Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7351422 | Hemostatic soluble cellulose fibers containing coagulating protein for treating wound and process for producing the same Proposed is a novel soluble trauma-healing and hemostatic cellulose fiber capable of absorbing and readily dissolving hemorrhaging trauma loci when applied thereto and of promoting the hemostatic action of blood platelets and fibrin and cell adhesion to the trauma s... | 04/01/2008 |
| 7319146 | Nonionic cellulose ether and its use The present invention relates to a nonionic methyl ethyl hydroxyethyl cellulose ether having a flocculation temperature of 70-95° C., a DS-methyl of 0.1-0.8 and a DS-ethyl of 0.1-0.7. The cellulose ether has versatile properties and may be used as a thickening agen... | 01/15/2008 |
| 7151173 | Admixture, extrudable hydraulic composition and method for the selection of admixture A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20Â... | 12/19/2006 |
| 7098327 | Dual-functional ion exchange resins from agricultural by-products A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid and then cationization of the lignocellulosic agricultural material wi... | 08/29/2006 |
| 7026471 | Purification method of hydroxypropylmethyl cellulose phthalate The present invention relates to a purification method of hydroxypropylmethyl cellulose phthalate, more particularly to a method of preparing high-purity hydroxypropylmethyl cellulose phthalate through a simple crushing process which comprises: increasing fluidity o... | 04/11/2006 |
| 7022837 | Cellulose ethers and method of preparing the same The present inventors have discovered that the solution rheology of cellulose ethers prepared from cellulose pulp is altered by mercerizing and recovering cellulose pulp before preparing the cellulose ethers. For example, the solution viscosity of carboxymethyl cell... | 04/04/2006 |
| 6914139 | Solution of cellulose acylate dissolved in mixed solvent of ketone and ester In a cellulose acylate solution, cellulose acylate is dissolved in an essentially non-chlorinated solvent. The essentially non-chlorinated solvent is a mixture of a ketone having a solubility parameter of 19 to 21 and an ester having a solubility parameter of 19 to ... | 07/05/2005 |
| 6911483 | Ion exchangers The present invention is related to a new quaternary amino (QA) anion exchanger comprising QA derivatized, hydroxy (C2-C4) alkylated and cross-linked regenerated cellulose, in which the level of derivitization with the QA-groups is 1.4 milli-eq... | 06/28/2005 |
| 6531593 | Method for production of cellulose derivatives and the resulting products Cellulose derivatives are formed by first crosslinking cellulose and subsequently reacting the crosslinked cellulose with a reagent capable of forming a cellulose ether or ester. Many crosslinking agents are suitable but those forming ether linkages betwe... | 03/11/2003 |
| 5994531 | Cellulose ethers containing 2-propenyl groups and use thereof as protective colloids in polymerizations Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses having an average degree of polymerization of less than 900 which is substituted by, on average, from 0.01 to 0.04 2-propenyl groups ... | 11/30/1999 |
| 5583214 | Dual functional cellulosic additives for latex compositions Cellulose ether derivatives comprising a hydrophobic substituent having an unsaturated alkyl portion are disclosed. The unsaturation in the alkyl portion of the hydrophobic substituent can promote crosslinking of the cellulose ether derivative. The cellul... | 12/10/1996 |
| 5541255 | Cross-linked linear polysaccharide polymers as gels for electrophoresis A bed of water insoluble, transparent, cross-linked gel, suitable for use in electrophoresis, is formed by dissolving a polysaccharide, including at least one linear polysaccharide such as agarose or hydroxyethyl cellulose, in a suitable solvent, such as ... | 07/30/1996 |
| 5527902 | Bead-shaped cellulose products for separating and carrier materials and their manufacture Bead-shaped cellulose products and a process for the manufacturing of such ead-shaped porous cellulose products provide improved characteristics, particularly a hydrophilic, reversibly expandable cellulose matrix with a pore structure that can be adjusted ... | 06/18/1996 |
