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| Number | Title | Issue Date |
| 8088831 | Cellulose ester film, method for producing cellulose ester film, polarizing plate using the same, and liquid crystal display Disclosed is a cellulose ester film which is suppressed in volatilization of components during film formation, while having high surface flatness, high durability after saponification and good adhesion to a polarizer. Also disclosed is a method for producing such a ... | 01/03/2012 |
| 8022107 | Fluorinated polyoxyalkylene glycol diester surfactants A fluorinated polyoxyalkylene glycol diester surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra (1) wherein B is M or... | 09/20/2011 |
| 7906558 | Reversible biogel for manipulation and separation of single-walled carbon nanotubes The invention provides the use of novel, binary guanosine gels for simple, rapid and nondestructive solubilization of individual single walled carbon nanotubes (SWNTs) at high concentrations. The gels exhibit selectivity between metallic and semiconducting SWNTs and... | 03/15/2011 |
| 7737188 | Reversible biogel for manipulation and separation of single-walled carbon nanotubes The invention provides the use of novel, binary guanosine gels for simple, rapid and nondestructive solubilization of individual single walled carbon nanotubes (SWNTs) at high concentrations. The gels exhibit selectivity between metallic and semiconducting SWNTs and... | 06/15/2010 |
| 7645806 | Methods for the preparation of superabsorbent particles containing carboxyalkyl cellulose A method for making particles containing carboxyalkyl cellulose, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a crosslinking agent to pro... | 01/12/2010 |
| 7208593 | Self-cross-linked alkyl cellulose A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon atoms of the alkyl group is 1 through 3, the alkyl group may be subst... | 04/24/2007 |
| 7169427 | Fibre containing composition Compositions of a water in water emulsion having a first phase of gelled particles with specific aspect ratio and width, are suitable for application in products. The compositions impart a creamy impression to the final product. ... | 01/30/2007 |
| 6818597 | Suspensions of water soluble polymers in surfactant free non-aqueous solvents Liquid water soluble polymer suspensions in non-aqueous solvents are extremely stable over long periods of time with minimum separation of the solvent and no hard packing of the dispersed water soluble polymer. The suspensions enable a user to rapidly add the suspen... | 11/16/2004 |
| 6664301 | Method for using glycol additives to texturally modify natural gum hydrogels A method for strengthening a hydrogel of a naturally-occurring gelling agent, or a derivative thereof, including the step of adding at least one glycol to the gelling agent of the general formula: in which, n is from 2 to about 8; x is from 6 to about ... | 12/16/2003 |
| 6656974 | Foam materials An absorbent foam material which comprises a solid, cross-linked form of an anionic polymer (e.g. an alginate) and fibers or other cation contributing polymeric particulates which have donated appropriate cations for effecting cross-linking of the anionic... | 12/02/2003 |
| 6451351 | Method for preparing gel with calcium salts of organic acids A method for preparing a gel composition, such as alginate gel beads, using a proper concentration of calcium pantothenate or calcium ascorbate as a gelling agent.... | 09/17/2002 |
| 6177058 | Hydrogen fluoride compositions The present invention provides compositions that are intimate mixtures of hydrogen fluoride and a polymer. The compositions of the invention are less hazardous and, therefore, more conveniently stored, transported, and handled in comparison to pure hydrog... | 01/23/2001 |
| 6123887 | Process for preparing regenerated cellulose article A composition containing cellulose formate and a solvent system. At a temperature at least equal to a value Tf the composition is a solution, and at a temperature appreciably less than Tf the composition is an elastic, thermoreversib... | 09/26/2000 |
| 6103004 | Matting agent based on aggregated silica The invention relates to an aggregated silica gel which has been produced from silica gel particles having a particle size of 1 to 20μ, a surface of 200 to 1000 m2 /g and a specific pore volume of 0.4 to 2.5 ml/g and a binding agent selected f... | 08/15/2000 |
| 5951909 | Composition for the detection of electrophilic gases and methods of use thereof There is provided a method for the detection of leaks of an electrophilic gas from a system, such as chlorodifluoromethane or carbon dioxide, which comprises applying to an exterior surface of the system a gel consisting essentially of a Lewis base capabl... | 09/14/1999 |
| 5783110 | Composition for the detection of electrophilic gases and methods of use thereof There is provided a composition for the detection of an electrophilic gas, such as chlorodifluoromethane or carbon dioxide, which comprises a Lewis base capable of removing a proton from the gas or reacting therewith in a similar electrophilic manner; a d... | 07/21/1998 |
| 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 |
| 5603955 | Enhanced loading of solutes into polymer gels A method of loading a drug into a crosslinked polymer network and protecting the drug from the effects of inactivation is described. The method includes the steps of contacting of a biologically active solute (i.e., drug) with:(i) a gel network; (ii) a se... | 02/18/1997 |
| 5575992 | Extended release hot and cold gel fragrance cartridges and method of making the same A fragrance dispensing cartridge is disclosed housing either a hot- or cold-type fragrance containing gel. Each gel is housed in a cartridge having an opening, wherein the opening is covered with an air permeable membrane. The membrane is positioned above... | 11/19/1996 |
