| Patent application number | Description | Published |
|---|
| 20090162638 | Composites of inorganic and/or organic microparticles and nano-calcium carbonate particles - The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-calcium carbonate with the help of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines, a method for producing such composites, aqueous slurries thereof and their use in papermaking or in the field of paint and plastic production and the use of the inventive binders for coating the microparticles with nano-calcium carbonate. | 06-25-2009 |
| 20090169894 | Composite of Inorganic and/or Organic Microparticles and Nano-Dolomite Particles - The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-dolomiie with the help of binders based on copolymers comprising as monomers one or more diearboxyjic acids and one or more monomers from the group of diamines, triammcs, dialkanolamines or maikanohitnmes, a method for producing such composites, aqueous slurries thereof, their use, and the use of the inventive binders for coating the microparticles with nano-dolomite. | 07-02-2009 |
| 20090312459 | Method for Dry Grinding a Material Containing a Carbonate Ore - A first objective of the present invention is a method for dry milling material which contains carbonate ore, characterized in that the said method comprises the following steps: a) dry milling of the said material in at least one milling unit: (i) in the presence of at least one polyalkylene glycol polymer where at least 90% but preferably 95% at least, and very preferably 98% at least of the monomer units forming the backbone of the said polymer are constituted by ethylene oxide, propylene oxide or their mixtures, and where the molecular weight is at least equal to 400 g/mole, (ii) such that the quantity of water in the said milling until is less than 10% in dry weight of the said material in the said milling unit; b) the milled material may then be classified according to step a) with at least one classification unit; c) the steps a) and/or b) may be repeated with all or part of the milled material from step a) and/or step b). Another aim of the present invention is a product coming from step a) and/or b) and/or c) of the method of the invention. A third object of the present invention is the use of the said product from step a) and/or b) and/or c) for making sealant, paper, paint, plastic or else for formula used in agriculture. | 12-17-2009 |
| 20100041811 | PROCESS FOR THE PREPARATION OF A TREATED MINERAL FILLER PRODUCT, THE OBTAINED MINERAL FILLER PRODUCT AND ITS USES - The present invention relates to the domain of mineral filler treatment processes. The process for the preparation of a treated mineral filler product comprises the following steps: (a) treating at least one dry mineral filler with at least one Group II or Group III salt of a C8 to C24 aliphatic monocarboxylic acid to produce an intermediate mineral filler product; followed by (b) treating the intermediate mineral filler product of step (a) with at least one C8 to C24 aliphatic monocarboxylic acid to produce a treated mineral filler product. Applications in particular to prepare treated mineral filler products (such as Ca carbonate) to be used in plastic applications such as in polypropylene (PP)- or polyethylene (PE)-based breathable or extrusion coating film applications. | 02-18-2010 |
| 20100051216 | PROCESS FOR THE CONTROL OF PITCH - The present invention relates to a process for the control of pitch in an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids, the use of the surface-reacted natural calcium carbonate for pitch control, as well as to a combination of a surface-reacted natural calcium carbonate and talc for pitch control, and the resulting composites. | 03-04-2010 |
| 20100059708 | PROCESS FOR THE REMOVAL OF ENDOCRINE DISRUPTING COMPOUNDS - The present invention relates to the removal of endocrine disrupting compounds from an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids, the use of the surface-reacted natural calcium carbonate for the removal of endocrine disrupting compounds, as well as to a combination of a surface-reacted natural calcium carbonate and activated carbon for the removal of endocrine disrupting compounds. | 03-11-2010 |
| 20100084346 | PROCESS FOR THE PURIFICATION OF WATER - The present invention relates to a process for the purification of water by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids and the use of the surface-reacted natural calcium carbonate for this process. | 04-08-2010 |
| 20100086987 | SURFACE TREATED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT - The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally. | 04-08-2010 |
| 20100222484 | Process of Manufacture of Particles With a Natural Calcium Carbonate and Ethylene Acrylic Acid Salts Base, Suspensions and Dry Pigments Obtained, Their Uses - The present invention consists of a process of preparation of at least one mineral matter and/or of at least one pigment, including a calcium carbonate made at once partially organophilic and partially hydrophilic, in which the carbonate is blended and/or ground and/or concentrated in an aqueous medium, in the presence of at least one salt of ethylene acrylic acid, one dispersing agent and/or one grinding aid agent, which is introduced before and/or during this treatment stage. | 09-02-2010 |
| 20100282127 | SURFACE-REACTED PRECIPITATED CALCIUM CARBONATE, PROCESS TO MAKE SAME, AND USES THEREOF - The present invention relates to a process for the preparation of a pigment comprising a surface-reacted precipitated calcium carbonate (PCC), the process comprising the steps of a) providing at least one precipitated calcium carbonate (PCC)-comprising pigment; b) providing H | 11-11-2010 |
| 20100285189 | Filtering and/or Flocculating Aids for the Purification of Liquid Foods - The present invention relates to new filtering and/or flocculating aids for the purification of liquid foods comprising an adsorbing agent and a spacer, wherein the spacer particles are intrinsically hydrophobic or hydrophobised, and the adsorbing agent particles are intrinsically hydrophobic or hydrophobised and are associated to the spacer particles forming a composite therewith, as well as to a method for their preparation, a process for removing impurities from liquid foods, the use of the improved filtering and/or flocculating aids, a filter cake and precoat used for the purification of liquid foods, as well as a liquid food comprising said filtering and/or flocculating aids. | 11-11-2010 |
| 20100297426 | COMPOSITES OF INORGANIC MICROPARTICLES HAVING A PHOSPHATED SURFACE AND ALKALINE EARTH CARBONATE NANOPARTICLES - The present invention relates to composites comprising inorganic micro pigments and/or fillers in the form of surface-phosphated microparticles, whose surface is at least partially coated with finely divided with alkaline earth carbonate nanoparticles by means of binders based on copolymers comprising as the monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines and epichlorohydrin, a method for producing such composites, aqueous slurries thereof and the use thereof in papermaking or in the field of production of paints and plastics as well as the use of the binders for the coating of microparticles with nano alkaline earth carbonate. | 11-25-2010 |
| 20100331457 | SURFACE-MINERALIZED ORGANIC FIBERS - The present invention relates to surface-mineralized organic fibers comprising organic fibers having a length in the millimeter range, the surface of which is at least partially coated with finely divided alkaline earth carbonate nanoparticles by means of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines and epichlorohydrin, a method for producing such surface-mineralized organic fibers, aqueous slurries thereof, their use in papermaking, in surface finishing of paper, plastic, cement and clay surfaces, in paints and varnishes and the use of the inventive binders for coating the organic fibers with nano alkaline earth carbonates. | 12-30-2010 |
| 20110097255 | Method for Controlling the Shape of Talc Particles - The present invention is directed to a method for controlling the d | 04-28-2011 |
| 20110130076 | ALKALINE EARTH CARBONATE CONTAINING MINERAL FOR SURFACE CLEANING - The present invention relates to a dry blasting process for the cleaning of solid surfaces as well as special abrasive pigments suitable therefor and a method for their production. | 06-02-2011 |