| 5498705 | Modified polysaccharides having improved absorbent properties and process for the preparation thereof Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent, adding a generally water-soluble, modified polysaccharide to... | 03/12/1996 |
| 5470964 | Process for the preparation of modified polysaccharides having improved absorbent properties Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent, adding a generally water-soluble, modified polysaccharide to... | 11/28/1995 |
| 5346542 | Aqueous dispersion of enteric polymers and a method for producing the same A novel polymer aqueous dispersion of enteric cellulose derivatives without ester bonded substituents, of which anionic functional groups form salts with cations. The aqueous dispersion of the present invention is used as coating agents for foods and phar... | 09/13/1994 |
| 5290829 | Perfluorinated alkyl hydrophobe hydroxyalkylcellulose associative thickeners A purified hydroxyethylcellulose (HEC) or hydroxypropylcellulose (HPC) reacts with a perfluorinated alkyl glycidyl ether to produce an associative thickener wherein a fluorinated C8 chain is nearly as effective as a hydrocarbyl C16 s... | 03/01/1994 |
| 5186847 | Methods of preparing and using substantially debris-free gelled aqueous well treating fluids The present invention relates to methods of preparing and using substantially debris-free gelled aqueous well treating fluids containing a cellulose gelling agent. The preparation methods comprise the steps of forming a gelled aqueous fluid and then mixin... | 02/16/1993 |
| 5008385 | Cellulose derivatives and fibers and membranes made therefrom Cellulose derivatives are disclosed which have the following formula: ##STR1## wherein Z is selected from the group consisting of alkylene, alkenylene, alkynylene, cycloalkylene or benzylene or xylylene radicals, which may or may not be substituted; ... | 04/16/1991 |
| 4994509 | Multicolored compound for wall coating Aqueous dispersion of a multicolored wall coating composition comprising colored minerals in the form of quartz granules having transparent or translucent fibers agglomerated thereto, wherein said minerals are transparent or translucent after drying.... | 02/19/1991 |
| 4803264 | Process for the preparation of a polysaccharide in oil dispersion and dispersion obtained thereby The invention provides a process for the preparation of a polysaccharide in oil dispersion which comprises the steps of (a) forming a water-in-oil emulsion by dispersing in oil an aqueous solution of polysaccharide, in the presence of at least one dispersion ... | 02/07/1989 |
| 4696762 | Hydroxypropylmethylcellulose A process is used to increase the rate and quality of dispersion of hydroxypropylmethylcellulose (HPMC) in water. The HPMC is dry blended in a fluidized bed by intermittently spraying the HPMC particles with a liquid spray while the particles are in the f... | 09/29/1987 |
| 4689408 | Method of preparing salts of carboxymethylcellulose Disclosed are novel sodium salt of carboxymethylcellulose (CMC) which are substantially nonfibrous, have a degree of substitution (D.S.) of 0.2 to 0.9 and an absorbency of at least 25 g. liquid/g. the novel CMC material, and are prepared from a cellulose ... | 08/25/1987 |
| 4634439 | pH-regulating Cellulose fiber A cellulose fiber which is carboxyalkylated in free acid form, a fiber mass formed therefrom, and a method for producing such fiber.... | 01/06/1987 |
| 4634438 | pH-regulating Cellulose products Hygienic products of various types, all comprising as their operative body contact portion a fiber mass of acidic, modified, pH-regulating, cellulose.... | 01/06/1987 |
| 4622153 | Liquid polymer containing compositions for thickening aqueous systems A liquid polymer containing composition, useful as a thickening agent for aqueous systems, containing hydroxyethyl cellulose, a hydrophobic liquid medium in which the hydroxyethyl cellulose is substantially non-swellable and a gelling agent for thickening... | 11/11/1986 |
| 4615882 | Disinfectant solution for contact lens An aqueous anti-microbial disinfectant solution for contact lenses contains an effective amount of an active ingredient which is an anti-microbial, organosilicon quaternary ammonium salt chemically bonded to a water soluble, high molecular weight organic ... | 10/07/1986 |
