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| Number | Title | Issue Date |
| 8273823 | Atom transfer radical polymerization in microemulsion and true emulsion polymerization processes The invention is directed to a microemulsion polymerization comprising adding a polymerization catalyst precursor, such as a transition metal complex in the higher of two accessible oxidation states, an ATRP initiator, and an organic solvent to an aqueous solution t... | 09/25/2012 |
| 8008396 | Method of emulsion polymerization There is provided a process of emulsion polymerization comprising (a) adding a reactive mixture to a reaction vessel, said reactive mixture comprising water, one or more emulsifier, one or more monomer, and one or more initiator, (b) provid... | 08/30/2011 |
| 7834085 | Composition and method for preparing novel cationic thickners A self-reversible invert latex having a crosslinked cationic polyelectrolyte, formed by the copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer. ... | 11/16/2010 |
| 7776958 | Inverse emulsion polymer and method of use thereof The present invention provides an inverse emulsion polymer having a dispersed phase composed of an aqueous solution of an acrylic polymer and a continuous phase composed of an ester of a fatty acid and a water-soluble alcohol. The present invention further includes ... | 08/17/2010 |
| 7531600 | Water-in-oil polymer emulsion containing microparticles A storage stable water-in-oil emulsion composition that includes 5% to 99% by weight of a water-in-oil emulsion polymer including a polymer or copolymer containing repeat units from an acrylamide monomer; 0.1% to 10% by weight of one or more inorganic microparticles... | 05/12/2009 |
| 7429625 | Inversion of inverse emulsion polymers A method to invert an inverse emulsion water compatible polymer product using a combination of surfactants that have specific chemical structures is disclosed. A combination, or blend, of two or more surfactants provides for an effective breaker system. The blend of... | 09/30/2008 |
| 7393915 | Method for producing polyorganosiloxane-containing resin The object of this invention is to provide a new process for producing polyorganosiloxane-containing resin which comprises reducing volatile siloxane, characterized in that polyorganosiloxane-containing resin in a slurry state is heat-stripped in producing polyorgan... | 07/01/2008 |
| 7384992 | Rosin-fatty acid ester vinylic polymers This invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and emulsion compositions and the processes for preparing them. In particular, the invention relates to novel rosin-alkyl ester of unsaturated fatty acid vinylic polymer and ... | 06/10/2008 |
| 7378473 | Process for producing colored spherical polymer particles Monodisperse colored spherical particles each having two separated color regions of two hues, that is, two-colored spherical particles, useful, for example, for displays of characters, graphics, images and the like, the two hues being for reverse display in terms of... | 05/27/2008 |
| 7338608 | Solid-liquid separation of oil-based muds This invention relates to a method of achieving a solid-liquid separation of an oil-based mud comprising the step of contacting said oil-based mud with a water-in-oil emulsion comprising a polymer derived from at least one water-soluble monomer, where the polymer is... | 03/04/2008 |
| 7329402 | Methods of imaging and treatment Novel ultrasound methods comprising administering to a patient a targeted vesicle composition which comprises vesicles comprising a lipid, protein or polymer, encapsulating a gas, in combination with a targeting ligand, and scanning the patient using ultrasound. The... | 02/12/2008 |
| 7328988 | Ink composition for inkjet spacer formation and spacer element using the same The present invention relates to an ink composition for spacer formation and a spacer element using the same, and more particularly to an ink composition for spacer formation including a) 10 to 70 parts by weight (dry weight) of a polymer emulsion; b) 0.1 to 50 part... | 02/12/2008 |
| 7323507 | Stable dispersion concentrate consisting of a copolymer of acryloyldimethyltauric acid and cyclic carboxamide and an oil, emulsifier, or oil/emulsifier phase for cosmetic, pharmaceutical and dermatological compositions, and methods for preparation thereof Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90%... | 01/29/2008 |
| 7319117 | Method for preparing a water/oil/water multiple emulsion The invention concerns a method for preparing a multiple emulsion comprising an invert emulsion consisting of an internal aqueous phase dispersed in an internal organic phase, dispersed in an external aqueous phase: the internal aqueous phase comprising optionally a... | 01/15/2008 |
| 7304116 | Braided comb-shaped salt-resistant polymer thickening agent A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer (A) is one or multiple water soluble non-saturated compound(s) wi... | 12/04/2007 |
| 7288588 | Polymer binder for intumescent coatings The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised... | 10/30/2007 |
| 7276549 | Surface enhancing coating for gypsum-containing floor underlayments A coating for preparing a floor underlayment to receive an adhesive includes a water-soluble, latex polymer, a defoamer and a dual-function surface enhancing agent. The surface enhancing agent includes a set accelerator that also functions to cross link the adhesive... | 10/02/2007 |
