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8075857 |
Apparatus and method for making a peroxycarboxylic acid
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which...
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8017082 |
Apparatus and method for making a peroxycarboxylic acid
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which...
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7816555 |
Peroxycarboxylic acid compositions with reduced odor
The present invention relates to compositions of peroxycarboxylic acid that have reduced odor compared to conventional peroxycarboxylic acid compositions, methods employing these reduced-odor...
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7714049 |
Compounding agent for rubber vulcanization containing amine salt compound of carboxylic group-containing disulfide, method for producing the same, rubber composition containing the same and pneumatic tire using the same as rubber for belt coat and/or belt edge cush
A compounding agent for rubber vulcanization comprising an amine salt compound of a carboxylic acid group-containing disulfide having the formula (I): wherein R1, R2 and R3 are independently...
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7666354 |
Composition for sterilization comprising ω-alkoxyperoxycarboxylic acid
A peroxycarboxylic acid represented by the general formula (I): (wherein R1 represents a substituted or unsubstituted C1-C10 alkyl group, or a substituted or unsubstituted C6-C10 aryl group, L...
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7622606 |
Peroxycarboxylic acid compositions with reduced odor
The present invention relates to compositions of peroxycarboxylic acid that have reduced odor compared to conventional peroxycarboxylic acid compositions, methods employing these reduced-odor...
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7547421 |
Apparatus and method for making a peroxycarboxylic acid
The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which...
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6727382 |
Peroxyacids
Cationic peroxyacids of formula (IV) wherein:R1 is a, optionally substituted, C1-C7 alkyl or alkenyl or alkaryl with a C1-C7 alkyl group;R2 and R3 are each independently a C1-C3 alkyl or C1-C3...
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6423868 |
Process for the production of an aqueous monoester peroxycarboxylic acid solution, the solution obtainable by this process, and its use as disinfectant
Process for the production of an aqueous monoester peroxycarboxylic acid solution by reaction of a peroxygen compound with at least one dicarboxylic acid and with at least one alcohol optionally in...
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6307094 |
Process for substituted 3-hydroxybutyrate esters
The present invention provides a solventless process for the catalytic hydrogenation of esters of 4,4,4-trihaloacetoacetic acid using a platinum catalyst in the presence of an acid or base...
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6207108 |
Peroxygen compositions
Storage stable, aqueous acidic solutions having a pH in the range of from 1 to 5 comprising at least one ester peracid having general formula ##STR1##where R represents an alkyl group having from 1...
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5985815 |
Bleach activators
New compounds useful as bleach activators as well as new percarboxylic acids, which may be formed as intermediates upon reaction of such activators with peroxygen bleach source in aqueous solution,...
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5914303 |
Percarboxylic acids
An aromatic peroxyacid which satisfies the general formula (1): X--Ar--CO--NY--R(Z)--CO--OOH (1)in which X represents hydrogen or a compatible substituent, R represents --(CH2)n -- in which n=2 or...
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5886216 |
Method for producing a chemical product
The invention relates to a method for producing peracetic acid by reacting hydrogen peroxide and acetic acid in a water-based reaction medium in a reactor and continuously distilling off the...
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5879584 |
Process for manufacturing aqueous compositions comprising peracids
A process for manufacturing an aqueous composition of a peracid by reacting an acid anhydride with concentrated hydrogen peroxide. Preferably the aqueous peracid composition is further converted...
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5840672 |
Antioxidant system for lubrication base oils
This invention relates to antioxidant compositions comprising (A) at least one secondary diarylamine, (B) at least one sulfurized olefin and/or sulfurized hindered phenol, and (C) at least one oil...
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5665891 |
Oxidation of ketones
A process for the catalysed oxidation of ketones to esters or lactones with hydrogen peroxide in the presence of a carboxylic acid or anhydride is provided. The process employs gamma alumina as a...
