Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7288578 | Biocompatible inks, preparation, and uses thereof An aqueous ink comprising containing a colorant and a radiation-curable oligomer or polymer containing H-active groups bonded to the oligomer or polymer backbone, some or all of whose hydrogen atoms have been substituted by radicals of a N-hydroxyalkyl (meth)acrylam... | 10/30/2007 |
| 7247722 | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective alde... | 07/24/2007 |
| 7244840 | 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... | 07/17/2007 |
| 7166135 | Product and method for treating cotton A process for producing an ionic crosslinked fibrous material, such as a cellulosic fabric, paper, or other substrate, wherein the ionic crosslinked fiber exhibits an increased wrinkle resistance angle. A process for producing a cationized chitosan, wherein the cati... | 01/23/2007 |
| 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 |
| 7101426 | Inorganic matrix composite reinforced by ionically crosslinked polymer An in situ ionic interaction between two additives, one a cationic strength enhancing additive and one an anionic crosslinking additive, is used to improve the mechanical properties of an article formed from a composite material. The composite has a discrete phase b... | 09/05/2006 |
| 7095604 | Electrode for electric double-layer capacitor, and slurry for forming the same In an electric double-layer capacitor, a solution of a quaternary ammonium borofluoride compound in propylene carbonate is used as an electrolyte. The electrode includes alkali-activated carbon made using meso-phase pitch as a starting material, and a conductive fil... | 08/22/2006 |
| 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 |
| 7005515 | Process for preparing alkyl hydroxyalkyl cellulose ethers The process for preparing an alkyl hydroxyalkyl cellulose ether comprises the steps of: a) alkalizing cellulose to obtain alkali cellulose, b) reacting alkali cellulose with an alkyl halogenide until an alkyl cellulose ether with a D.S.(alkyl) value of from 0.7 to 2... | 02/28/2006 |
| 6960344 | Use of imine-forming polysaccharides as adjuvants and immunostimulants The present invention relates to polysaccharide conjugates that comprise: a polysaccharide that binds to surface-receptors present on Antigen Presenting Cells, conjugated to one or more compounds having stable carbonyl groups covalently attached, either directly or ... | 11/01/2005 |
| 6958314 | Alkylated alkyl polyglucoside non-ionic surfactants A petro-chemical free nonionic surfactant is prepared by the alkylation of an alkyl polyglucoside (APG). Under suitable alkylation reaction conditions, the surfactants are preferably prepared by the reaction of an APG with either alkyl halide or an alkyl tosylate. T... | 10/25/2005 |
| 6933381 | Method of preparing modified cellulose ether Process for the production of polysaccharide ethers, e.g. cellulose ethers, are disclosed wherein salts formed during the process, e.g., sodium nitrate or sodium acetate, are converted to their corresponding acids and bases by means of an electric current, preferabl... | 08/23/2005 |
| 6872820 | Finely divided polysaccharide derivatives Finely divided polysacharide derivatives are described. The finely divided polysacharide derivatives are prepared by a process comprising: a) forming an aqueous composition comprising a polysaccharide derivative and water, in which the polysaccharide derivative is s... | 03/29/2005 |
| 6806364 | Ophthalmic compositions An aqueous ophthalmic solution containing 0.2 to 2.5 percent by weight a polymeric demulcent, 0.045 to 0.065 percent by weight a calcium salt, and 0.14 to 1.4 percent by weight a phosphate salt. The solution has a viscosity of 20 to 150 centipoise and is buffered to... | 10/19/2004 |
| 6602994 | Derivatized microfibrillar polysaccharide A method for producing derivatized microfibrillar polysaccharide, including but not limited to cellulose, derivatized by steric and/or electrostatic forces, where the electrostatic forces are provided by anionic charge or by a combination of both anionic ... | 08/05/2003 |
| 6600033 | Modified cellulose ethers The invention relates to a cellulose ether that is hydrophobically modified with an alkyl or alkenylketene dimer of general formula (I), in which R1 and R2 are alkyl or alkenyl chain, ##STR1## such as one having 5 to 22, preferably 1... | 07/29/2003 |
| 6569906 | Composition containing a precursor capable of being hydrolysed by glucocerebrosidase The invention concerns a composition capable of being hydrolyzed by a cutaneous enzyme, glucocerebrosidase. The active precursor is advantageously a gluco-conjugate derived from phenol whereof the two carbons are free. The invention also concerns ... | 05/27/2003 |
| 6562961 | Aminoalkyl trialkyl silyl cellulose and a method for coating surfaces The invention relates to polysaccharide derivatives comprising a) at least one hydrophobic and b) at least one nitrogen-containing substituent; in particular, the derivative is a cellulose ether which, as substituent a), has a trialkylsilyl and, as substi... | 05/13/2003 |
| 6441057 | Optical sensor membranes having improved barrier properties The present invention discloses novel polymer compositions comprising cellulose acrylamide, acrylamide and/or a fluorescent indicator species, and membranes made with these compositions. Optical pH sensors for monitoring the pH in a fluid sample, and meth... | 08/27/2002 |
| 6380381 | Low-substituted hydroxypropyl cellulose The present invention provides low-substituted hydroxypropyl cellulose exhibiting good granulation characteristics and tablet properties. Specifically, there is provided low-substituted hydroxypropyl cellulose having a hydroxypropoxyl content in the range... | 04/30/2002 |
