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| Number | Title | Issue Date |
| 8163207 | Microcapsules The invention described herein relates to a method of preparing microcapsules comprising a capsule core, a polymeric capsule wall and also, disposed on the outer surface of the capsule wall, a polyelectrolyte having an average molecular weight in the range from 500 ... | 04/24/2012 |
| 8017047 | Microcapsules comprising compounds containing carbodiimide groups Microcapsules wherein the capsule wall is formed from an organic polymer (capsule wall polymer for short) and the core of the microcapsules comprises compounds containing carbodiimide groups (carbodiimide compound ... | 09/13/2011 |
| 7442410 | Method for encapsulating phase transitional paraffin compounds using melamine-formaldehyde and microcapsule resulting therefrom A process for the microencapsulation of phase transitional paraffin compounds is described. Polypropylene glycols with the average molecule weight over 400 were used as the surface tension modifiers for emulsifying the paraffin compounds. Polyisocyanates capable of ... | 10/28/2008 |
| 7399569 | Method for producing microcapsules, microcapsules, recording material, and heat-sensitive recording material A microcapsule produced by a method involving a primary dispersed particle and a secondary dispersed particle, the capsule formation occurring at the interface of the secondary dispersed particle. A microcapsule containing a diazonium salt represented by a specific ... | 07/15/2008 |
| 7360593 | Product for coating wellbore screens Coatings for well screens that protect the screens from damage as they are inserted into the wellbore and once in the well, release reactive materials to react with and degrade potentially plugging materials such as drill solids, fluid filtercakes, fluid loss additi... | 04/22/2008 |
| 7357949 | Encapsulated inorganic antimicrobial additive for controlled release The invention relates to a microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These microcapsules are... | 04/15/2008 |
| 7288021 | Chemical-mechanical polishing of metals in an oxidized form The invention provides a method for polishing a substrate comprising a metal in an oxidized form, the method comprising the steps of: (a) providing a substrate comprising a metal in an oxidized form, (b) contacting a portion of the substrate with a chemical-mechanic... | 10/30/2007 |
| 7279502 | Polyamine analog conjugates and quinone conjugates as therapies for cancers and prostate diseases Peptide conjugates in which cytocidal and cytostatic agents, such as polyamine analogs or naphthoquinones, are conjugated to a polypeptide recognized and cleaved by enzymes such as prostate-specific antigen (PSA) and cathepsin B are provided, as well as compositions... | 10/09/2007 |
| 7276464 | Titanium zeolite catalysts Catalysts useful for epoxidizing olefins are disclosed. The catalysts comprise a vinylpyridine polymer and a titanium zeolite. Preferably, the vinylpyridine polymer encapsulates the titanium zeolite. The catalysts are easy to prepare and use, they are easy to recove... | 10/02/2007 |
| 7271142 | Process for making polymeric particles A particulate composition comprising particles which consist of a shell wall surrounding a hydrophilic core, wherein the shell wall is formed from a polymeric coacervate and wherein the particles comprise a polymeric amphipathic stabiliser. Also claimed is a process... | 09/18/2007 |
| 7271200 | Emulsions A novel emulsion comprising a material which is stabilised by a polymer resin precursor having interface active molecules incorporated therein by reaction from poorly or non-surface active materials is disclosed. The process for producing such emulsions is likewise ... | 09/18/2007 |
| 7264875 | Microcapsules and processes for producing the same A microcapsule encapsulating a disperse system is produced by preparing a liquid organic dispersion containing a resin whose acid group has been neutralized, a colored particle, and an organic solvent; dispersing the liquid organic dispersion in an aqueous medium to... | 09/04/2007 |
| 7262487 | Semiconductor devices and other electronic components including porous insulators created from “void” creating materials Semiconductor devices, other electronic components, and other articles of manufacture with porous insulator structures are disclosed. The insulative material of such porous insulators may include a first, substantially nonporous state and a second, porous state. Whe... | 08/28/2007 |
| 7229737 | Photopolymerizable composition and recording material and recording process using the same Disclosed is a photopolymerizable composition containing a polymerizable compound having an addition-polymerizable unsaturated bond, an organic dye, and an organoboron compound represented by the following general formula (I), wherein at least one kind of the organo... | 06/12/2007 |
| 7223519 | Imaging compositions and methods Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be applied to... | 05/29/2007 |
| 7204312 | Compositions and methods for the delivery of chemical components in subterranean well bores The present invention relates to the delivery of a plurality of chemical components in well bore applications. More particularly, this invention relates to delivery capsules and methods of using such delivery capsules for facilitating the delivery of at least a plur... | 04/17/2007 |
| 7165881 | Methods and apparatus for high-shear mixing and reacting of materials Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic... | 01/23/2007 |
| 7156174 | Contained micro-particles for use in well bore operations The present invention relates to well bore operations, and more particularly, to contained micro-particles, and methods for using such contained micro-particles in cementing operations. An exemplary method of facilitating the use of micro-particles in a well bore fl... | 01/02/2007 |
| 7153572 | Porous beads and method of production thereof The present invention relates to porous beads and to methods of production thereof, in particular to a method of producing hydrophilic polymeric beads by freeze-drying a droplet containing a polymeric material in a continuous phase of an oil-in-water (O/W) emulsion.... | 12/26/2006 |
| 7153754 | Methods for forming porous insulators from “void” creating materials and structures and semiconductor devices including same Methods for forming porous insulative materials for use in forming dielectric structures of semiconductor devices are disclosed. Each insulative material may include a first, substantially nonporous state and a second, porous state. When in the first state, the insu... | 12/26/2006 |
| 7144676 | Imaging compositions and methods Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be applied to... | 12/05/2006 |
