Sign up
Matches 1 - 50 out of 87 1 2 >


Match Document Document Title
8889900 Sugar ester peracid on site generator and formulator  
Methods and systems for on-site generation of peracid chemistry, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions, are disclosed. In particular, an adjustable biocide...
8877254 In situ generation of peroxycarboxylic acids at alkaline pH, and methods of use thereof  
The present disclosure is related to percarboxylic acid compositions formed in situ in non-equilibrium reactions. The peroxycarboxylic acid compositions are formed using ester based starting...
8729296 Generation of peroxycarboxylic acids at alkaline pH, and their use as textile bleaching and antimicrobial agents  
The present disclosure provides methods for generating percarboxylic acid compositions and/or peroxycarboxylic acid compositions formed external to a point of use in non-equilibrium reactions for...
8415277 Bi-functional compound positively charged at first pH and negatively charged at second pH, solid support comprising the bi-functional compound, and method of isolating nucleic acid using the same  
Provided are a bi-functional compound that is positively charged at a first pH and negatively charged at a second pH, a solid support having the bi-functional compound immobilized thereon, and a...
8277733 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...
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...
8029693 Rapid dilution of peracid solutions to equilibrated solutions  
A method for the rapid dilution of an aqueous peracid solution, particularly, peracetic acid, in which a concentrated peracid solution is diluted with an aqueous diluent to produce a more dilute...
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...
7915445 Method and arrangement for the preparation of percarboxylic acid  
The invention relates to a method and an arrangement in which a percarboxylic acid product is prepared and used. Conventional methods include refrigerated transport and double storage of the...
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...
7439388 Process for converting primary amidoalcohols to amidocarboxylic acids in high yield using water as solvent  
The invention relates to an improved process for oxidizing a primary amidoalcohol to the corresponding amidocarboxylic acid in high yield.
7250529 Synthesis process for 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid  
A highly advantageous process for the preparation of 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid or a salt thereof is described. The process comprises subjecting 1-acetyl 3-hydroxyadamantane to...
7012154 Continuous process for on-site and on-demand production of aqueous peracteic acid  
Peracetic acid in aqueous liquid solution or vapor phase is prepared on-site and on-demand in a continuous process. Peracetic acid can be produced at a controlled rate to meet the demands of a...
6809089 Sulfonylaminocarboxylic acid N-arylamides as guanylate cyclase activators  
The present invention relates to compounds of the formula I in which A1, A2, R2 and R3 have the meanings indicated in the claims, which are valuable pharmaceutical active compounds for the therapy...
6719921 Process for the continuous production of mixtures of substances and reaction mixtures and device for its implementation  
A process for the continuous production of a mixture of substances or of a reaction mixture that has been formed by reaction of components contained therein. The component streams withdrawn from a...
6677477 Process for the production of peracetic acid  
The reaction medium and distillate of a conventional continuous peracetic acid process can be combined into a stable peracetic acid product if the acid catalyst present in the reaction medium is...
6677478 Process for the production of percarboxylic acid  
The conventional process for the production of a peracetic acid product, wherein hydrogen peroxide, acetic acid and water are fed into an aqueous reaction medium containing hydrogen peroxide,...
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...
6049002 Method for the preparation of aqueous solutions containing performic acid as well as their use  
The method for the preparation of aqueous solutions containing performic acid formed by reaction of formic acid and hydrogen peroxide n the presence of a catalyst, the catalyst being a compound...
5977403 Method for the production of lower organic peracids  
Dilute, aqueous solutions of lower organic peracids are rapidly prepared by reacting the anhydride of the organic acid corresponding to the peracid with concentrated hydrogen peroxide to form an...
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...
5883269 Method for controlling the reactivity of an ozonization reaction product  
A method for controlling the reactivity of an ozonized reaction mixture formed by ozonizing an unsaturated compound, wherein the reactivity of the ozonized reaction mixture is controlled by...
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,...
5589032 Process for preparing a bleaching liquor containing percarboxylic acid and caro's acid  
A process for treating a substrate, e.g., lignocellulosic pulp or cellulosic pulps with a mixed peracid solution comprising percarboxylic acid and Caro's acid which results in a higher conversion...
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...
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...
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...
5206425 Process for preparing perpropionic acid solution  
A process for preparing perpropionic acid solution comprising reacting propionic acid with hydrogen peroxide in the presence of a boric acid catalyst wherein the reaction is carried out by using an...
5141731 Process for the generation of peroxyacids  
A process and an apparatus are described for the production of peroxyacids from concentrated solutions of hydrogen peroxide and an oxyacid. The total amount of concentrated hydrogen peroxide is...