| 5569364 | Separation media for electrophoresis Separation media for electrophoresis, and methods of filling and flushing of electrophoretic devices such as capillaries are described. By preparing submicron to above-micron sized cross-linked gel particles and using gel swelling equilibrium concepts, su... | 10/29/1996 |
| 5565513 | Method and composition for delaying the cross-linking of water soluble polymer solutions A stable, non-aqueous liquid suspension of delayed boron cross-linkers comprises an anhydrous boron compound or a sparingly soluble borate suspended in a mixture of mineral spirits (commonly termed as naphtha) and a resin. Anhydrous boron compounds suitab... | 10/15/1996 |
| 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 |
| 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 |
| 5503847 | Hydrocolloid wound gel A hydrocolloid wound gel composition useful for cleansing an debriding wounds and having some capacity for absorbing wound exudate and a method of treating wounds comprising applying the hydrocolloid wound gel to a wound. The composition includes sodium c... | 04/02/1996 |
| 5492754 | Absorbent composition including a magnetically-responsive material Disclosed is an absorbent composition including a hydrogel-forming polymeric material and a magnetically-responsive material; disposable absorbent products, including the absorbent composition, intended for the absorption of body fluids; and a method for ... | 02/20/1996 |
| 5366742 | Colloidal microcrystalline cellulose and barrier dispersant composition and method for manufacture A dry composition comprising attrited MCC particles at least partially coated with a barrier dispersant which is an alginate calcium/sodium salt complex; processes for manufacturing the barrier dispersant and MCC particle composition; and methods for usin... | 11/22/1994 |
| 5316577 | Plastically deformable metallic mixtures and their use A plastically deformable metallic mixture is provided using finely divided metallic particulate matter, organic binding agent, polar liquid, anionic dispersing agent and nonionic surfactant. The invention is also directed at a mixture further comprising w... | 05/31/1994 |
| 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 |
| 5207934 | Crosslinked hydroxyethylcellulose and its uses Polymers (and especially hydroxyethylcellulose) are crosslinked using a lanthanide as a crosslinking agent. The crosslinked polymers have utility in well completion, well stimulation, enhanced oil recovery, and subterranean fluid containment operations.... | 05/04/1993 |
| 5169559 | Method for forming a high viscosity gel The invention is a method for forming a high viscosity gel by mixing about 0.9% to about 3.0% by weight of hydroxy propyl cellulose having an average molecular weight greater than about 1,000,000 about 0.4% to about 3.0% by weight of an alkali metal dodec... | 12/08/1992 |
| 5120374 | Gel for brazing filler metal paste A brazing paste gel has a composition of 1-4 wt. % hydroxypropylcellulose, 40-80 wt. % 1,2-propanediol, 18-58 wt. % 2-propanol. Alternatively, the composition may be 1-4 wt. % hydroxypropylcellulose, 20-70 wt. % 1,2-propanediol, 26-76 wt. % water.... | 06/09/1992 |
| 5112525 | Method for making a post-foaming gel A method of making a post foaming gel comprising the following steps: A gel base is cycled between first and second cylinders and a heat exchanger. A foaming agent is introduced to the cycled gel base through the heat exchanger while the gel base is being... | 05/12/1992 |
| 5100567 | Shear-thickening solutions with hydroxypropyl cellulose The invention is an aqueous shear-thickening composition comprising in one embodiment about 0.2% to about 1% by weight of hydroxypropyl cellulose having an average molecular weight between about 1,000,000 and about 1,300,000, about 0.1% to about 0.7% by w... | 03/31/1992 |
| 5078911 | Apparatus for making a post-foaming gel An apparatus for making a post-foaming gel comprising, a first cylinder having a chamber and a slidable piston separating the chamber into a first compartment to receive a gel base and a second compartment, a second cylinder having a chamber and a slidabl... | 01/07/1992 |
| 5076361 | Gel method for decreasing permeability around a wellbore The invention is a method for decreasing formation permeability in an underground formation around a wellbore by injecting an aqueous fresh water solution comprising about 0.9% to about 3.0% by weight of hydroxy propyl cellulose having an average molecula... | 12/31/1991 |
| 5034222 | Composite gel-foam air freshener A solid composite air freshening article is provided which comprises a granular foam phase dispersed throughout a gelled phase in an amount effective to provide a sustained release of an effective amount of volatile air freshening ingredients present in b... | 07/23/1991 |
| 5008117 | Formulation for preparing extemporaneous homogeneous microcapsule suspension The invention relates to a method by which it is possible to prepare a formulation consisting of thickening or suspending agents and other excipients, having the property of dispersing and dissolving quickly in water or aqueous vehicles, without clot form... | 04/16/1991 |
| 4990268 | Mixed metal hydroxides for thickening water or hydrophylic fluids Novel monodispersed crystalline mixed metal layered hydroxide compounds of the general formula are prepared: Lim Dd T(OH).sub.(m+2d+3+na) Aan, where m is an amount from zero to 1; D is a divalent metal; d is the amo... | 02/05/1991 |
| 4980085 | Apparatus for making post-foaming gels and method An apparatus for making post-foaming gels comprising, a piston chamber having an outer case defining a chamber, a piston being slidably received in the case and separating the chamber into a first compartment adjacent one end of the case for retaining a g... | 12/25/1990 |
| 4959341 | Biodegradable superabsorbing sponge A new superabsorber which gels and cross-links as hydrated has been developed. The superabsorber contains a branched-chain polyanionic carbohydrate such as carboxymethylcellulose, a cross-linking agent, and a hydrophobic carboxylic acid. The superabsorber... | 09/25/1990 |
