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8092772 Use of a nozzle for manufacturing sodium percarbonate  
The present invention relates to a use of a two-way spray nozzle (1) with protective gas for manufacturing granular sodium percarbonate, said nozzle comprising a central tube (2) having an outlet...
7368121 Process for controlling moss and liverwort  
A process for eradicating moss and liverwort which includes applying sodium percarbonate; and irrigating the moss. In some cases the process includes applying lime to control the pH of the moss and...
7241433 Process for the preparation of coated granular sodium percarbonate, and product obtainable by the process  
The invention relates to a process for the preparation of coated granular sodium percarbonate having a low TAM value. The preparation is carried out by fluidized-bed spray granulation at a...
7041267 Granular sodium carbonate obtained by fluid-bed spray granulation and a process for its production  
The invention relates to a process for the production, by fluid-bed spray granulation, of granular sodium percarbonate having a low TAM value. According to the invention, in the fluid-bed spray...
6942845 Process for improving the internal stability of sodium percarbonate  
The invention relates to uncoated and/or coated sodium percarbonate with improved internal stability and storage stability; and, a process that provides uncoated and/or coated sodium percarbonate...
6793904 Method for the preparation of sodium percarbonate granules having enhanced stability  
A method for the preparation of sodium percarbonate granules having enhanced stability, comprising modifying the surface of the sodium percarbonate granules by a surface reaction between sodium...
6641866 Process for manufacturing granular coated sodium percarbonate for detergent  
The present invention relates to a manufacturing process of a coated granular sodium percarbonate, wherein the surface of said sodium percarbonate establishes a multiple coating layer by being...
6482385 Sodium percarbonate and process for producing sodium percarbonate  
Sodium percarbonate is traditionally made in a crystallization process from aqueous hydrogen peroxide and sodium carbonate with recycle of mother liquor in the presence of a substantial...
6340452 Sodium percarbonate and process for producing it  
The invention relates to a novel sodium percarbonate in the form of agglomerates of small crystals. The average particle size of the agglomerates is greater than 600 μm. The apparent density of ...
6306811 Compositions containing sodium percarbonate  
Sodium percarbonate exhibits a tendency to decompose in built compositions and particularly detergent compositions built with zeolites. The tendency can be ameliorated by selecting sodium...
6248707 Method for producing sodium percarbonate  
A method for the "dry" production of sodium percarbonate (dry process), in which monohydrate crystals of sodium carbonate are reacted with a quasi-stoichiometric quantity of concentrated aqueous...
6231828 Process for producing sodium percarbonate  
Sodium percarbonate is traditionally made in a crystallization process from aqueous hydrogen peroxide and sodium carbonate with recycle of mother liquor in the presence of a substantial...
6228342 Process for the production of sodium percarbonate  
A flexible process for production of homogeneous sodium precarbonate particles or granules according to which a reaction slurry with an average to high solids content is prepared initially from an...
6159252 Process and device for producing granulates by fluidized bed spray granulation  
This invention relates to a process for the production of granulates by fluidized bed spray granulation and to a device for this purpose. Liquid starting materials may be converted into granulates...
6114266 Copper complexes for nCO and olefin adsorption  
A solid state composition is provided having the formula Cu(A)n Z, where A is CO or olefin, n>1 and Z is a unitary or composite monovalent anion. Further provided are an apparatus adapted to adsorb...
6054066 Process for preparing a sodium percarbonate product  
A process is disclosed for preparing a novel sodium percarbonate product useful in pH-regulated washing and cleaning systems. The disclosed sodium percarbonate product substantially is a mixed...
5851420 Process for manufacturing granular sodium percarbonate  
This invention relates to a process of manufacturing granular sodium percarbonate and more particularly, to a process of a stable granular sodium percarbonate detergent composition having an...
5792738 Granular laundry detergent compositions containing stabilised percarbonate bleach particles  
There is provided a granular, silicate-built, phosphate free laundry detergent composition comprising fine alkali metal percarbonate particles having mean particle diameter below 450 μm, ...
5720896 Laundry bleaching composition  
Dry bleaching compositions are disclosed which comprise an alkali metal salt of percarbonate and a dry-form composition comprising a carboxylic polymer. The compositions provide effective bleaching...
5702635 Granular laundry bleaching composition  
A particulate bleaching composition is disclosed which comprises particles of an alkali metal salt of percarbonate or mixtures thereof. The particles of the percarbonate bleach are coated and/or...
5690701 Process for the manufacture of particles of coated persalts  
Continuous process for the manufacture of solid alkali metal persalt particles coated by crystallization of a supersaturated aqueous solution of persalts and covering of the persalt particles in a...
5670470 Percarbonate stabilised by coating with an aqueous solution of phosphate and boron compounds  
A process for stabilising percarbonate by coating with a coating agent. The percarbonate particles are treated with a concentrated aqueous solution containing at least one boron compound selected...
5632965 Method for the preparation of stabilized sodium percarbonate  
The invention relates to a method for increasing the storage stability of sodium percarbonate (2 Na2 CO3.3 H2 O2) by coating with a sodium perborate.According to the present invention wet sodium...
5624650 Nitric acid process for ferric sulfate production  
Ferric sulfate is produced by treating ferric ammonium sulfate, ammonium jarosite or a similar iron complex with nitric acid. The ferric ammonium sulfate or ammonium jarosite can be formed by...
5603911 Preparing a crystalline, stable sodium percarbonate  
The object of the invention is a process for preparing a crystalline, stable sodium percarbonate, in which polymers of gross formulas (I or II) are added in the preparation process to control the...
