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| Number | Title | Issue Date |
| 7951237 | Polymer composition and molded articles produced therefrom The invention relates to a polymer composition comprising a biologically degradable polymer and a material from sea plants and/or shells of sea animals or at least two components selected from the group consisting of saccharides and the derivatives thereof, proteins... | 05/31/2011 |
| 7857902 | Method of preparing non-toxic water paint In a method of preparing a non-toxic anti-tacky water paint, nitrocellulose is solubilized in n-butyl acetate to form a nitrocellulose solution, which is then mixed with urea-formaldehyde and water to form a first mixture solution, which is then heated for two to th... | 12/28/2010 |
| 7601211 | Process for preparing porous hybrid comprising zeolite and chitosan and porous hybrid prepared thereby The present invention relates to a process for preparing a porous hybrid comprising zeolite and chitosan and a porous hybrid prepared thereby, in particular, to a process for preparing a porous chitosan-linking compound-zeolite hybrid, which comprises the steps of: ... | 10/13/2009 |
| 7485181 | Compositions for detecting hyaluronidase activity in situ and methods of utilizing same A composition-of-matter is provided. The composition-of-matter comprising a chelator moiety-hyaluronan complex bound to a solid support. Also provided are methods of in-situ assessing hyaluronidase activity using such compositions. ... | 02/03/2009 |
| 7442730 | Composition having disperse system, and process for producing colored organic solid particle A colored particle (e.g., a spherical particle) comprising an organic solid component (e.g., a polymer component) and a coloring agent (e.g., an oil-soluble dye, and an organic or inorganic pigment) is produced by eluting a water-soluble auxiliary component comprisi... | 10/28/2008 |
| 7381715 | Antimicrobial solid surface materials containing chitosan-metal complexes A solid surface material with an antimicrobial agent in a thermoset and/or thermoplastic resin matrix where the antimicrobial agent comprises a chitosan-metal complex. ... | 06/03/2008 |
| 7325613 | Crosslinkable polymer compositions comprising phenols and associated methods Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comp... | 02/05/2008 |
| 7267174 | Methods of plugging a permeable zone downhole using a sealant composition comprising a crosslinkable material and a reduced amount of cement A method of servicing a wellbore, comprising preparing a sealant composition comprising a crosslinkable material, a crosslinking agent, a fluid loss control additive, and water, placing the sealant composition in a permeable zone in the wellbore, and allowing the se... | 09/11/2007 |
| 7195923 | Ratiometric determination of glycated protein The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the glycosylated protein, or the glycoprotein. The method incorporates lateral f... | 03/27/2007 |
| 7147701 | Printing medium comprising aerogel materials New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels. The present invention further concerns printable objects comprising these ... | 12/12/2006 |
| 7144844 | Method of using viscoelastic vesicular fluids to enhance productivity of formations A process for enhancing the productivity of a formation consists of introducing into the formation a viscoelastic fluid which contains at least one surfactant, at least one quaternary amine polyelectrolyte, water, and a non-aqueous solvent. The surfactant forms aggr... | 12/05/2006 |
| 7129224 | Hydrophobic multicomponent heparin conjugates, a preparing method and a use thereof The present invention provides hydrophobic heparin conjugates that are soluble in organic solvents but not in water, a method of preparing them, and a method of using them. Particularly, the present invention provides hydrophobic heparin conjugates that are prepared... | 10/31/2006 |
| 7118638 | Nonwoven fabric, hygroscopic member, method and apparatus for producing nonwoven fabric and organic electroluminescence display An organic electroluminescence display includes a transparent glass substrate, an ITO anode layer, a positive hole transition layer, an RGB luminescence layer, an electron transition layer and a metallic cathode layer. Highly pressurized N2 gas is sealed ... | 10/10/2006 |
