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| Number | Title | Issue Date |
| 7368161 | Color stable pigmented polymeric films Color-stable, pigmented optical bodies comprising a single or multiple layer core having at least one layer of a thermoplastic polymer material. The thermoplastic polymer material has dispersed within it a particulate pigment. The optical bodies generally possess hi... | 05/06/2008 |
| 7345110 | Process for the continuous production of an aqueous polyurethane dispersion A process for the continuous production of an aqueous polyurethane dispersion based on at least one aliphatic and/or aromatic polyisocyanate is described, which is characterised by the following steps: a) production of an aqueous p... | 03/18/2008 |
| 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 |
| 7195728 | Method for molding rubber product A method of molding a rubber product from a rubber compound by a molding apparatus having a kneading region. A full amount of carbon black (CB) and a full amount of process oil, together with other auxiliary materials except vulcanizing chemicals, are compounded wit... | 03/27/2007 |
| 7179531 | Polymer particles having select pendant groups and composition prepared therefrom Polymer particles having select functional or absorbing groups are provided. The polymer particles are useful for preparing organic-inorganic composite particles that are suitable for providing dried coatings with improved hiding. Aqueous compositions containing the... | 02/20/2007 |
| 7101921 | Polymer composition A polymer composition including polymer particles containing a first polymer and a second polymer is disclosed. The first polymer has a crosslinked core and has a glass transition temperature in the range of −30° C. to 100° C. The second polymer containing selec... | 09/05/2006 |
| 7008986 | Stabilized thermoplastic moulding materials The invention relates to thermoplastic moulding materials containing A) 29 to (100 wt. % minus 1 ppb) of at least one thermoplastic polymer. B) 1 ppb to 1 wt. % or at least one polyethyleneimine homopolymer of copolymer, as well as C) 0 to 70 wt. % of other additive... | 03/07/2006 |
| 7005480 | Resin dispersions having uniform particle diameters, resin particles and processes for producing both The present invention provides a method of producing an aqueous dispersion. A resin (b) or a solvent solution thereof, or a precursor (b0) of the resin (b) or a solvent solution thereof is dispersed in an aqueous dispersion of resin particles (A) composed of resin (... | 02/28/2006 |
| 6943223 | Controlled shear and turbulence flow pattern within a liquid in a vessel The present invention provides a process to create without mechanical agitation a zone of low shear, low turbulence flow pattern within a continuous liquid phase contained in a vessel and comprising a dispersed phase consisting of particles or immiscible liquid drop... | 09/13/2005 |
| 6930133 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 08/16/2005 |
| 6770234 | High temperature polyester film extrusion The present invention is directed to the method of extruding a thermoplastic co-polyester EMA (ethyl methyl acrylate) blended film at temperatures well above the melt temperature of the base thermoplastic co-polyester, the co-polyester/EMA film having enhanced barri... | 08/03/2004 |
| 6723764 | Preparation process of enlarged latex A process for preparing an enlarged latex, which comprises (1) causing (a) an anionic surfactant and (b) at least one surfactant selected from the group consisting of a cationic surfactant and an amphoteric surfactant to exist in a latex, (2) adding, as an aggregati... | 04/20/2004 |
| 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 |
| 6586505 | Aqueous resin dispersion This invention relates to aqueous resin dispersions comprising water, resin, a surfactant, and a caseinate. This invention also relates to the process for producing the aqueous resin dispersion and to adhesives formulated with the aqueous resin dispersion... | 07/01/2003 |
| 6586096 | Polymethylmethacrylate nanocomposite optical article and method of making same An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plast... | 07/01/2003 |
| 6541542 | Process for production of polymeric powders A novel process for preparing polymers having an average particle size of less than about 40 micrometers is described. The process involves dissolving a polymer in a solvent to form a solution that is introduced into an agitating aqueous medium.... | 04/01/2003 |
| 6329448 | Method for producing dyed moulding materials A continuous process for preparing pigmented thermoplastic molding compositions in an extruder, comprises I) in a first zone A) metering in from 10 to 99.999% by weight of a thermoplastic polymer into an extruder and II) in a subsequent zone at temperatures be... | 12/11/2001 |
| 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 |
| 6309788 | Process for producing toner A process for producing a toner. The process has the steps of dispersing a fine-particle colorant in a liquid monomer mixture containing at least a liquid polymerizable monomer, dispersing the resulting colorant-dispersed liquid monomer mixture in an aque... | 10/30/2001 |
| 6140395 | Method of producing hydrophilic resin A method of producing hydrophilic resin by pulverizing and drying a hydrogel polymer, in which, during pulverization of the hydrogel polymer, the hydrogel polymer is sheared between two spiral rotary blades with different respective feed rates, provided o... | 10/31/2000 |
| 6020419 | Transparent coating compositions containing nanoscale particles and having improved scratch resistance The present invention relates to transparent coating compositions containing a binder and 0.5 to 25 wt. %, based on resin solids, of a material consisting of nanoscale primary particles obtained by jet dispersion of the nanoscale particles in the coating ... | 02/01/2000 |
| 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 |
| 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 |
| 5847052 | Process for producing thermoplastic elastomer composition A process for producing a thermoplastic elastomer composition which comprises dynamically cross-linking an olefine copolymer rubber and an olefine plastic using a twin-screw extruder, said process being characterized in that said twin-screw extruder compr... | 12/08/1998 |
| 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 |
| 5536613 | Processes for preparing toner A process for the preparation of pigmented toner compositions comprising: a) forming at a first temperature, a first melt mixture comprised of a partially crosslinked thermoplastic resin, pigment, optionally a wax, and optional additives, wherein the part... | 07/16/1996 |
| 5530039 | Process for manufacturing stopping compounds and use of the stopping compounds produced Process for manufacturing stopping compounds, in particular such as can be used for motor vehicle repair lacquering, in which in a first stage at least 90 wt.-% of the solvents required and 80 to 100 wt.-% of the binding agents required are dispersed toge... | 06/25/1996 |
| 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 |
| 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 |
| 5296524 | Composite particle dispersions A composite particle dispersion is prepared by mixing an aqueous dispersion of polymer particles which will form the particle shell with pre-formed polymer particles which will form the core at a temperature above the glass transition temperature for the ... | 03/22/1994 |
| 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 |
| 5124073 | Continuous preparation of aqueous non-self-emulsifying polymer dispersions Aqueous non-self-emulsifying polymer dispersions having small particles and a long shelf life and based on highly viscous reaction resins are prepared without the addition of solvents, by means of an intensively dispersing screw apparatus, by a continuous... | 06/23/1992 |
| 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 |
| 5061741 | Method for preparing an oil-in-water type uniform dispersion of liquid droplets and polymerization method for preparing polymer beads of uniform particle size A method for preparing an oil-in-water type uniform dispersion of liquid droplets, which comprises ejecting into an aqueous medium containing a dispersion stabilizer, which forms a continuous phase and moves upwards, a hydrophobic liquid having a specific... | 10/29/1991 |
| 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 |
| 4997864 | Composite particle dispersions A process for the preparation of composite particle dispersons is disclosed. The composite particles have a core particle 1 surrounded by a second material 2. Normally a core shell particle will be formed and the second material which forms the shell will... | 03/05/1991 |
| 4812550 | Preparation of latices Continuous ultrasonic irradiation during the free radical aqueous graft or over copolymerization of an unsaturated monomer on a protein provides a latex of reduced viscosity and increased solids content.... | 03/14/1989 |