| 7262246 | Emulsion polymerization of fluorinated monomers The use of perfluorinated polymers and/or fluorinated ionomers as surfactant emulsifiers in emulsion polymerization of fluorinated monomers. ... | 08/28/2007 |
| 7259217 | Controlled-architecture polymers and use thereof as separation media Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. ... | 08/21/2007 |
| 7259190 | Adhesive composition An adhesive composition comprising a polymeric matrix and absorbent particles wherein at least a part of the absorbent particles are microcolloid particles. The microcolloid particles are water absorbent particles preferably having a rounded or spherical shape. The ... | 08/21/2007 |
| 7256159 | Fluid loss reducer for high temperature high pressure water based-mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further r... | 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 |
| 7238752 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 07/03/2007 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 7205369 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 04/17/2007 |
| 7199185 | Use of reactive polymeric surfactants in the formation of emulsions Reactive polymeric surfactants are disclosed, and their use in processes for preparation of microcapsules, and in stabilising emulsions. The surfactants are random graft polymers or block copolymers which contain both hydrophobic and hydrophilic units and in which t... | 04/03/2007 |
| 7199200 | Method for the production of homo-, co- and block copolymers A process is described for producing homo-, co- and block copolymers by controlled radical polymerization in aqueous solution, wherein a monomer component (A) consisting of at least one radically polymerizable monomer, an initiator component (B) consisting of at lea... | 04/03/2007 |
| 7189327 | Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge A method of enhancing the recovery of useful coal or potassium chloride from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.005 lbs active polymer/ton dry solids in centrifuge to about 0.70 lbs active polymer... | 03/13/2007 |
| 7176255 | Method for producing aqueous polymer dispersions containing colorants The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monome... | 02/13/2007 |
| 7166355 | Use of microcapsules in gypsum plasterboards The invention relates to the use of microcapsules with latent heat storage materials as capsule cores on gypsum plasterboards, gypsum plasterboards containing the same and a method for production thereof. ... | 01/23/2007 |
| 7160933 | Stable ink jet ink composition and printing method This invention relates to an ink composition (and a method of printing therewith) comprising water, a humectant, and polymer-dye particles, wherein said polymer-dye particles comprise a colorant phase containing a water insoluble dye of formula (I), and a polymer ph... | 01/09/2007 |
| 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 |
| 7148293 | Method for the production of hyperbranched water-soluble polyesters Process for preparing essentially uncrosslinked hyperbranched, water-soluble or water-dispersible polyesters from dicarboxylic acids and polyether polyols having at least 3 OH groups. Water-soluble hyperbranched polyesters which are obtainable by such a process and ... | 12/12/2006 |
| 7141181 | Composition comprising amphoteric polymeric flocculants A composition is provided which comprises amphoteric polymers comprising, as constituent monomer units, a cationic monomer unit, an anionic monomer unit, and optionally a nonionic monomer unit and having a 0.5% salted viscosity of 10 to 120 mPa·s, wherein said amph... | 11/28/2006 |
| 7126754 | Polarization plate with optical compensation layer and image display device A polarizing plate with an optical compensation layer is provided, which has an excellent peelability and is easy to reattach after mounted on an image display apparatus. A pressure-sensitive adhesive layer satisfying the condition (I) below is formed on both surfac... | 10/24/2006 |
| 7109237 | Emulsion containing ascorbic acid and its uses in the cosmetics and dermatological fields A water-in-oil emulsion containing ascorbic acid and, as an emulsifier, a dimethiconecopolyol or an alkyldimethiconecopolyol, where the aqueous phase having a pH ranging from 5.5 to 7.5. This emulsion allows ascorbic acid to be stabilized and can be used, in particu... | 09/19/2006 |
| 7105151 | Oxygen delivery agents and uses for the same The present invention describes, inter alia, oxygen delivery agents or blood substitutes comprising a fluorinated gas and a stabilizing material, uses for the oxygen delivery agents or blood substitutes, and apparatus for making and delivering the oxygen delivery ag... | 09/12/2006 |
| 7101931 | Granules obtained by drying a multiple emulsion The invention concerns granules obtainable by drying an inverse emulsion, dispersed in an external aqueous phase: a) the inverse emulsion comprising an internal aqueous phase, including a hydrophilic active material, dispersed in an internal organic phase, said inve... | 09/05/2006 |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 7101829 | Fluid loss reducer for high temperature and high pressure water-based mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer. The subject invention further rev... | 09/05/2006 |
