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| Number | Title | Issue Date |
| 8008357 | Method for controlling average pore diameter of porous body comprising apatite/collagen composite fibers In the process of producing a porous body containing a fibrous apatite/collagen composite by gelating a dispersion comprising the fibrous apatite/collagen composite, collagen and water, freeze-drying the resultant gel to form a porous body, and cross-linking collage... | 08/30/2011 |
| 7645805 | Gelling agents The invention relates to a novel class of gelling agents, to a process of preparing said agents, to the use of said agents to prepare gels, and to the gels thus obtained. A gelling agent or thickener according to the invention comprises a core which is functionalize... | 01/12/2010 |
| 7299652 | Self-contained gel insulated container A self-contained insulated container for maintaining an item at a predetermined temperature. The container has an inner sidewall and an outer sidewall, which are spaced apart from each other and closed off to define an insulating chamber therebetween. The container ... | 11/27/2007 |
| 7105580 | Porous structures useful for growing living tissue, and methods of manufacture In one aspect the present invention provides biodegradable, porous structures that each include a structural framework, wherein the structural framework includes: (a) a solidified mixture of polymer molecules and amino acid molecules, wherein at least some of the am... | 09/12/2006 |
| 7026385 | Clay-containing mixture or blend capable of forming a moisture resistant gel, and use of that mixture and blend The invention relates to a clay-containing mixture or blend capable of forming a moisture resistant gel, which comprises a powdered or ground smectite and/or a smectite-containing natural rock and at least 0.8–10% by weight, calculated for the smectite content, of... | 04/11/2006 |
| 6576679 | Hydrogel A hydrogel formed by adding an anion having a molecular weight of 90 or more to an aqueous dispersion of a cationic amphiphile comprising a linear or branched alkyl group having 10 or less carbon atoms in a hydrophobic moiety. The hydrogel has a network h... | 06/10/2003 |
| 6420466 | Process for preparing a thixotropic agent and its use The invention relates to a process for preparing a solution that is active as a thixotropic agent and contains urea urethanes, in which monohydroxyl compounds are reacted with an excess of toluene diisocyanate, the unreacted portion of the toluene diisocy... | 07/16/2002 |
| 6310105 | Carboxyl-modified superabsorbent protein hydrogel The present invention is a biodegradable, reversibly-swellable, polyvalent cation-binding, protein hydrogel which comprises an acylated protein matrix in which the acylated protein matrix is crosslinked with a bifunctional crosslinking reagent, and treate... | 10/30/2001 |
| 6228895 | Method for plasticizing a composition comprised of cellulose fiber and a cellulose ester This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally, cellulose. The process of incorporating APG or a mixture ... | 05/08/2001 |
| 5977190 | Process for deionizing and concentrating emulsions A process of washing an emulsion such as a silver halide emulsion which contains a hydrophilic colloid comprises deionizing the emulsion and coagulating the emulsion with an anionic polymer and separating the coagulum from the supernatant and resuspending... | 11/02/1999 |
| 5951910 | Reticulated bacterial cellulose as a rheological modifier for polyol fluid compositions Rheologically modified compositions, and rheologically modified fluid compositions prepared therefrom, containing reticulated bacterial cellulose in a polyol base fluid, are disclosed. The amount of reticulated bacterial cellulose present in the compositi... | 09/14/1999 |
| 5874374 | Method for producing engineered materials from salt/polymer aqueous solutions A method for producing engineered materials from salt/polymer aqueous solutions in which an aqueous continuous phase having at least one metal cation salt is mixed with a hydrophilic organic polymeric disperse phase so as to form a metal cation/polymer ge... | 02/23/1999 |
| 5847089 | Carboxyl-modified superabsorbent protein hydrogel The present invention is a biodegradable, reversibly-swellable, polyvalent cation-binding, protein-based hydrogel which comprises an acyl-modified protein matrix in which the acyl-modified protein matrix is crosslinked with a bifunctional crosslinking rea... | 12/08/1998 |