| 6369132 | Fine particle size low bulk density thermoplastic polymers Fine particulate thermoplastic polymers [e.g., hydrophobically modified polyether-polyurethanes, polyacrylates, polyvinyl alcohol, polyether-polyols, polyacrylamide, aminoplast-polyethers and poly(acetal- or ketal-polyethers] having reduced bulk density, ... | 04/09/2002 |
| 6265570 | Cold water soluble starch aldehydes and the method of preparation thereof Stable, cold water soluble, ready for use starch aldehyde compositions and the method of preparation of such compositions wherein an aqueous dispersion of a converted starch acetal is hydrolyzed under acidic conditions to form the starch aldehyde which is... | 07/24/2001 |
| 6184272 | Fiber-reinforced molded plastic part and process for its manufacture A fiber-reinforced molded plastic part, a process for its manufacture and a use. The fiber-reinforced molded plastic part consists of a plastic matrix with natural fibers particularly arranged in a uniformly distributed manner in the plastic matrix. The p... | 02/06/2001 |
| 6121439 | Waterborne coatings with cationically modified associative ethers A coating composition is composed of a water-soluble polysaccharide composition comprising at least one hydrophobic group selected from aryl, alkyl, alkenyl, aralkyl and mixtures thereof and at least one quaternary ammonium salt group, both connected to a... | 09/19/2000 |
| 6103885 | Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable The Invention pertains to a process for the amidation of a material having at least one carboxyl-containing polysaccharide. The provided process involves a first step in which the carboxyl groups are reacted with an ammonium donor of the general formula >... | 08/15/2000 |
| 6075166 | Photolytically cleavable encoding and linking agents for use in combinatorial chemistry The present invention is to novel photochemically cleavable aryl sulfonamides of the formula P--A3 --A2 --A1 --S(O)2 NR1 R2 wherein R1 and R2 are independently selected from opt... | 06/13/2000 |
| 5908845 | Polyether nucleic acids A compound comprising a polyether backbone bearing a plurality of ligands that are individually bound to chiral carbon atoms located within said backbone, at least one of said ligands including a moiety selected from the group consisting of a naturally oc... | 06/01/1999 |
| 5792856 | Process for preparing carboxyalkyl cellulose esters This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range... | 08/11/1998 |
| 5739304 | Process for the preparation of water-soluble aminoalkyl derivatives of polysaccharides Water-soluble polysaccharides which contain a) substituents selected from the group consisting of alkyl, hydroxyalkyl, carboxyalkyl and sulfoalkyl, b) N,N-disubstituted aminoalkyl groups, are prepared by alkylation of a polysaccharide in the presence of a base ... | 04/14/1998 |
| 5708162 | Process for the preparation of low molecular weight polysaccharide ethers Process for the preparation of low molecular weight polysaccharide ethers which can be employed in binders for improving adhesive power and film-forming properties, by oxidative degradation of relatively high molecular weight polysaccharide ethers, which ... | 01/13/1998 |
| 5614616 | Process for the production of polysaccharides Polysaccharides corresponding to formula (I) ##STR1## in which S is a recurrent monosaccharide unit and B is a group of formula (Ia) attached to the monosaccharide unit S by an O atom ##STR2## are prepared by reaction of polysaccharides with an ... | 03/25/1997 |
| 5612321 | Antioxidant grafted polysaccharides Grafted polysaccharide compositions comprising polysaccharides grafted with antioxidants on at least one hydroxyl group of the polysaccharide. The use of antioxidant grafted polysaccharides or antioxidant grafted crosslinked polysaccharides as a treatment... | 03/18/1997 |
| 5552485 | Ethylenically unsaturated polymeric alkoxysilanes useful for treating fluoroaluminosilicate glass Fluoroaluminosilicate dental cement glasses are treated with an aqueous silanol treating solution and optionally with an additional organic compound. The treated glasses form cements with improved strength. The silanol can be ethylenically-unsaturated and... | 09/03/1996 |
| 5426182 | Polysaccharides containing complex hydrophobic groups Polysaccharides, including hydroxyethyl cellulose, having complex hydrophobic group substitution, provide latex compositions, such as paints, with improved rheology and stability. Improved processes for producing such polysaccharides are also provided.... | 06/20/1995 |
| 5407919 | Double-substituted cationic cellulose ethers Double-substituted, water-soluble, cellulose ethers substituted with a cationic substituent and a hydrophobic substituent are disclosed. The levels of substitution for the cationic substituent and the hydrophobic substituent can provide enhanced propertie... | 04/18/1995 |
| 5349089 | Reagent for preparing polycationic polysaccharides Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati... | 09/20/1994 |
| 5227481 | Cationic polysaccharides and reagents for their preparation Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati... | 07/13/1993 |
| 5093486 | Modified chitin for biocompatible dialysis membranes II and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is unmodified cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 ... | 03/03/1992 |
| 5093489 | Modified chitin for biocompatible dialysis membranes IV and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein Cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case... | 03/03/1992 |
| 5093488 | Modified chitin for biocompatible dialysis membranes III and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case... | 03/03/1992 |
