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| Number | Title | Issue Date |
| 7312259 | Process for manufacturing polymers The present invention relates to a process for preparing dry polymer granules having increased minimum ignition energy, lowered to unchanged maximum explosion pressure, lowered explosion strength (Kst) coupled with reduced dusting levels by drying a mixture includin... | 12/25/2007 |
| 7277570 | Method and apparatus for witness card statistical analysis using image processing techniques A method and apparatus for performing witness card statistical analysis using image processing techniques to quickly and efficiently generate as-sprayed performance statistics for a spray device, or spray, based upon a comprehensive analysis of as-sprayed witness ca... | 10/02/2007 |
| 7273899 | Materials and method for making splayed layered materials The present invention relates to a splayed material comprising a layered material splayed with a particle having a diameter equal to or less than 3 micrometers. Another embodiment of the invention includes an article comprising a matrix and a layered material splaye... | 09/25/2007 |
| 7256225 | Methods of preparing a polymeric material A method is disclosed to prepare a polymeric material by filtering solutions of poly(arylene ether) and/or poly(alkenyl aromatic) through one or more filtration systems to provide a material having reduced levels of particulate impurities. The polymeric material pre... | 08/14/2007 |
| 7250448 | Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC... | 07/31/2007 |
| 7250468 | Polyvinyl-alcohol-stabilized redispersible powders with plasticizing properties Polyvinyl-alcohol-stabilized redispersible powders which have plasticizing properties are obtained by drying polyvinyl-alcohol-stabilized aqueous dispersions of polymers of one or more monomers from the group of vinyl esters of optionally branched C1-18 a... | 07/31/2007 |
| 7217758 | Polymeric aqueous coating compositions An aqueous coating composition comprising a crosslinkable water-dispersible oligomer(s), a dispersed polymer(s) and optionally a non-crosslinkable water-dispersible oligomer wherein the crosslinkable oligomer(s) and non-crosslinkable oligomer(s) comply with Equation... | 05/15/2007 |
| 7192995 | Homogenous compositions of polymers and crystalline solids or cross-linking agents and methods of making the same Elastomeric polymers are combined with chemical agents in the presence of supercritical fluids such as supercritical carbon dioxide by swelling the polymer with the supercritical fluid, and impregnating the swollen polymer with the chemical agent. The process can be... | 03/20/2007 |
| 7153538 | Method and apparatus for the coating of substrates for pharmaceutical use A method of coating a pharmaceutical substrate includes the steps of applying an active coating material to a surface of the substrate to form an active coating layer and applying a cover coating material onto the active coating layer to form a cover coating layer. ... | 12/26/2006 |
| 7152819 | High pressure media mill This invention discloses a high pressure media mill (HPMM) and processes for use thereof. ... | 12/26/2006 |
| 7144931 | Method of manufacturing polymer particles A method of manufacturing polymer particles capable of increasing the easiness of handling of powder when the powder is collected and preventing the powder from adhering to the wall surface of a dryer and the outlet of the dryer from being clogged with the powder by... | 12/05/2006 |
| 7087197 | Particle formation Method for preparing a target substance in particulate form, comprising introducing into a particle formation vessel, through separate first and second fluid inlets respectively, (a) a “target solution/suspension” of the substance in a fluid vehicle and (b) a co... | 08/08/2006 |
| 7019050 | Alternate dispersants for spray-dried concentrate components Concentrates and method of making concentrates are disclosed. The concentrates may be incorporated into thermoformable articles as a concentrate powder or as a paste. Thermoformable articles, such as fibers, containing the concentrates and methods of making the ther... | 03/28/2006 |
| 6989410 | Processes for preparing multimodal polymer particle compositions A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions th... | 01/24/2006 |
| 6946087 | Resin mixtures and dispersions The invention discloses a method by which a fluid heat reactive resin system is formulated below the melting point of the resin. This permits the application of coatings and the formation of shapes and powders from the fluid heat reactive system. Liquefied gases are... | 09/20/2005 |
| 6939904 | Method of manufacturing polymer particles A method of manufacturing polymer particles capable of increasing the easiness of handling of powder when the powder is collected and preventing the powder from adhering to the wall surface of a dryer and the outlet of the dryer from being clogged with the powder by... | 09/06/2005 |
| 6914087 | Process for producing powder coating composition, powder coating composition, and method of coating film formation A powder coating is provided which does not require a long complicated production process, can be produced easily and with no danger of gelling occurring during production, and which forms a paint film with superior smoothness and with no film defects such as bubble... | 07/05/2005 |
| 6780942 | Method of preparation of porous polyester particles The present invention relates to a method of forming porous particles comprising preparing a mixture of an organic phase and an aqueous phase comprising an unsaturated polyester, a water immiscible organic solvent, at least one organic-soluble ethylenically unsatura... | 08/24/2004 |
| 6713534 | Rubber powders having pulverulent silicatic fillers and prepared from rubbers present in organic solvents, a process for their preparation, and their use A fine-particle, free-flowing rubber powder containing silicatic fillers, one or more organosilanes having trialkoxysilyl groups, and a rubber prepared by solution polymerization is prepared by a process that starts from a two-phase system: 1) filler in water, and 2... | 03/30/2004 |
