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| Number | Title | Issue Date |
| 7557150 | Method for manufacturing dispersion and ink using dispersion obtained thereby A method for manufacturing a dispersion, the method including a step of forming a reaction product by allowing at least two types of liquids to react with each other, the dispersion including a dispersion medium and particles formed from the reaction product dispers... | 07/07/2009 |
| 7183456 | Water-absorbent resin and production process therefor In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a metho... | 02/27/2007 |
| 6680354 | High concentration agitation of PVA polymer powders The present invention is a process for preparing high concentration polyvinyl alcohol (PVA) aqueous mixtures, wherein the PVA solid concentration is at least 14% in the mixture.... | 01/20/2004 |
| 6313198 | Emulsion feed assembly and method The present invention is directed to a polymer feed system and a method of using the same wherein clogging of the polymer input line is avoided by the use of air to purge the system of any unwanted polymer or electrolyte. The purging avoids the contact of... | 11/06/2001 |
| 6140394 | Method and apparatus of suspension polymerization A method of suspension polymerization of a monomeric composition to produce a polymer or a polymer composition is disclosed which method comprises the steps of retaining a disperse phase component composed of the monomeric composition and a continuous pha... | 10/31/2000 |
| 6087440 | Continuous process for preparing a polyurethane latex A polyurethane/urea/thiourea latex having a narrow molecular weight polydispersity and sub-micron particle size can be prepared by first preparing a high solids (between about 65% and 74% solids) latex of a polyurethane/urea/thiourea prepolymer, then cont... | 07/11/2000 |
| 6051630 | Process for preparing a dispersion of hard particles in solvent A process and a high pressure apparatus are disclosed which are useful in preparing magnetic dispersions and other dispersions of hard, non-compliant particulates. The apparatus can be monitored for clogs and wear and allows for relatively quick and inexp... | 04/18/2000 |
| 6004024 | Emulsion feed assembly The present invention is directed to a polymer feed system and a method of using the same wherein clogging of the polymer input line is avoided by the use of air to purge the system of any unwanted polymer or electrolyte. The purging avoids the contact of... | 12/21/1999 |
| 5981653 | Process for the production of aqueous stoving coating compositions The present invention relates to a process for the production of aqueous dispersions which form powder coatings at room temperature, have an average particle size of 0.1 to 10 μm, contain polyols and blocked polyisocyanate crosslinking agents, and, after... | 11/09/1999 |
| 5852076 | Process for preparing a dispersion of hard particles in solvent A process and a high pressure apparatus are disclosed which are useful in preparing magnetic dispersions and other dispersions of hard, non-compliant particulates. The apparatus can be monitored for clogs and wear and allows for relatively quick and inexp... | 12/22/1998 |
| 5731134 | Gelatin and polymer latex dispersion coating compositions Stable photographic coating compositions comprising a polymer latex are prepared by mixing an aqueous solution comprising gelatin with a latex dispersion of a polymer of the formula (A)x (B)y (C)z where A and B are formed from ... | 03/24/1998 |
| 5594047 | Method for forming photographic dispersions comprising loaded latex polymers Loaded latex dispersions of hydrophobic photographically useful compounds with a wide variety of polymer latices are prepared by preparing an oil phase solution of the hydrophobic compound or compounds, preferably essentially free of water-miscible or vol... | 01/14/1997 |
| 5426137 | Method for continuously mixing fluids Apparatus and method of hydrating a particulated polymer and producing a well treatment gel includes a mixer for spraying the polymer with water at a substantially constant water velocity and at a substantially constant water spray pattern at all flow rat... | 06/20/1995 |
| 5369148 | Method for continuous agglomeration of an absorbent resin powder and apparatus therefor Continuous agglomeration of an absorbent resin powder is accomplished by a method which comprises introducing the absorbent resin powder into a cylindrical member having an open lower end by means of a current of air through a dispersing member disposed i... | 11/29/1994 |
| 5266211 | Process for precipitating polymers This invention concerns a method for precipitating polymers from a liquid using at least one precipitant fluid, including a feed line, a nozzle plate having at least one outlet orifice for a polymer containing fluid with the outlet orifice communicating w... | 11/30/1993 |
| 5262106 | Anisotropic fiber alignment in composite structures High strength material composite structures are formed with oriented fibers to provide controlled anisotropic fibers. Fibers suspended in non-dilute concentrations (e.g., up to 20 volume percent for fibers having an aspect ratio of 20) in a selected mediu... | 11/16/1993 |
| 5181987 | Device and process for precipitating polymers A device for precipitating polymers from a liquid by at least one precipitant fluid includes a feed line, a nozzle plate having at least one outlet orifice for a polymer containing fluid with the outlet orifice communicating with the feed line, at least o... | 01/26/1993 |
| 5164429 | Polymer activation apparatus Polymer activation apparatus for activating a liquid polymer emulsion in dilution water includes a first processing zone in which the polymer solution is subjected to a high mean shear rate for a predetermined period of time, and a second processing zone ... | 11/17/1992 |