| 5770229 | Medical polymer gel A medical polymer gel produced by immobilizing a drug onto a water swelling polymer gel through a cleavable group with the main chain to be cleaved via an enzymatic reaction and a spacer, and a water swelling polymer gel produced by covalently crosslinkin... | 06/23/1998 |
| 5763150 | Surfactants and hydrophilic colloid compositions and materials containing them Surfactants useful as dispersing aids in the preparation of compositions comprising a hydrophilic colloid having hydrophobic particles dispersed therein have the structure ##STR1## wherein M is a cation; X represents a group having the structure ... | 06/09/1998 |
| 5750498 | Transparent gelatin gel type air freshener Objects of the invention is to provide an air freshner composition which has both excellent functional properties such as shrinkage with the passage of time, clear end point and the like and excellent visual decorativeness due to transparency and is used ... | 05/12/1998 |
| 5746937 | Oxygen absorbing composition An oxygen absorbing composition having an effective amount of at least one oxygen absorbent contained in an emulsion. An oxygen absorbing product is produced by dispersing an oxygen absorbent in an emulsion to form an oxygen absorbing composition and tran... | 05/05/1998 |
| 5741773 | Storage stable dentifrice composition containing an antibacterial casein glycomacropeptide adjuvant Stable oral compositions containing an antibacterial casein glycomacropeptide, an anionic surfactant, and a hydrolyzed protein stabilizer, which stabilizes the casein glycomacropeptide in the presence of the anionic surfactant against inactivation without... | 04/21/1998 |
| 5698483 | Process for preparing nanosized powder A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase, forming a metal cation salt/polymer gel, and heat treating ... | 12/16/1997 |
| 5679281 | Gelled material compositions with modified halopolymer Gelled material compositions for use as adsorbents and ion exchangers. The composition including a specific extractant, an organic solvent and a halopolymer modified by substitution with a radical of a substance compatible with the specific extractant. Op... | 10/21/1997 |
| 5665531 | Method of gelation of photographic emulsions, oil in water emulsions, or gelatin solutions and unit therefor A method of gelation of a photographic emulsion, oil in water emulsion, or a gelatin-containing solution comprising continuously rapidly cooling the photographic emulsion, oil in water emulsion, or the gelatin-containing solution, which has good thermal e... | 09/09/1997 |
| 5625137 | Very low scatter liquid and solid tissue mimicking material for ultrasound phantoms and method of making the same A tissue mimicking material for use in ultrasound scanner phantoms has a very low acoustic backscatter coefficient. The tissue mimicking material has the ultrasonic speed and attenuation characteristics of human tissue, with a backscatter coefficient of a... | 04/29/1997 |
| 5604168 | Clay-containing mixture and blend capable of forming a moisture resistant gel, and use of that mixture and blend A dry mixture of (a) powdered or ground smectite and/or a smectite-containing natural rock, wherein the smectite is in an inactive state, (b) 1-10% by weight of a water-soluble polymer and (c) 0.8-6.0% by weight of a powdered activating agent can be combi... | 02/18/1997 |
| 5589104 | Electrophoresis separation gel and a method for preparing an electrophoresis separation gel A gel for use in an electrophoresis separation includes a plurality of gradients within the gel. Each gradient includes a polyacrylamide matrix and a buffer, wherein the polyacrylamide of one gradient has a different and preselected chain length as compar... | 12/31/1996 |
| 5549914 | Heat stable wound care gel Thermally stable collagen gels formed by the addition of small amounts of neutralized slightly cross-linked polyacrylic acid. Thermally stable gels resulting from 0.3 to 4.0 percent by weight of collagen and 0.10 to 0.50 percent by weight of neutralized s... | 08/27/1996 |
| 5514379 | Hydrogel compositions and methods of use Biocompatible, biodegradable, hydrogels are prepared from a backbone bonded to a cross-linking agent. Suitable backbones include proteins and polysaccharides, e.g,, albumin, polymannuronic acid, or polygalacturonic acid. Suitable cross-linking agents incl... | 05/07/1996 |
