thereof
This method of preventing polymerization of methacrylic acid inn the process of its production is characterized by comprising using, in a refining column, a combination of...
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6593418 |
Silica gel-containing rubber compounds with organosilicon compounds as compounding agent
The present invention concerns new organic silicon networks, their production process and use in silica-containing rubber compounds and vulcanizates manufactured from them.
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6586619 |
Photoresist monomer having hydroxy group and carboxy group, copolymer thereof and photoresist composition using the same
The present invention relates to novel monomers which can be used to form polymers which are useful in a photolithography employing a light source in the far ultraviolet region of the light...
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