| 5118728 | Spray polyurea elastomers using chopped glass roving A spray polyurea elastomer is made in combination with a filler material by spraying together two reactive elastomers and dispensing filler material into the spray pattern.... | 06/02/1992 |
| 4794166 | Process for the preparation of a hydrogel which is largely free from monomers A polymer hydrogel substantially free from monomers and oligomers is prepared by contacting a previously prepared polymer hydrogel with a single-phase mixture of water and a solvent and then separating the mixture of water and solvent from the hydrogel.... | 12/27/1988 |
| 4778835 | Process and apparatus for preparing polyester dissipations A process and apparatus for preparing a homogeneous dissipation of a viscous, liquid-dissipatable polymer. The process comprises continuously feeding molten polymer into a first inlet of a mixing chamber, feeding a stream of a relatively low viscosity dis... | 10/18/1988 |
| 4659755 | Method of continuously operating a counter-flow washing column The method of continuously operating a counter-flow washing column which is supplied with a slurry of solid polymer particles in a diluent from a continuous polymerization zone and with washing liquid for extracting wash slurry and introducing it into a h... | 04/21/1987 |
| 4652595 | Process and apparatus for the preparation of mixtures of isocyanate and water which are stable for a short time for glueing particulate material, in particular chips, fibers or the like The present invention relates to a process for the preparation of mixtures of isocyanate and water which are stable for a short time for glueing particulate material, in particular chips, fibers, or the like, in which isocyanate is injected at high pressu... | 03/24/1987 |
| 4421874 | Polymer slurry washing A polymer slurry is passed past a filter and a wash fluid is caused to flow at a substantial angle with respect to the flow of the polymer slurry and toward the filter such as to replace at least a substantial portion of the fluid of the polymer slurry.... | 12/20/1983 |
| 4420572 | Continuous process for the production of highly concentrated spinning solutions of acrylonitrile polymers and a suitable device for this purpose The invention relates to a process and device for the production of highly concentrated spinning solutions from acrylonitrile polymers, where the dissolving is carried out in one step in a stirred mixing vessel, which has a disc-shaped stirrer rotating in... | 12/13/1983 |
| 4340516 | Compounding mica and resin with heat sensitive additives A method of rapidly compounding melt forming resin, mica and chlorinated hydrocarbon wherein the mica has a coating comprising the chlorinated hydrocarbon, which method comprises providing a molten mass of the resin, contacting the molten mass with the co... | 07/20/1982 |
| 4303569 | Coagulation of latex There is provided a process and apparatus for the coagulation of an aqueous latex of a polymer wherein the latex and an aqueous coagulant are mixed in a tubular coagulation means which is disposed at an angle of from about 20° up to 90° to the horizonta... | 12/01/1981 |
| 4209436 | Process for the removal of non-converted monomers from a copolymer of acrylonitrile Process for the removal of unconverted monomers from a copolymer of acrylonitrile with one or more monomers copolymerizable therewith by a treatment with steam wherein a latex of said copolymer obtained from a polymerization stage is subjected to a contin... | 06/24/1980 |
| 4168373 | Removal of residual vinyl chloride monomer from polyvinyl chloride latex An improved process for reducing the amount of residual vinyl chloride monomer in polyvinyl chloride latex to acceptable levels is provided. Carefully controlled sparging and defoaming removes the monomer without affecting physical properties of the latex... | 09/18/1979 |
| 4148990 | Continuous removal of monomers from an aqueous dispersion of a polymer An aqueous polymer dispersion containing approximately 1 to 60 weight % of solid polymer particles with an average size of 20 to 500 microns and 5000 to 15,000 ppm of monomer(s), is freed from monomeric material. More specifically, the aqueous dispersion ... | 04/10/1979 |
| 4123587 | Method of manufacturing a finely granular concentrate of fire-retarding foam-forming solid addition substances for plastics, varnishes, coating compositions, and similar substrates A method is provided for producing a fine granular concentrate of fire-retarding, foam-forming solids for addition to host material including plastics, paints, coating compositions and the like by mixing particles of solid fire-retarding additives of part... | 10/31/1978 |
| 4065421 | Continuous process for the production of aqueous urea-formaldehyde solutions This invention relates to a process for the continuous production of aqueous urea-formaldehyde solutions having a mol ratio of formaldehyde to urea ranging from about 4.0 to about 6.0 and having a total solids content ranging from about 60% to about 85% b... | 12/27/1977 |
| 4029633 | Carbon black-rubber masterbatch production This disclosure relates to a continuous process for the preparation of rubber masterbatches.... | 06/14/1977 |
| 4021402 | Method and composition for preventing water contaminated with industrial waste seeping through soil containing said water There is disclosed a method for containing water having a high concentration of water-soluble industrial waste which, when in contact with bentonite, disintegrates the bentonite thereby allowing seepage of water through soil containing said water which co... | 05/03/1977 |
| 4017445 | Process for the removal of vinyl chloride from polyvinyl chloride dispersions Residual vinyl chloride contents of aqueous polyvinyl chloride dispersions is reduced to less than 50 ppm by withdrawing steam and vinyl chloride contained in a boiling aqueous polyvinyl chloride dispersion at a temperature of 80°-100° C. and at a vapor... | 04/12/1977 |