5122538 Peroxy acid generator  
We have found a new and useful process to generate peroxy acid sanitizing and bleaching compositions at the point-of-use, the process comprising introducing hydrogen peroxide and a carboxylic acid...
5101051 Process for the production of epoxides  
Epoxides are prepared by reaction of compounds containing olefinic unsaturation, for example α-olefins, terpenes and steroids, with an aliphatic diperoxydicarboxylic acid. The diperoxydicarboxylic ...
5030381 Process for the preparation of stabilized aliphatic diperoxydicarboxylic acids  
Stabilized diperoxydicarboxylic acids are prepared in which diperoxydicarboxylic acids are mixed with sodium sulfate produced in the process to yield improved diperoxydicarboxylic acid granules...
4959497 Process for the production of water insoluble peroxycarboxylic acids  
The invention is directed to a process for hte production of water insoluble peroxycarboxylic acids in which the carboxylic acid is suspended in the reaction mixture and reacted with hydrogen...
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...
4904821 Method of preparing peracetic acid  
In order to safely prepare peracetic acid in an organic solvent, the bottom is maintained in a certain stationary state during the preparation of aqueous peracetic acid, whereupon the vapor current...
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...
4459240 Process for the preparation of percarboxylic acids  
Process of preparing substantially anhydrous solutions of percarboxylic acids which comprises reacting hydrogen peroxide contained in an aqueous solution with a water miscible carboxylic acid in...
4424391 Process for the manufacture of olefine oxides  
A process for the manufacture of olefine oxides, comprising reacting, with an olefine, an organic solution of percarboxylic acid which is obtained by reacting the corresponding carboxylic acid with...
RE31381 Process for the preparation of propylene oxide  
Process for continuous production of propylene oxide (FIG. 1) from propylene and aqueous hydrogen peroxide. The aqueous hydrogen peroxide is first reacted with propionic acid in the presence of...
4391753 Process for the manufacture of carboxylic peracids  
A continuous process for the manufacture of carboxylic peracids by reacting the corresponding carboxylic acid with hydrogen peroxide in the presence of a catalyst and in the presence of an inert...
4370251 Continuous process for the production of peroxycarboxylic acid compositions  
Peroxycarboxylic acid compositions containing stabilizing ingredients are produced by the hydrogen peroxide peroxidation of corresponding carboxylic acids which are not substantially soluble in...
4344897 Process for the preparation of percarboxylic acid solutions  
In a process for the continuous preparation of pure organic solutions of percarboxylic acids having 2 to 5 carbon atoms, by (a) contacting aqueous hydrogen peroxide with a carboxylic acid...
4338260 Preparation of percarboxylic acids  
A process for the preparation of percarboxylic acids by the action of hydrogen peroxide on water miscible carboxylic acids in the presence of a boric acid catalyst and a solvent capable of forming...
4337213 Controlled crystallization diperoxyacid process  
Diperoxyacids are unstable compounds, and processes for their production have normally provided relatively low product throughputs per reactor vessel volume. The present invention is a method for...
4325888 Preparation of peracid by liquid-liquid extraction  
The invention provides a process and apparatus for liquid-liquid extraction in which a first liquid phase is passed continuously through a series of extraction stages (10) while a second liquid...
4314949 Process for making peroxycarboxylic acids  
An improved process, preferably continuous, for making a peroxyacid having about 6 to 18, preferably about 8 to 16 carbon atoms and at least one peroxyacid moiety, using as starting materials the...
4297298 Method of preparing stable dilute solutions of aliphatic carboxylic peracids, and the resulting solutions  
The invention relates to the preparation of dilute solutions of aliphatic rboxylic peracids.In a first step, a concentrated solution of aliphatic peracid is prepared from the corresponding acid or...
4294776 Process for the purification of organic solutions of percarboxylic acids  
Organic solutions of percarboxylic acids are subjected to a wash by means of a dilute aqueous solution containing from 35 to 60% by weight of sulphuric acid, which if appropriate, is preceded by a...
4287135 Stabilized diperoxyalkanedioic acids and aromatic peroxycarboxylic acids  
Diperoxyalkanedioic acids and aromatic peroxycarboxylic acids are prepared by reacting a dialkanoic acid or an aromatic carboxylic acid with hydrogen peroxide in sulfuric acid and then producing a...
4278615 Process for the production of aromatic peroxycarboxylic acids  
Aromatic peroxycarboxylic acids are produced by reacting aromatic carboxylic acids with hydrogen peroxide in the presence of sulfuric acid by having a mixture of aqueous 50-99 weight % H2 O2 and...
Matches 1 - 50 out of 87 1 2 >