5560896 Method for producing granulated sodium percarbonate  
Sodium percarbonate is produced by means of fluidized bed granulation. The process includes spraying an aqueous sodium carbonate solution and a hydrogen peroxide solution onto nuclei in a fluidized...
5556834 Percarbonate particles stabilized by coating with an aqueous solution containing a silicate and a boric acid  
A process for stabilizing percarbonate by coating by means of a coating agent according to which the percarbonate particles are treated with a concentrated aqueous solution containing at least one...
5507972 Process for the preparation of a mixture of sodium silicates and other salts and the use of the mixture  
To prepare a mixture of sodium silicates having lamellar structure and sodium carbonate peroxohydrate, sodium silicate composed essentially of δ-Na2 Si2 O5 is reacted at least partially with ...
5505875 Storage-stable encapsulated sodium percarbonate and process for its production  
Storage stability of finely divided sodium percarbonate is improved by melt-coating of water-insoluble encapsulation agents.
5366655 Stable sodium percarbonate particle and process for preparing same  
A stable sodium percarbonate particle that at least the inside of the particle is penetrated and coated with a borate and a process for preparing the same are disclosed.The sodium percarbonate...
5346680 Sodium percarbonate stabilized by coating  
Sodium percarbonate particles stabilized by being coated with a solid coating material which contains a mixture of sodium carbonate and sodium chloride, optionally together with one or more...
5340496 Stabilized sodium percarbonate composition  
A stabilized sodium percarbonate is obtained by incorporating therein (A) at least one compound selected from the group consisting of mono- and dicarboxylic acids having not less than four carbon...
5332518 Stable slurry-coated sodium percarbonate, process for producing the same and bleach detergent composition containing the same  
A stable sodium percarbonate having excellent stability when incorporated into a bleaching agent composition or a detergent composition, particularly a zeolite-containing detergent composition. The...
5328721 Process for manufacturing sodium carbonate perhydrate particles and coating them with sodium borosilicate  
A process to manufacture and coat a sodium carbonate perhydrate containing 10.5% to 14% active oxygen which is stable in a non-phosphate detergent composition and which has a bulk density of from...
5294427 Continuous process for preparing sodium percarbonate  
A process of continuously crystalizing sodium percarbonate by the reaction of sodium carbonate with hydrogen peroxide using first and second reaction vessels includes the steps of: (a) continuously...
5258133 Sodium percarbonate stabilized with a coating of an alkalimetal citrate  
A stable coated percarbonate bleach product is described wherein sodium percarbonate particles are coated with at least 1% by weight of an alkalimetal citrate wherein the product is formed by...
5244644 Process for improving the storage stability of percarbonate and percarbonate composition produced thereby  
A process for producing an alkali metal carbonate peroxyhydrate having improved storage stability by mixing particles of an alkali metal carbonate peroxyhydrate with an effective storage stability...
5236613 Particulate bleaching detergent composition  
There is provided a particulate bleaching detergent composition having improved stability, said composition comprising a zeolite built base powder and alkalimetal percarbonate particles having a...
5219549 Bleaching detergent composition  
A bleaching detergent composition is disclosed which contains granulated sodium percarbonate incorporated therein formed by separately spraying an aqueous boric acid solution and an aqueous alkali...
5061599 Radiation sensitive materials  
A radiation-sensitive material comprising a polyacid composed of tungsten and niobium, titanium and/or tantalum. A uniform film can be formed by an easy spin coating method. The polyacid has a...
5045296 Sodium carbonate perhydrate process  
A process is provided to react anhydrous carbonate with a particle size between 300 and 74 micrometers and hydrogen peroxide containing a hydroxyalkylidene diphosphonic acid to produce sodium...
4970019 Particulate composition containing bleach and optical brightener and process for its manufacture  
A manufacturing process and composition is claimed for a composition of matter comprising sodium carbonate, sodium carbonate perhydrate, a fluorescent whitening agent and a diphosphonic acid. The...
4970058 Soda ash peroxygen carrier  
A novel composition of matter is claimed comprising particles which appear to comprise sodium carbonate, sodium percarbonate (also called sodium carbonate peroxide or sodium carbonate perhydrate),...
4966762 Process for manufacturing a soda ash peroxygen carrier  
A novel process is claimed for manufacturing a composition of matter comprising particles which appear to comprise sodium carbonate, sodium carbonate peroxide and a stabilizer such as, a...
4849198 Method of reducing the tendency of particulate active oxygen compounds to cake  
Particulate, active-oxygen compounds, especially sodium percarbonate, tend to cake during storage, which makes it more difficult to handle them. The invention reduces this caking tendency while the...
4681748 Superoxidized sodium perborate  
Superoxidized sodium perborate with an active oxygen content of more than 16 wt. % and a specially adapted process for its preparation.
4440732 Hollow granular percarbonate  
A hollow granular percarbonate is disclosed wherein the granules are hollow and the shell thereof is made of a crystalline percarbonate, along with a process for the preparation thereof.
4428914 Process for making sodium percarbonate granules  
A process for the production of sodium percarbonate granules comprises the steps of impregnating seeds with an aqueous phase or phases containing sodium percarbonate or its precursors, and...
4409197 Process for producing sodium percarbonate  
A process for producing sodium percarbonate which comprises reacting sodium carbonate with hydrogen peroxide in a working solution of sodium carbonate, hydrogen peroxide and water, said reaction...
4325933 Process for stabilization of sodium percarbonate  
Sodium percarbonate can be stabilized by treatment with an aqueous solution of an alkaline earth metal salt to form a thin layer of an alkaline earth metal carbonate on the surface. The resulting...
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