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| Number | Title | Issue Date |
| 7201962 | Hemocompatible coated polymer and related one-step methods A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing ... | 04/10/2007 |
| 7192542 | Oil absorbing composition and process The present invention relates to a hollow sphere polymer composition suitable for absorbing active ingredients including oily substances and hydrophobic materials. A process for encapsulating one or more active ingredients using hollow sphere polymers is described. | 03/20/2007 |
| 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 |
| 7049000 | Water-swellable material comprising coated water-swellable polymers This invention relates to a water-swellable material comprising water-swellable polymers that are coated with a coating agent that comprises a phase-separating elastomeric material, which allows swelling of the water-swellable polymers, without breakage of the coati... | 05/23/2006 |
| 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 |
| 7041504 | Cancer cell-inhibiting culture medium produced by culturing restricted entrapped cancer cells Compositions of matter are described which contain restricted cancer cells. When so restricted, the cells produce an unexpectedly high amount of material which suppresses cancer cell proliferation. The phenomenon crosses cancer type and species lines. Processes for ... | 05/09/2006 |
| 7038833 | Encapsulated bichromal balls Disclosed is an encapsulant oil and associated method for producing encapsulated bichromal balls or particles. In this regard, bichromal balls are encapsulated within a mixture of low viscosity polysiloxane oil and a bifunctional component material. The bifunctional... | 05/02/2006 |
| 7026051 | Method of treating the surface of substrates In order to provide a method by means of which the surface of substrates can be protected from corrosive attack and which, in particular, avoids the necessity for oxidative treatment to form oxide layers on surfaces or for phosphatizing or chromatizing treatment ste... | 04/11/2006 |
| 7011776 | Method and apparatus for preparing microspheres An improved method for the preparation of a microsphere from an emulsion wherein an organic phase containing an organic solvent having a boiling point lower than that of water and a hardly-water-soluble polymer is emulsified in an aqueous phase by an in-water drying... | 03/14/2006 |
| 6986913 | Process A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 μm with at least one poly... | 01/17/2006 |
| 6946117 | Stabilized preparations for use in nebulizers Stabilized dispersions are provided for the delivery of a bioactive agent to the respiratory tract of a patient. The dispersions preferably comprise a stabilized colloidal system which may comprise a fluorochemical component. In particularly preferred embodiments, t... | 09/20/2005 |
| 6942868 | Aerodynamically light particles for pulmonary drug delivery Improved aerodynamically light particles for drug delivery to the pulmonary system, and methods for their synthesis and administration are provided. In a preferred embodiment, the aerodynamically light particles are made of biodegradable material and have a tap dens... | 09/13/2005 |
| 6846565 | Light-emitting nanoparticles and method of making same A method for the production of a robust, chemically stable, crystalline, passivated nanoparticle and composition containing the same, that emit light with high efficiencies and size-tunable and excitation energy tunable color. The methods include the thermal degrada... | 01/25/2005 |
| 6737108 | Microcapsulating conductive metal particles with polymerized monomers A process for producing a MC-type conductive filler includes treating minute metallic particles with a coupling agent, preparing an oil phase of the coupling agent-treated minute metallic particles and a reactive substance A, the reactive substance A directly contac... | 05/18/2004 |
| 6719932 | Particles and a process for preparing the same Disclosed are a plurality of particles having a narrow particle size distribution, a processes for forming the same, and films containing the same. The plurality of particles, includes one or more discrete polymer shells, wherein at least one of the polymer shells i... | 04/13/2004 |
| 6686046 | Method of coating substrate surfaces with LCST polymers In order to make it possible to treat particles in such a manner that they are stabilized as disperse particles in liquid media, such as varnishes, a method of coating particles with LCST polymers is proposed which is characterized by the following steps:... | 02/03/2004 |
| 6596204 | Method of encapsulating a volatile liquid A process of micro-encapsulating a volatile liquid includes selecting a volatile liquid, such as Isophorone, and porous ceramic particles for encapsulating the volatile liquid. The volatile liquid and porous particles are mixed and a vacuum is applied to ... | 07/22/2003 |
| 6558698 | Microencapsulated bioactive agents and method of making The invention is directed to microcapsules encapsulating an aqueous solution of a protein, drug or other bioactive substance inside a semi-permeable membrane. The microcapsules are formed by interfacial coacervation where shear forces are limited to 0-100... | 05/06/2003 |
| 6544540 | Base-triggered release microcapsules Microcapsules formed from an aminoplast shell wall and an encapsulated ingredient or ingredients enclosed within the wall in which the wall contains a base-cleavable ester moiety. These capsules have been found to be sensitive to the presence of base such ... | 04/08/2003 |
| 6541034 | Matrix material containing sugars and/or sugar alcohols and process for its preparation A matrix material containing sugars and/or sugar alcohols serves to encapsulate solid or liquid substances, in particular pharmaceutically active substances and/or at least one pharmaceutically admitted flavor and the like. The material contains a substan... | 04/01/2003 |
| 6503559 | Neonanoplasts and microemulsion technology for inks and ink jet printing The present invention relates to colorant compositions containing neonanoplasts. The colorant compositions exhibit improved color brightness and brilliance due to the incorporation of one or more colorants in the neonanoplasts. The colorant compositions m... | 01/07/2003 |
