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| Number | Title | Issue Date |
| 7671113 | Process for the preparation of nanoscale particles of elastic material The present invention discloses a method for the manufacture of nanoscale particles of Styrene Butadiene Rubber (SBR). As SBR particles are elastic in nature, conventional methods of size reductions such as impacting, grinding are unable to achieve the final size. T... | 03/02/2010 |
| 7361700 | Method for producing colorant excellent in color development There is provided a method for producing colorants which can exhibit excellent color development even in a small amount and are low in thixotropy. The constituent feature of the present invention comprises: enhancing the mol... | 04/22/2008 |
| 7288220 | Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery and recycling of the solvent. ... | 10/30/2007 |
| 7271216 | Polyurethane resin aqueous dispersion and sheet material obtained from the same The present invention provides an isocyanate group terminated prepolymer aqueous dispersion (A) that is composed of water and an isocyanate group terminated prepolymer (a) dispersed in the water, whose content in the (A) is in a range of 60 wt % to 85 wt %, wherein ... | 09/18/2007 |
| 7268180 | Surface tinting composition and method of use A tinting composition for tinting a surface which includes a solvent and a pigment selected from the group consisting of iron oxide, titanium dioxide, mica, calcium sodium borosilicate, organic constituent containing pigments, inorganic constituent containing pigmen... | 09/11/2007 |
| 7253228 | Method for producing polyurethane emulsion The present invention provides a process for producing a polyurethane emulsion, capable of continuously producing a polyurethane emulsion which contains substantially no organic solvent and also has excellent storage stability over time. Disclosed is a process for p... | 08/07/2007 |
| 7166172 | Method of making ferromagnetic iron alloy powder for magnetic recording medium A ferromagnetic iron alloy powder for a magnetic recording medium is composed of acicular iron-base particles of an average major axis length (X) of not less than 20 nm and not greater than 80 nm and have oxygen content of not less than 15 wt % and coercive force (H... | 01/23/2007 |
| 7153902 | High solids emulsions of elastomeric polymers Water-continuous emulsion of elastomeric polymers are disclosed having a solids content of greater than 75%, an average particle size less than 5 μm, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water comprising; an e... | 12/26/2006 |
| 7147807 | Solution spinning of UHMW poly (alpha-olefin) with recovery and recycling of volatile spinning solvent A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery and recycling of the solvent. ... | 12/12/2006 |
| 6913380 | Continuous preparation of heat-vulcanizable silicone compositions High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuou... | 07/05/2005 |
| 6858668 | Method for masking polyisocyanates in emulsion This invention relates to a process for the preparation of aqueous emulsions of blocked (poly)isocyanates, this process comprising the steps consisting successively in: a) placing an isocyanate composition containing free isocyanat... | 02/22/2005 |
| 6777488 | Aqueous polyamide resin dispersion and process for producing the same The aqueous dispersion of polyamide resin of the present invention comprises dispersed polyamide resin particles, basic material and water. The dispersed polyamide resin particles have a weight-average diameter of 0.1-10 μm. The ratio of end carboxyl groups to end ... | 08/17/2004 |
| 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 |
| 6414054 | Continuous preparation of heat-vulcanizable silicone compositions High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer an... | 07/02/2002 |
| 5932633 | Method for making polymers-coated pigment particles using initiator-treated pigments A method of making polymer-coated pigment particles, involving the steps of providing a plurality of pigment particles, each of which has an outer surface coated with a layer of material that operates as a nucleus for initiating polymerization on the oute... | 08/03/1999 |
| 5854314 | Crosslinkable waterborne dispersions of hydroxy functional polydiene polymers and amino resins A crosslinkable waterborne dispersion of a hydroxy functional polydiene polymer composition which comprises: (a) 10 to 65% w of a hydroxy functional polydiene polymer, (b) 0.2 to 25% w of a compatible amino resin, (c) 0.1 to 10% w of a surfactant which is... | 12/29/1998 |
| 5851594 | Aqueous dispersions based on viscous silicone oils capable of cross-linking on removal of water Aqueous dispersions containing: a silicone oil (A) which is cross-linkable by condensation, optionally in the presence of a cross-linking agent (B), into an elastomer; optionally a cross-linking agent (B), a silane (C) and a mineral filler (D); and a cata... | 12/22/1998 |
| 5847038 | Polymer processes A process which comprises subjecting a mixture of a polymer, a conductive component and an additive to an energy of from about 1 to about 20 kilowatt hours per kilogram and an intensity of from about 20 to about 90 kilowatts per kilogram.... | 12/08/1998 |
| 5763505 | Process for the preparation of aqueous emulsions of silicon oils and/or gums and/or resins A method for preparing oil-in-water emulsions of oils, gums or silicone resins by kneading a mixture of (1) a silicone phase (A) with a viscosity of at least 3 Pas or a consistency of at least 200, and (2) an aqueous phase comprising water, at least one s... | 06/09/1998 |