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5648521 |
Process for the preparation of amidoperoxycarboxylic acids
Process for the preparation of amidoperoxycarboxylic acids, comprising the process steps: ring opening of the N-acyllactam to give the corresponding amidocarboxylic acid and, subsequently,...
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5621133 |
Dopamine agonists
Novel compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, wherein A is --O--, --S-- or --CR2 R8 --; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10,...
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5545748 |
Polyglycolate peracid precursors
Polyglycolate compounds are provided having the general structure: ##STR1## wherein n is an integer from 2 to about 10; R is C1-20 linear or branched alkyl, alkoxylated alkyl, cycloalkyl, aryl,...
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5489706 |
Stabilized peracid solutions
Disclosed is a process for improving the storage stability of peracetic acid comprising adding an effective concentration of preferably 0.1-5 wt. % of an aliphatic alcohol ethoxylate wetting agent...
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5463112 |
Peroxycompounds
This invention concerns novel sulphoperoxyacids having the following generic formula ##STR1## wherein the R', R", and M are as defined in the specification. Bleach compositions and methods of...
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5429769 |
Peroxycarboxylic acids and manganese complex catalysts
A bleaching composition and method of using is provided wherein the composition comprises an effective amount for bleaching of an organic peroxyacid whose structure includes a percarboxylic and a...
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5409633 |
Bleach composition
The invention relates to bleach compositions containing, as the bleach, a hydrophobic peroxyacid which is sterically bulky, so that the smallest cross-sectional area of the peroxyacid, defined by...
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5368867 |
Process for the accelerated production of stable solutions, in equilibrium, of peracetic acid in low concentrations
The production of dilute equilibrium, storage stable solutions of peracetic acid from mixtures of aqueous hydrogen peroxide and acetic acid, or by dilution of more concentrated peracetic acid...
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5364959 |
Sulfone peroxycarboxylic acids
There are disclosed novel, highly stable sulfone peroxycarboxylic acids useful in detergent compositions or alone as bleaching agents which are represented by the formula ##STR1## wherein A and B...
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5349083 |
Solutions of peracids
A dilute solution of a lower aliphatic peracid such as peracetic acid, having an equilibrium composition, is produced by contacting hydrogen peroxide with a lower aliphatic acid each at initial...
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5326904 |
Peroxyacid manufacture
The compound 6,6'-terephthal-di(amidoperoxyhexanoic) acid is disclosed.
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5292451 |
Ureidoperoxycarboxylic acids and preparation and use thereof
Compounds of the formula ##STR1## where y is 1 or 2, A is hydrogen, C1 -C2 -alkyl, aryl or a group of the formula ##STR2## if y is 1, or C2 -C20 -alkylene or arylene if y is 2, R1 and R2 can be...
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5286401 |
Use of heterocyclic compounds as bleach activators or optical brighteners in washing and cleaning agents
Heterocyclic compounds which are useful as bleach activators or optical brighteners in washing and cleaning agents have the formula ##STR1## where the variables have the following meanings: X is O,...
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5268003 |
Stable amido peroxycarboxylic acids for bleaching
An amido peroxyacid compound is provided having the formula: ##STR1## wherein R is selected from the group consisting of C1 -C12 alkylene, C5 -C12 cycloalkylene, C6 -C12 arylene and radical...
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5235099 |
Process for the preparation of ureidoperoxycarboxylic acids
A process for the preparation of ureidoperoxycarboxylic acids of the formula ##STR1## in which x is the number 1 or 2, A, if x is 1, is hydrogen, C1 -C20 -alkyl, aryl, preferably phenyl, or...
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5220052 |
Peroxyacid manufacture
In one class of processes for making poorly soluble organic peroxyacids the corresponding carboxylic acid is reacted with hydrogen peroxide in a reaction medium containing a high concentration of...
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5154912 |
O17 isotopic peroxides
The peroxides which include the O17 isotope, especially the hydrogen peroxides and peroxides and hydroperoxides prepared therefrom, are well adapted as nonradioactive labeled compounds for use in...