| 6444261 | Storage-stable particle, in particular carrier for carrier-bound reactions, and methods of producing said particle A particle resistant to storage of at least one first and at least one second component, wherein said second component of at least one crosslinkable polymer as a shell at least partially envelops and/or encloses said first component as a core and said fir... | 09/03/2002 |
| 6440493 | Emulsion-based processes for making microparticles Processes for making microparticles, preferably containing an active agent, are provided. In a preferred embodiment, the process involves preparing (1) a dispersed phase containing an agent in a solution of polymer and a first solvent; (2) a continuous ph... | 08/27/2002 |
| 6406747 | Methods of encapsulating cores using ink jets or fogs A method of coating a liquid or solid particulate core involves dropping or suspending the particulate core in an atmosphere and then applying a liquid coating while the particulate core is dropped or suspended, the applying of the liquid coating being do... | 06/18/2002 |
| 6406746 | Microcapsulating conductive metal particles with polymerized monomers A process for producing a MC-type conductive filler includes treating minute metallic particles with a coupling agent, preparing an oil phase of the coupling agent-treated minute metallic particles and a reactive substance A, the reactive substance A dire... | 06/18/2002 |
| 6291013 | Emulsion-based processes for making microparticles Processes for making microparticles, preferably containing an active agent, are provided. In a preferred embodiment, the process involves preparing (1) a dispersed phase containing an agent in a solution of polymer and a first solvent; (2) a continuous ph... | 09/18/2001 |
| 6261483 | Microcapsules of low-formaldehyde melamine/formaldehyde resins Microcapsules are prepared by polycondensation of a melamine/formaldehyde resin mixture in water, in which essentially water-insoluble material forming the capsule core is dispersed, in the presence of an anionic protective colloid, by a process wherein t... | 07/17/2001 |
| 6228291 | Process for preparing controlled-released chitosan microcapsule The present invention relates to a process for preparing the controlled-release chitosan microcapsule, more specifically to a process for preparing the sustained-release chitosan microcapsule capable of releasing at an appropriate rate for a long time, wh... | 05/08/2001 |
| 6224795 | Low-formaldehyde dispersion of microcapsules of melamine-formaldehyde resins A process for the preparation of microcapsules by the condensation of melamine-formaldehyde resins and/or the methyl ethers thereof in water, in which the substantially water-insoluble material forming the core of the capsule is dispersed, in the presence... | 05/01/2001 |
| 6162541 | Superabsorbing compositions and processes for preparing same Superabsorbent polymer compositions comprising a fiber-containing composition derived from cellulosic fibers, synthetic fibers or mixtures thereof which is at least partially coated with a partially acidified, hydrolyzed, internally plasticized, crosslink... | 12/19/2000 |
| 6110444 | Gas-containing microcapsules useful as contrast agents for diagnostic imaging Gas-containing microcapsules useful as imaging agents, e.g. as ultrasound contrast agents, may be prepared by forming a dispersion of gas microbubbles in an aqueous medium comprising a solution or dispersion of a wall-forming material and subsequently ind... | 08/29/2000 |
| 6103269 | Solid bodies containing active substances and a structure consisting of hydrophilic macromolecules, plus a method of producing such bodies The invention relates to accurately meterable shaped articles, for example granules or pellets, containing hydrophilic macromolecules, active compounds and optionally further pharmaceutically acceptable structure-forming substances and auxiliaries, the ac... | 08/15/2000 |
| 6080443 | Method for production of microcapsule type conductive filler A process for producing a MC-type conductive filler includes treating minute metallic particles with a coupling agent, preparing an oil phase of the coupling agent-treated minute metallic particles and a reactive substance A, the reactive substance A dire... | 06/27/2000 |
| 6027804 | Superabsorbing compositions and processes for preparing same Superabsorbent polymer compositions comprising a fiber-containing composition derived from cellulosic fibers, synthetic fibers or mixtures thereof which is at least partially coated with a partially hydrolyzed, internally plasticized, crosslinked, superab... | 02/22/2000 |
| 6019998 | Membrane structure A membrane structure employing a structure in which a lipid membrane is held by a hydrophilic polymer. The hydrophilic polymer layer contains an aqueous phase. There are functional molecules distributed selectively throughout each layer. The membrane stru... | 02/01/2000 |
| 5972508 | Microcapsules containing bleaching aids The microcapsules containing bleaching agents are obtainable by polymerizing monomer mixtures which comprise 5-100% by weight of at least one ethylenically unsaturated carboxylic anhydride (a), 0-95% by weight of at least one monoethylenically unsaturated mono... | 10/26/1999 |
| 5965109 | Process for making insoluble gas-filled microspheres containing a liquid hydrophobic barrier The present invention relates to a process for making insoluble gas-filled, pressure-resistant microspheres containing a liquid or solid hydrophobic barrier within the microsphere shell, and products of this process. This barrier serves to decrease the ra... | 10/12/1999 |
| 5945033 | Method for making non-crosslinked protein particles for therapeutic and diagnostic use Albumin particles in the nanometer and micrometer size range in an aqueous suspension are rendered stable against resolubilization without the aid of a crosslinking agent and without denaturation, by the incorporation of hemoglobin in the particle composi... | 08/31/1999 |
| 5932285 | Encapsulated materials Methods and compositions for encapsulated polymeric gels swollen with nonaqueous reactive materials are provided. The methods include gel synthesis, swelling of a gel precursor with a first nonaqueous reactive material, and encapsulation of the swollen ge... | 08/03/1999 |
| 5925464 | Microencapsulation process and product Microencapsulated compositions, useful, for example, as pesticidal formulations, were prepared a process in which the microcapsules containing the encapsulated material are formed in an interfacial polycondensation reaction carried out in the presence of ... | 07/20/1999 |