| 6653372 | Preparation of addition-polymer powder A process for preparing an addition-polymer powder suitable for modifying a binding mineral building material by drying an aqueous addition-polymer dispersion whose film has a glass transition temperature Tgࣘ30° C. and to which a drying assistant has b... | 11/25/2003 |
| 6506213 | Manufacturing orthopedic parts using supercritical fluid processing techniques Orthopedic parts are manufactured using supercritical fluid processing techniques in which starting materials and a process medium are mixed in a reactor to form a supercritical fluid slurry. The starting materials include a source of calcium ions and a p... | 01/14/2003 |
| 6429285 | Polymer compositions providing low residue levels and methods of use thereof Polymer emulsion compositions presenting low levels of residue after thermolytic decomposition are provided. The compositions, based on polyhydroxyalkanoates or acrylics, are useful in a variety of applications, including the metallization of cathode ray ... | 08/06/2002 |
| 6407161 | Polymerization processes and products and uses of the products Dry particulate polymeric products, generally spray dried granules, are made by reverse phase polymerization in a partially water miscible continuous phase in the presence of an ionizable stabilizer which is water soluble when ionized and water insoluble ... | 06/18/2002 |
| 6348532 | Process for the preparation of vinylaromatic copolymer redispersion powders redispersible in water A process for the preparation of vinylaromatic copolymer redispersion powders redispersible in water is by free-radical emulsion polymerization of a comonomer mixture including (a) one or more vinylaromatic comonomers, (b) one or more 1,3-diene comonomers (b1)... | 02/19/2002 |
| 6313199 | Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby Processes for spray drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry wate... | 11/06/2001 |
| 6242512 | Re-dispersible polymer powder and aqueous polymer dispersions obtainable therefrom The invention provides a redispersible polymer powder based on a mixture of water-insoluble polymer and a water-soluble atomized protective colloid which can be de-activated through a pH change. In addition, the invention concerns aqueous dispersions that... | 06/05/2001 |
| 6201062 | Method for producing protective colloid-free dispersions and dispersion powders The invention relates to a method of producing protective colloid free, aqueous dispersions of vinyl ester co-polymers by radical emulsion polymerization of 40 to 99.5 weight percent vinyl acetate, 0 to 40 weight percent of one or several alkenes, 0 to 40... | 03/13/2001 |
| 6133345 | Process for preparing pulverulent polymers by drying aqueous polymer dispersions The invention provides for a process for preparing pulverulent polymers by drying aqueous polymer dispersions in the presence of copolymers based on ethylenically unsaturated C3 -C6 carboxylic acids and their hydroxyalkyl esters as a... | 10/17/2000 |
| 6117960 | Water-soluble cross-linkable copolymers The invention concerns water-soluble cross-linkable copolymers having a molecular weight of ࣘ500000 and comprising a) between 20 and 95 wt. % sulphonic-acid- or sulphonate-group-containing monomer units; b) between 4 and 80 wt. % N-methylol- or N-alkoxy... | 09/12/2000 |
| 6110995 | Process for preparing novel high solids non-aqueous polymer compositions The use of falling-film evaporation and a concentration means such as centrifugal separation to dehydrate and concentrate a water-in-oil polymer emulsion or suspension is disclosed. In a preferred embodiment, a water-in-oil polymer composition containing ... | 08/29/2000 |
| 6034156 | Dispersion The presently claimed process for the production of a solid pigment/resin dispersion comprises the steps of mixing together a particulate pigment, a solid resin carrier, a water-immiscible organic solvent in which the carrier is at least partially soluble... | 03/07/2000 |
| 6011089 | Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby Processes for spray drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry wate... | 01/04/2000 |
| 5981696 | Process for preparing coating powder compositions and their use for making coatings The invention concerns a process for preparing coating powder compositions in which one or a plurality of base resins and one or a plurality of hardeners, each of which is in solid form, is dissolved with a low-molecular compound above its critical pressu... | 11/09/1999 |
| 5973032 | Dispersible additive systems for polymeric materials Dispersible additive systems for polymeric materials include dispersant-coated pigments in a liquid nonaqueous polymeric carrier. The additive systems are most preferably in the form of a particulate nonaqueous paste which can be added in metered amounts ... | 10/26/1999 |
| 5962554 | Use of polymers as assistants in the drying of aqueous polymer dispersions Polymers composed of at least >80% by weight of monomers of the formula ##STR1## where R1, R2 and R3 are each C1 -C3 -alkyl, R4 is C1 -C5 -alkyl and X is 0 or NH, are used ... | 10/05/1999 |
| 5869542 | Spray drying of polymer-containing dispersions, water-in-oil emulsions and microemulsions and dry polymer products formed thereby Processes for spray drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry wate... | 02/09/1999 |
| 5770641 | Vinyl chloride-based plastisol A vinyl chloride-based plastisol which contains a) powder of a vinyl chloride polymer obtainable by spray drying an aqueous dispersion of a vinyl chloride polymer, the dispersion containing a polyhydric alcohol in an amount of 0.3 to 5 parts by weight per... | 06/23/1998 |
| 5739270 | Method and apparatus for separating polymer from a plastic, and the resulting separated polymer A method and apparatus for continuously separating polymer from a plastic, and the resulting separated polymer. The plastic is made flowable into a stream through melting or solubilizing. A critical fluid, such as supercritical carbon dioxide, is added to... | 04/14/1998 |
| 5726224 | Composition of a redispersible spray dried unsaturated sulfonic acid polymer powder and a mineral binder Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R1, R2 and R3 are each C1 -C3 -alkyl, R4 is C1 -C3 -alkyl and X... | 03/10/1998 |
| 5696228 | Process for producing substantially dry polymer particles from aqueous dispersions Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.... | 12/09/1997 |