| 7125915 | Lipid-based nanotubules for controlled release of healing agents in golf ball layers A golf ball including a core and a layer disposed concentrically about the core; wherein at least one of the core or the layer is formed of a polymer composition including a lipid-based nanotubule-encapsulated healing agent; the healing agent being present in an amo... | 10/24/2006 |
| 7112620 | Hemocompatible polymer systems & related methods A polymer system with a hemocompatible film or coating is provided, the system comprises an organic phase and an aqueous phase, the organic phase comprises polymerizable monomers and at least one initiator and the aqueous phase comprises at least one dispersing agen... | 09/26/2006 |
| 7101840 | Polymeric drug formulations A method of forming a polymeric drug formulation in which a water-soluble drug is blended with a water-insoluble tissue-compatible polymer that is miscible in the solid phase with the drug, and with a poly(alkylene oxide), in a solvent system capable of forming a ho... | 09/05/2006 |
| 7098360 | Processes employing multiple successive chemical reaction process steps and apparatus therefore The invention provides processes and apparatus for the production of materials requiring a plurality of chemical reaction steps. In the prior art the number of reaction vessels is minimized by performing two or more reactions together in the same vessel. Instead eac... | 08/29/2006 |
| 7061663 | Capsules, materials for use therein and electrophoretic media and displays containing such capsules An encapsulation material, intended for use in encapsulated electrophoretic displays, comprises the coacervation product of a polyanionic polymer having a vinyl main chain and a plurality of anionic groups bonded to the main chain, with a cationic or zwitterionic wa... | 06/13/2006 |
| 7048908 | Particles for inhalation having sustained release properties The invention generally relates to a method for pulmonary delivery of therapeutic, prophylactic and diagnostic agents to a patient wherein the agent is released in a sustained fashion, and to particles suitable for use in the method. In particular, the invention rel... | 05/23/2006 |
| 7041304 | Thermotropic liquid crystal polymer microcapsules, a method for preparing the same, and cosmetic compositions containing the same There are provided thermotropic liquid crystal polymer microcapsules which can show behavior of liquid crystal as it is within polymer phase due to phase separation between liquid crystal and polymer, so to be incorporated into cosmetic composition as an additive fo... | 05/09/2006 |
| 7037582 | Method for encapsulating phase transitional paraffin compound that can undergo phase transition and microcapsule resulting therefrom A series of paraffin compounds, the phase change materials (PCMs), were microencapsulated in an interfacial polymerization process to form the double-shell microcapsules with relatively low shell permeability. The inner shell is formed through the reaction between p... | 05/02/2006 |
| 7030255 | Oxidation process with in-situ H202 generation and polymer-encapsulated catalysts therefor Catalysts useful for oxidation reactions are disclosed. The catalysts comprise a titanium zeolite, a transition metal, and a polymer, wherein at least one of the titanium zeolite or transition metal is encapsulated within a thin layer of the polymer. The catalysts a... | 04/18/2006 |
| 7018711 | Micro-capsules comprising a capsule core containing water-soluble substances Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their preparation, their use, and compositions comprising the microcapsules... | 03/28/2006 |
| 7005454 | Polymeric drug formulations Polymeric drug formulations containing a non-releasing single-phase dispersion of a water-soluble drug in a water-insoluble tissue-compatible polymer matrix. Polymeric drug formulations are also disclosed containing a single-phase dispersion of a water-soluble drug ... | 02/28/2006 |
| 6995120 | Scale control composition for high scaling environments Barium sulfate and/or calcium carbonate scale inhibitor composition composed of a water-soluble polymer having incorporated phosphate functionality, the polymer being formed from at least one ethylenically unsaturated carboxylic acid monomer, at least one ethylenica... | 02/07/2006 |
| 6994330 | Process for high shear gas-liquid reactions A reactor produces a gas-in-liquid emulsion for providing increased interfacial contact area between the liquid and the gas for improved reaction of the gas with the liquid, or more rapid solution or reaction of a difficulty to dissolve or immiscible gas in or with ... | 02/07/2006 |
| 6992047 | Method of microencapsulating an agricultural active having a high melting point and uses for such materials A method of producing a controlled release form of an agricultural active material includes the provision of an organic liquid composition in which the active is present, but where the liquid composition is free from aromatic solvents and is maintained below the nor... | 01/31/2006 |
| 6989196 | Microencapsulation of magnetic material using heat stabilization Microencapsulation methods and products are provided. The method includes forming, at a first temperature, a emulsion which comprises aqueous microdroplets, including the agent (e.g., a magnetic material or drug) and a cross-linkable matrix material (e.g., a protein... | 01/24/2006 |
| 6984347 | Thermo-expansive microcapsules and their application Thermo-expansive microcapsules comprising a shell of a polymer produced by polymerizing a mixture of monomers, which comprises (I) a nitrile monomer, (II) a monomer having an unsaturated double bond and carboxyl groups in a molecule, (III) a monomer having two or mo... | 01/10/2006 |
| 6974592 | Encapsulated agglomeration of microcapsules and method for the preparation thereof Microcapsules comprising an agglomeration of primary microcapsules, each individual primary microcapsule having a primary shell and the agglomeration being encapsulated by an outer shell, may be prepared by providing an aqueous mixture of a loading substance and a s... | 12/13/2005 |
| 6969530 | Microcapsules and emulsions containing low bloom gelatin and methods of making and using thereof Described herein are microcapsules and emulsions prepared from low Bloom gelatin and methods of making and using thereof. ... | 11/29/2005 |
| 6964836 | Photosensitive microcapsules containing a synthetic viscosity modifier in the continuous phase A process for forming photosensitive microcapsules having discrete capsule walls comprising the steps of forming an emulsion of an oily core material in a continuous aqueous phase containing a carboxyvinyl polymer and enwrapping particles of the oily core material i... | 11/15/2005 |