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5117049 |
Nitrogen-containing peroxycarboxylic monopersulfates
Amino-derivative (poly)peroxycarboxylic acid monopersulfates having the formula: ##STR1## wherein the symbols have the following meanings: R, R1 and R2, which may be alike or different from one...
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5071584 |
Heterocyclic peroxycarboxylic acids useful as bleaches in detergents
Nitrogen-containing heterocyclic (poly)peroxycarboxylic acids having the formula: ##STR1## wherein: R and R1 represent, independently of each other, a hydrogen atom or a straight or branched alkyl,...
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4959187 |
Glycolate ester peracid precursors
The invention provides novel bleaching compositions comprising peracid precursors with the general structure ##STR1## with R, R', R" and L as defined in the specification. Novel peracids and...
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4919836 |
Process for the preparation of diperoxydodecanedioic acid-containing agglomerates and compositions in which these agglomerates are used as bleaching component
A process for the preparation of agglomerates containing diperoxydodecanedioic acid and a water-impermeable material, e.g. lauric acid, which process comprises the successive steps of agitating an...
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4876046 |
Substituted glutaric and adipic diperoxyacids
Novel peroxyacids of the formula: ##STR1## wherein X is an alkylene group selected from propylene and butylene, R is alkyl containing from 4 to 12 carbon atoms, benzyl or phenyl and m is 1 or 2....
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4874556 |
Process for the desensitization of water-insoluble peroxycarboxylic acids
A process for desensitization of water insoluble peroxycarboxylic acids with essentially sodium sulfate in the aqueous phase, wherein the desensitized peroxycarboxylic acids is separated from the...
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4859800 |
Phenoxyacetate peracid precursors
A perhydrolysis system is provided which includes peroxyacid precursors and a source of peroxygen. Upon dissolution in water these compositions provide high yields of a novel peroxyacid having the...
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4852989 |
Bleaching compounds and compositions comprising fatty peroxyacids salts thereof and precursors therefor having amide moieties in the fatty chain
This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching...
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4783278 |
Concentrated liquid compositions containing a peroxygen compound
In general, inorganic or organic peroxyacids are unstable in the presence of a nonionic surfactant, so that it was not feasible to contemplate storing liquid compositions containing both...
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4707307 |
Granular magnesium salts
Granules of magnesium salts are obtained by spraying onto agitated feed particles of the salt a small amount of a dilute aqueous solution of a synthetic poly hydroxy-substituted compound, such as...
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4704404 |
Peroxygen-compounds
Increased energy costs have stimulated a demand for peroxygen compounds that are effective at ambient to hand-hot temperatures, but peroxyacids and acyl peroxides tend to suffer from one or more of...
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4686063 |
Fatty peroxyacids or salts thereof having amide moieties in the fatty chain and low levels of exotherm control agents
This invention relates to peroxyacids having polar amide links in the hydrophobic chains and low levels of exotherm control agents.
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4536313 |
Peroxygen compound
Increased energy costs have stimulated a demand for peroxygen compounds that are effective at ambient to hand-hot temperatures, but peroxyacids and acyl peroxides tend to suffer from one or more of...
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4487723 |
Substituted-butanediperoxoic acids and process for bleaching
Substituted-butanediperoxoic acids represented by the formula ##STR1## wherein R is alkyl of 6 to 18 carbon atoms or phenyl are useful oxidizing agents. These substituted-butanediperoxoic acids are...
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4483781 |
Magnesium salts of peroxycarboxylic acids
The present invention relates to solid magnesium peroxycarboxylate salts and detergent compositions containing them. These compounds have markedly improved stability characteristics relative to the...
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4473507 |
Controlled release laundry bleach product
A granular hydrophobic peroxyacid laundry product comprising a bleach with a surfactant bleach release agent, and an acid having a pKa of from about 2 to about 7, contained inside a pouch, bag or...
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