| 7115546 | Acid diverting system containing quaternary amine A process for stimulating a formation is disclosed wherein a diverting fluid is used to divert an acid treatment package from a high permeability or damaged portion of a formation to a low permeability or undamaged portion of a formation. The fluid, which preferably... | 10/03/2006 |
| 7037366 | Printing medium comprising aerogel materials New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels. The present invention further concerns printable objects comprising these ... | 05/02/2006 |
| 7026375 | PVA-containing compositions An extrudable PVA-containing composition is disclosed, which enables PVA articles to be manufactured on conventional extrusion apparatus. The compositions includes a lubricant, such as a fatty acid amide, most preferably octodecanamide and is most preferably formed ... | 04/11/2006 |
| 6858312 | Aqueous compositions and process for the surface modification of articles by use of the aqueous compositions Use of an aqueous composition, which has been prepared by dissolving (A) dihydroxypropylchitosan and (B) 1,2,3,4-butanetetracarboxylic acid (B) in an aqueous medium, makes it possible to provide articles excellent in hydrophilicity, antibacterial and deodorant activ... | 02/22/2005 |
| 6843841 | Preventing flow through subterranean zones The present invention provides methods of preventing the flow of water or gas or both through a subterranean zone having a high temperature and a depth such that a long pumping time is required to place a sealing composition therein. The methods basically comprise t... | 01/18/2005 |
| 6830613 | Method of manufacturing a sugar-inorganic hybrid composite A biodegradable sugar-inorganic hybrid composite comprising a sugar or a sugar derivative uniformly dispersed in a matrix of an inorganic oxide, of which degradation products are suitable for recycling use. ... | 12/14/2004 |
| 6602336 | Printing medium comprising aerogel materials New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels. The present invention further concerns printable objects compri... | 08/05/2003 |
| 6419830 | Surface modified polymer beads A polymeric resin is disclosed in the form of beads or particles having a coating thereon which renders the resin blood compatible. The resin comprises divinylbenzene monomer which has a porosity, pore size, and surface area suitable for absorbtion of unh... | 07/16/2002 |
| 6344077 | Aqueous cellulose solution and rayon fiber produced from the same An aqueous cellulose solution containing chitosan and/or chitosan derivatives, or alternatively alginic acid and/or alginic acid derivatives, and water-soluble and antibacterial rayon fiber produced from the cellulose solution. The aqueous cellulose solut... | 02/05/2002 |
| 6338801 | Surface modified polymer beads A polymeric resin is disclosed in the form of beads or particles having a coating thereon which renders the resin blood compatible. The resin comprises divinylbenzene monomer which has a porosity, pore size, and surface area suitable for absorbtion of unh... | 01/15/2002 |
| 6302950 | Aqueous shellac solution or dispersion The invention relates to an aqueous solution or dispersion with high shellac content. The aqueous shellac solution or dispersion is characterized in that it has a pH value of 2 to 4.2, and contains: 1 to 60% wt. shellac; 0.1 to 3% wt. of at least one wate... | 10/16/2001 |
| 6241812 | Acid-stable and cationic-compatible cellulose compositions and methods of preparation Acid-stable and cationic-compatible reticulated bacterial cellulose compositions, containing co-agents and/or cationic surfactants, that are useful rheological modifying agents and stabilizing agents for suspensions, emulsions and foams, and their methods... | 06/05/2001 |
| 6117485 | Dextrin-based protective coating compositions and methods of use thereof A vehicle masking material and method of use. The masking material in one embodiment includes a dextrin, a plasticizer, and water. The masking material may additionally include a surfactant. The masking material is applied to a surface which is to be prot... | 09/12/2000 |
| 6013679 | Water-insoluble derivatives of hyaluronic acid and their methods of preparation and use This invention describes a method for preparing water-insoluble biocompatible gels, films and sponges by reacting hyaluronic acid, or a salt thereof, with a carbodiimide in the absence of a nucleophile or a polyanionic polysaccharide. The water-insoluble ... | 01/11/2000 |