| 5503771 | Process for susupension of ceramic or metal particles using biologically produced polymers A method for producing a highly loaded, aqueous suspension having a pourable viscosity and containing from 20 to 50 volume percent colloidal ceramic or metal particles. A biologically produced polymer dispersant having a high density of carboxyl functiona... | 04/02/1996 |
| 5484695 | Surfactants and hydrophilic colloid compositions and materials containing them Surfactants useful as dispersing aids in the preparation of compositions comprising a hydrophilic colloid having hydrophobic particles dispersed therein have the structure ##STR1## wherein R is H or methyl provided that when each n=1, each R is methy... | 01/16/1996 |
| 5385812 | Continuous manufacture of gelled microprecipitated dispersion melts The invention discloses a continuous method of manufacture of gelled dispersion melts of "small-particle" microprecipitated photographic agents. The continuous melt manufacturing process of this invention provides dispersion melts that are invariant in ag... | 01/31/1995 |
| 5366857 | Hydrophilic colloid composition for a photographic material A coating composition suitable for use in the preparation of a photographic material comprises an aqueous solution of a hydrophilic colloid and a surface active coating aid having the formula CF3 (CF2)n CH2 O(glycidy... | 11/22/1994 |
| 5312755 | Contrast resolution tissue mimicking phantoms for nuclear magnetic resonance imaging with stable NMR properties Tissue mimicking phantoms for NMR imagers are produced having a base tissue mimicking material enclosed within a sealed container. The base tissue mimicking material is a gel solidified from a mixture of agar, animal hide gelatin, water, glycerol, and ant... | 05/17/1994 |
| 5306340 | Scleroglucan-based compositions and their use as a cementation spacer Use of scleroglucan alone or of mixtures of scleroglucan with a polyalcohol or a dialdehyde as cementation spacers during oil drilling operations.... | 04/26/1994 |
| 5298191 | Non-ionic surface active compounds Non-ionic surface active compounds are provided having the formula ##STR1## wherein L is ##STR2## L' is a chemical bond, --O--, --S--, --NH--, --CONH-- or --SO2 NH--; R is a hydrophobic substituted or unsubstituted alkyl, substituted ... | 03/29/1994 |
| 5271943 | Wound gel compositions containing sodium chloride and method of using them Therapeutic gels are provided which promote the healing of wounds and which have a minimum yield point of about 800 poise and a maximum apparent viscosity of about 100,000 cps, which gels comprise water, sodium chloride, and a gelling agent.... | 12/21/1993 |
| 5246698 | Biocompatible viscoelastic gel slurries, their preparation and use Disclosed are biocompatible viscoelastic gel slurries formed from a polymeric gel, preferably a hyaluronan or a derivative thereof such as hylan swollen in an aqueous medium and a fluid phase which is an aqueous solution of a polymer which may also but no... | 09/21/1993 |
| 5229335 | Ceramic materials and their synthesis by a xerogel process The invention provides a process for producing high phase purity ceramic materials through the utilization of organic gelling agents. The process comprises the following steps: (a) dissolving stoichiometric amounts of metal salts in a solvent to form a so... | 07/20/1993 |
| 5151451 | Translucent, thixotropic hygel The invention concerns with translucent, thixotropic non-particulate denatured protein containing aqueous gels. Also a process for the preparation of these gels is disclosed. The gels can be incorporated in food products and in cosmetics.... | 09/29/1992 |
| 5149469 | Method of manufacturing a wound dressing A method of manufacturing a wound dressing having microscopic web-like interconnections and a porous structure of continuous pores throughout the wound dressing. In the first embodiment of the method, the dressing is produced by the steps of heating while... | 09/22/1992 |
| 5147344 | Hydrogel foams, and a process for their preparation Hydrogel foams a) based on gelatin and water, b) optionally containing polyvinyl alcohol, c) containing a crosslinking agent selected from the group comprising ca) the compounds of at least trivalent metals or semimetals, for example boric acid, borates, aluminium ... | 09/15/1992 |
| 5144016 | Alginate gels Superswelling cross-linked alginate gels which can swell strongly with a controllable swelling time in water, aqueous solutions of salts, proteins or the like. Process for the preparation of the alginate gels comprises the transferring of a water soluble ... | 09/01/1992 |