| 5747640 | Continunous process for preparing polytetrafluoroethlene wet powder A process for continuously preparing a wet powder of PTFE, comprising the step of continuously slurrying a PTFE aqueous dispersion with a high shear machine, and the step of continuously granulating the slurry by using vertical agitator. The process can b... | 05/05/1998 |
| 5665796 | Method for the continuous preparation of organopolysiloxane emulsions Method and apparatus for preparing uniform highly dispersed emulsions by using a low drive power and without pressurization, making possible continuous mass production of uniform organopolysiloxane emulsions. An organopolysiloxane, water and a emulsifying... | 09/09/1997 |
| 5648193 | Toner processes A process for the preparation of toner compositions, or particles comprised of i) flushing a pigment into a sulfonated polyester resin, and which resin has a degree of sulfonation of from between about 2.5 and 20 mol percent; ii) dispersing the resulting sulfo... | 07/15/1997 |
| 5563189 | Method for the continuous preparation of organopolysiloxane emulsions Method and apparatus for preparing uniform highly dispersed emulsions by using a low drive power and without pressurization, making possible continuous mass production of uniform organopolysiloxane emulsions. An organopolysiloxane, water and a emulsifying... | 10/08/1996 |
| 5525649 | Magnetic paint and process for producing the same Disclosed herein in are a magnetic paint composed of a kneaded composition comprising fine magnetic iron based alloy particles, acicular fine magnetic iron oxide particles or plate-like fine magnetic ferrite particles, a binder resin and an organic solven... | 06/11/1996 |
| 5516814 | Process for preparing a polymer concentrate A polymer concentrate contains 15-80% by weight of a liquid, pasty or waxy additive, 5-50% by weight of a particulate solid and at least 5% by weight of a polymer. The particulate solid is finely divided and typically has a particle size in the micrometer... | 05/14/1996 |
| 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 |
| 5407975 | Dry polymer and electrolyte mixing system The invention provides a system for thoroughly wetting a dry polymer and mixing it with water, or another electrolyte, to make an electrolyte/polymer mixture. The system uses a funnel which has water introduced along a circumferential pattern therein to f... | 04/18/1995 |
| 5391456 | Toner aggregation processes A process for the preparation of toner compositions comprising: (i) forming a dispersion of resin in an aqueous ionic surfactant solution; (ii) preparing pigment dispersions in water of three different pigments each of a dissimilar color, each dispersion being comp... | 02/21/1995 |
| 5370964 | Toner aggregation process A process for the preparation of toner comprising: (i) preparing a pigment dispersion in water, which dispersion is comprised of pigment, an ionic surfactant, and an optional charge control agent; (ii) shearing the pigment dispersion with a polymeric latex comprise... | 12/06/1994 |
| 5366841 | Toner aggregation processes A process for the preparation of toner compositions comprising: (i) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an ionic surfactant and optionally a charge control agent; (ii) shearing the pigment dispersion with a latex ble... | 11/22/1994 |
| 5364729 | Toner aggregation processes A process for the preparation of toner compositions comprising: (i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge control agent; (ii) shearing said pigment dispersion with a latex or emulsio... | 11/15/1994 |
| 5344738 | Process of making toner compositions A process for the preparation of toner compositions with a volume median particle size of from about 1 to about 25 microns, which process comprises: (i) preparing by emulsion polymerization an anionic charged polymeric latex of submicron particle size, an... | 09/06/1994 |
| 5338779 | Dry polymer activation apparatus and method Polymer activation apparatus for activating a batch of dry polymer in dilution water includes a tank which contains the dilution water in a mixing vessel and a mixing assembly within the mixing vessel. The dilution water is circulated at a high rate throu... | 08/16/1994 |
| 5290654 | Microsuspension processes for toner compositions A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring th... | 03/01/1994 |
| 5284905 | Process for producing stable latex The subject invention discloses a process for producing a neutralized latex that is useful in the manufacture of water reducible coatings which involves. (1) free radical aqueous emulsion polymerizing at a pH of less then about 3.5, a monomer mixture whic... | 02/08/1994 |
| 5169881 | Process for treating pigments The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester ma... | 12/08/1992 |
| 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 |
| 5095049 | Process for producing a low-particle-content transparent thermoplastic resin solution A process for producing a low-particle-content transparent thermoplastic resin solution, which comprises centrifuging a solution of a transparent thermoplastic resin containing free water to separate it into a resin solution phase, an aqueous phase and an... | 03/10/1992 |
| 5068266 | Emulsion water paint and process for its production using phase inversion of epoxy-acrylic curing agent resin composition An o/w water paint having excellent dispersibility and stability is prepared according to a phase conversion process comprising adding ammonia or an amine and water to a solution of an epoxy resin, a hardener resin, and an acrylic resin in an organic solv... | 11/26/1991 |
| 5055500 | Process for treating pigments The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester ma... | 10/08/1991 |