| 5977330 | Crosslinked N-substituted chitosan derivatives Chitosan derivatives having structural units of formula I, II and III in random distribution ##STR1## wherein the substituents R1 are each, independently of one another, H or --Z--R2 --X, R3 is H or acetyl, Y is the a... | 11/02/1999 |
| 5969011 | Sizing of paper The invention relates to an aqueous dispersion containing a cellulose-reactive sizing agent and a dispersant system comprising a low molecular weight cationic organic compound having a molecular weight less than 10,000 and an anionic stabilizer, its prepa... | 10/19/1999 |
| 5919574 | Biodegradable laminated films fabricated from pectin and chitosan High modulus, flexible laminated films may be fabricated from chitosan and pectin. Either glycerol or lactic acid as plasticizer and, optionally, starch may also be blended with either the pectin or chitosan solutions used for film preparation. The lamina... | 07/06/1999 |
| 5865858 | Aminated cellulosic synthetic fibers Aminated cellulosic synthetic fibers are produced by adding an amine-substituted cellulose derivative to a viscose or an alkali cellulose and spinning fibers by the viscose spinning process, or by adding said cellulose derivative to a cellulose solution a... | 02/02/1999 |
| 5864025 | Method of making magnetic, crosslinked chitosan support materials and products thereof Method for magnetizing crosslinked chitosan support material involving the treatment of carboxyl group-containing, crosslinked chitosan gels with solutions of ferrous chloride followed by treatment with dilute aqueous alkali and then oxidation with molecu... | 01/26/1999 |
| 5821271 | Water absorbing porous articles The present invention comprises a metal complex capable of being dispersed in or alternatively, formed in a water-absorbing article having one or more metal ions situated within a sponge, at least one chelating polymer chelated to the transition metal ion... | 10/13/1998 |
| 5800602 | Use of inclusion compounds of cyclic polysaccharides as charge control agents Inclusion compounds consisting of a host compound, which is a cyclically linked polysaccharide having 3 to 100 monomeric saccharide units and forming a cavity in its molecular framework, and of one or more chemical compounds which are included in this cav... | 09/01/1998 |
| 5643971 | Durable anti-microbial agents The present invention comprises a metal complex capable of being dispersed in or alternatively, formed in a water-absorbing article. The metal complex consists of one or more metal ions, at least one chelating polymer chelated to the transition metal ion ... | 07/01/1997 |
| 5552462 | Compositions including cationic polymers and anionic xanthan gum A novel blend composition comprising one or more cationic polygalactomannas and xanthan gum is provided. The blend is capable of producing enhanced viscosities when distributed in a solvent. The blend is suitable for use in foods, explosives, oil field ch... | 09/03/1996 |
| 5552461 | Composition and method for improving the extrusion characteristics of aqueous starch-polymer mixtures A method for improving the extrusion characteristics of finely divided aqueous starch-polymer mixtures comprising subjecting the admixture to deaeration and compaction to form a hard shaped form therefrom, milling the hard shaped form of starch and polyme... | 09/03/1996 |
| 5549739 | Wood modifier composition A wood modifier composition containing a mixture of a water-soluble, low molecular weight chitosan substance and colloidal silica is disclosed. The mixture contains from about 15 to about 300 parts by weight of SiO2 per part of the low molecula... | 08/27/1996 |
| 5541233 | Durable anti-microbial agent A water absorbing porous article comprising a sponge and a metal complex is disclosed The metal complex comprises a metal ion, at least one chelating polymer chelated to the metal ion and at least one potentiator chelated to the metal ion. The chelating p... | 07/30/1996 |
| 5397384 | Furniture polish composition A composition which comprises approximately by weight 1 to 8 percent of a hydrocarbon solvent; 1 to 4 percent of a silicone; 1 to 5.5 percent of at least one nonionic surfactant; 0.5 to 3 percent of an alkali metal neutralized tall oil fatty acid and 0.25... | 03/14/1995 |