| 4584370 | Process for the production of calcium cellulose glycolate The present invention is directed to a method of producing calcium cellulose glycolate. Basically, the method comprises converting sodium cellulose glycolate to calcium cellulose glycolate in a heterogeneous reaction system under particular reaction condi... | 04/22/1986 |
| 4582614 | Compositions and method for thickening aqueous brines A polymeric composition useful in the thickening of aqueous brines comprising hydroxyethyl cellulose, a water miscible organic liquid and an aqueous liquid.... | 04/15/1986 |
| 4581446 | Purification of cellulose ethers Impurities in cellulose ether compositions are removed by providing a functionally effective thickness of a cellulose ether composition to a filtration device, and contacting the thickness, in a manner such that substantial thickness is maintained with at... | 04/08/1986 |
| 4566977 | Non-aqueous slurries used as thickeners Described herein is an improved non-aqueous slurry suitable for use as a thickener or viscosifier in oil or gas drilling, fracturing, flow diversion, completion or workover fluids, which slurry comprises a water-soluble cellulose ether polymer, a water-in... | 01/28/1986 |
| 4537958 | Process for preparing cellulose ethers Non-gelling cellulose ethers are purified by mixing same with a dialdehyde under acidic conditions and under high agitation, forming a slurry of the treated cellulose ether, rapidly transferring the slurry to a filter and then dewatering said slurry.... | 08/27/1985 |
| 4536217 | Absorbing cover for wounds and the method for manufacturing thereof The invention pertains to the absorbing dressing for wounds, which consists of spherical particles of regenerated cellulose of the size 0.05-0.5 mm (preferably 0.05-0.3 mm) and a macroporous structure characterized by the cyclohexane regain of the dry mat... | 08/20/1985 |
| 4521594 | Process for producing sodium carboxymethylcellulose A process for producing sodium carboxymethylcellulose having an excellent dispersibility in water by heat-treating sodium carboxymethylcellulose to crosslink the same. The starting sodium carboxymethylcellulose has an equivalent ratio of the free carboxyl... | 06/04/1985 |
| 4508894 | Acid-type carboxymethyl cellulose and process for preparing the same The present invention provides a novel water-soluble acid-type carboxymethyl cellulose characterized by: (a) having a total degree of substitution "x" by carboxymethyl group of 0.42 to 3.00 per anhydrous glucose unit, the degree of substitution "y" by aci... | 04/02/1985 |
| 4474950 | Cellulose ethers having improved dispersing properties Modified cellulose reaction products, which are dispersible in aqueous media over a broad pH range without lump formation, are prepared by reacting water-soluble cellulose ether with a specified silane modifying agent in the amount of from 0.0001 to 0.12 ... | 10/02/1984 |
| 4439333 | Heavy brine viscosifiers Polymeric compositions for, and methods of, increasing the viscosity of aqueous brine well servicing fluids comprising adding to the brine a composition containing hydroxyethyl cellulose, a solid organic activating agent for the hydroxyethyl cellulose, an... | 03/27/1984 |
| 4435564 | Compositions and processes for using hydroxyethyl cellulose in heavy brines Processes are disclosed for activating hydroxyethyl cellulose (HEC) such that the HEC will disperse and hydrate in compatible heavy brines having a density greater than about 13.5 pounds per gallon containing one or more salts selected from the group cons... | 03/06/1984 |
| 4400502 | Readily dispersible anionic, water-soluble cellulose derivatives and a method for their preparation Anionic, water-soluble cellulose ethers which are treated with a mixture of glyoxal and a sodium borate, preferably borax, readily disperse in aqueous solutions without clumping or agglomerating. These treated compounds can be formed by contacting an orga... | 08/23/1983 |
| 4368323 | Substantive wetting agents for absorbent materials The absorbent material is treated to increase its wettability in a substantive manner. This is accomplished by reacting a diepoxide compound with an absorbent material selected to have accessible hydroxyl groups and with a surfactant having functional end... | 01/11/1983 |
