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| Number | Title | Issue Date |
| 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 percarboxylic acid product before the consumption thereof at its site of us... | 03/29/2011 |
| 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. ... | 10/21/2008 |
| 7307187 | Process for converting primary amidoalcohols to amidocarboxylic acids in high yield The invention relates to an improved process for oxidizing a primary amidoalcohol to the corresponding amidocarboxylic acid in high yield. ... | 12/11/2007 |
| 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 liquid phase oxidation with permanganate to produce 2-(3-hydroxy-1-adaman... | 07/31/2007 |
| 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 downstream operation. In one embodiment, a pipe-line reactor and distilla... | 03/14/2006 |
| 6962714 | Critical fluid antimicrobial compositions and their use and generation The present invention relates to antimicrobial compositions including a critical, near critical, or supercritical (densified) fluid and an antimicrobial agent, to methods of forming these compositions, and to methods employing these compositions. An antimicrobial ag... | 11/08/2005 |
| 6927305 | Process for production of alkanesulfonic acid The present invention relates to a process for the production of alkanesulfonic acid. More particularly, the present invention relates to a process for the production of alkanesulfonic acid from alkyl mercaptan effluents generated in chemical industries. The process... | 08/09/2005 |
| 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 com... | 10/26/2004 |
| 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 storage container (1, 2 or 3) or a distribution network... | 04/13/2004 |
| 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 neutralized.... | 01/13/2004 |
| 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, acetic acid, peracetic acid and an acid catalyst, wherein hydro... | 01/13/2004 |
| 6548547 | Sulfonylamino carboxylic acid N-arylamides as guanylate cyclase activators The present invention relates to compounds of the formula I ##STR1## in which A1, A2, R2 and R3 have the meanings indicated in the claims, which are valuable pharmaceutical active compounds for the therapy and p... | 04/15/2003 |
| 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 the presence of an acid catalyst. Aqueous monoester perox... | 07/23/2002 |
| 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 containing at least one ester group and/or group (a) differin... | 04/11/2000 |
| 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 aqueous peracid mixture. Before equilibrium is attained, the... | 11/02/1999 |
| 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 produced peracetic acid. Thermal energy in an in an amount excee... | 03/23/1999 |
| 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 introducing a reactivity controlling amount of a saturated fatty ... | 03/16/1999 |
| 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, oxidation of the resulting amidocarboxylic acid to the correspondi... | 07/15/1997 |
| 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 rate of the active oxygen in the hydrogen peroxide in order... | 12/31/1996 |
| 5387709 | Substituted sulfonamides, process of preparation and medicines containing same The present invention concerns new substituted sulfonamides, and the physiologically acceptable salts possibly in the form of complexes, esters and amides thereof, represented by the formula: ##STR1##... | 02/07/1995 |
| 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 high concentrations in an aqueous reaction mixture to rapidly... | 09/20/1994 |
| 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 haloaryl, preferably chlorophenyl, or ... | 08/10/1993 |
| 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 sulphuric acid. The presence of such constituents in the re... | 06/15/1993 |
| 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 ethyl propionate as a reaction solvent, and water in the ... | 04/27/1993 |
| 5149864 | 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 R | 09/22/1992 |
| 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 divided into at least two portions which are added separately... | 08/25/1992 |
| 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 into a reactor at about 0.1 to 10 moles of hydrogen peroxi... | 06/16/1992 |
| 5101051 | Process for the production of epoxides Epoxides are prepared by reaction of compounds containing olefinic unsaturation, for example -olefins, terpenes and steroids, with an aliphatic diperoxydicarboxylic acid. The diperoxydicarboxylic acid contains 2 to 16 carbon atoms and suitably at l... | 03/31/1992 |
| 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 having good chemical stability despite a high impurity conten... | 07/09/1991 |
| 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 peroxide in the presence of pyridine-2,6-dicarboxylic acid.... | 09/25/1990 |
| 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 aqueous suspension of the peroxy acid in the presence of t... | 04/24/1990 |
| 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 of peracetic acid, acetic acid and water is absorbed with... | 02/27/1990 |
| 4795594 | Process for the production of water insoluble peroxycarboxylic acids The strong foaming which occurs during the reaction of a carboxylic acid, aqueous hydrogen peroxide and sulfuric acid as well as when a phlegmatizing additive is also employed is greatly reduced by adding a phosphane oxide. Besides a local gathering of al... | 01/03/1989 |
| 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 poor thermal stability, or sensitivity to impact, thereby... | 08/20/1985 |
| 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 the presence of a catalyst and an azeotropic organic solvent... | 07/10/1984 |
| 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 hydrogen peroxide. The organic solvent employed is a mixt... | 01/03/1984 |
| 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 organic liquid which is a solvent for the peracid and is cap... | 07/05/1983 |
| 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 water by a continuous process in which the peroxidation react... | 01/25/1983 |
| 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 containing 2 to 5 carbon atoms in the presence of an acid catalyst at a ... | 08/17/1982 |
| 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 a heteroazeotrope with the water and continuously eliminat... | 07/06/1982 |
