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| Number | Title | Issue Date |
| 6479586 | Hybrid polymers for phase change ink jet inks Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 11/12/2002 |
| 6476146 | Hybrid polymers for phase change ink jet inks Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 11/05/2002 |
| 6472343 | Shaped activated carbon A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the C... | 10/29/2002 |
| 6409882 | Tall oil refining improvement In a tall oil refining operating plant, a warm water loop is disclosed for cooling the tall oil heads fraction extracted from the crude tall oil, rather than the conventional use of cold water. This avoids condensation and the subsequent solidification of... | 06/25/2002 |
| 6376611 | Method of preparing hybrid polymers for phase change ink Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 04/23/2002 |
| 6368457 | Internal paper sizing agent The present invention comprises an alum/rosin composition for internally sizing paper which is useful in any papermaking furnish with moderate to high hardness, as well as methods for preparing such alum/rosin composition. Employing the invention alum/ros... | 04/09/2002 |
| 6171373 | Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streams An adsorptive monolith made by extruding a mixture of activated carbon, a ceramic forming material, a flux material, and water, drying the extruded monolith, and firing the dried monolith at a temperature and for a time period sufficient to react the cera... | 01/09/2001 |
| 6156384 | Ink-jet printing method A cationic, water-soluble polymer is disclosed as a substrate treatment resin (i.e., coating) to improve color-fastness and adhesion of an ink-jet ink printed onto the coated substrate. More particularly, a 50% solids aqueous solution of a cationic acryli... | 12/05/2000 |
| 6103780 | Ink jet inks A pigment-based, ink jet ink composition is disclosed which is characterized by water and accent marker resistance and by high optical density and acuity of the print. Such improvements are achieved (without loss of print quality, jetting properties, stor... | 08/15/2000 |
| 6057462 | Isolation and purification of sterols from neutrals fraction of tall oil pitch by single decantation crystallization Sterols from the solvent-extracted or distilled neutrals of saponified tall oil pitch are disclosed to be isolated and purified by a process of a liquid-liquid extraction where the hydrocarbon extraction stream is washed with an aqueous methanol solution ... | 05/02/2000 |
| 6045606 | Water-based ink jet ink compositions containing carboxylated lignin An ink jet ink composition is disclosed comprising (a) from about 40% to about 98% of a water-based solvent system (carrier medium), (b) from about 1% to about 20% of one or more colorants, and (c) from about 0.1% to about 20% of carboxylated lignin. It h... | 04/04/2000 |
| 6025022 | Two-component ink jet ink method for the production of lithographic plates A printing system consisting of at least two reactive components is disclosed, in which one component is a polymer having attached at least one functional group that is reactive with an aziridine, such as a carboxyl, thiocarboxyl, sulfonic, phosphoric, ep... | 02/15/2000 |
| 6020405 | Preparation of shear-thinning phase change ink jet inks Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more reversibly-crossli... | 02/01/2000 |
| 6007610 | Corrosion inhibiting phase change ink jet inks Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 12/28/1999 |
| 6001904 | Shear-thinning phase change ink jet inks and method of printing therewith Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 12/14/1999 |
| 5989299 | Mixtures of amine modified lignin with sulfonated lignin for disperse dye Dyestuff compositions are provided which incorporate, as the grinding aid and/or dispersant therefor, amine modified lignin admixed with sulfonated lignin. The disclosed dyestuff compositions exhibit improved heat stability and, as a result of the higher ... | 11/23/1999 |
| 5980589 | High activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 11/09/1999 |
| 5972047 | Amine modified sulfonated lignin for disperse dye Dyestuff compositions are provided which incorporate amine modified sulfonated lignins. The disclosed dyestuff compositions exhibit improved heat stability and, as a result of the higher activity of the amine modified sulfonated lignin, less dispersant is... | 10/26/1999 |
| 5973036 | Reversibly-crosslinked-polymers for shear-thinning phase change ink jet inks Phase-change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more reversibly-crossli... | 10/26/1999 |
| 5965483 | Highly microporous carbons and process of manufacture A process for further chemical activation of activated carbon is disclosed comprising activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to 5% to 15% moisture content, activating this blend at from ... | 10/12/1999 |
| 5871663 | Additive composition for reducing anthraquinone requirements in pulping of lignocellulosic material An improved process for delignification of lignocellulosic raw material, such as wood chips, for the production of cellulose pulps for use in the manufacture of paper or paperboard and an improved pulping aid composition for use in said process are disclo... | 02/16/1999 |
| 5871614 | Process for reducing anthraquinone requirements in pulping of lignocellulosic material An improved process for delignification of lignocellulosic raw material, such as wood chips, for the production of cellulose pulps for use in the manufacture of paper or paperboard and an improved pulping aid composition for use in said process are disclo... | 02/16/1999 |
| 5863858 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and an inorganic binder are disclosed to provide improved performance when processed through tumbling equipment while the pellets are in their "green" state (i.e., pellets which are fres... | 01/26/1999 |
| 5851349 | Magnetic deinking of waste papers An improved process is disclosed for deinking waste paper which contains nonimpact printed papers printed with xerographic and laser inks by repulping the waste paper to form a slurry in the presence of an agglomeration agent and magnetite and subjecting ... | 12/22/1998 |
| 5849149 | Magnetic deinking of waste papers An improved process is disclosed for deinking waste paper which contains nonimpact printed papers printed with xerographic and laser inks by repulping the waste paper to form a slurry in the presence of an agglomeration agent and magnetite and subjecting ... | 12/15/1998 |
| 5837376 | Postforming decorative laminates Improvements in the construction of postformable laminates are disclosed by the provision of a single high basis weight sheet exhibiting improved saturation and resin pick up characteristics and formed predominantly of hardwood pulp which pulp has been me... | 11/17/1998 |
| 5755830 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/26/1998 |
| 5749926 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/12/1998 |
| 5736481 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and an organic binder provide improved performance when processed through tumbling equipment while the pellets are in their "green" state, i.e., pellets which are fresh off the extruder ... | 04/07/1998 |
| 5736485 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and an organic binder provide improved performance when processed through tumbling equipment while the pellets are in their "green" state, i.e., pellets which are fresh off the extruder ... | 04/07/1998 |
| 5710092 | Highly microporous carbon A highly microporous activated carbon is disclosed which is prepared by activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to below 25% moisture content, activating this blend at from about 650° to... | 01/20/1998 |
| 5691270 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and a minority of a binder material are disclosed to provide improved performance when processed through tumbling equipment while the pellets are in their "green" state (i.e., pellets wh... | 11/25/1997 |
| 5639346 | Magnetic removal of "stickies" from waste papers An improved process is disclosed for removing "stickies" from waste paper which contains hot-melt and pressure-sensitive adhesives and lattices to produce high quality (high brightness, little to no dirt content) pulp with little or no fiber loss. The pro... | 06/17/1997 |
| 5626637 | Low pressure methane storage with highly microporous carbons A process is disclosed for storing gaseous hydrocarbon fuel in storage containers under relatively low pressure by including in the cylinders highly microporous carbons prepared by further chemical activation of activated carbon comprising activation an a... | 05/06/1997 |
| 5543110 | Tall oil deodorization process A process for deodorizing tall oil rosin and tall oil fatty acids and their derivatives by treating same with an ammonium hydroxide solution under conditions of a steam sparge.... | 08/06/1996 |
| 5538932 | Preparation of high activity, high density activated carbon with activatable binder An improved method of manufacturing hard activated carbon pellets is disclosed in which a lignocellulose material is chemically activated to form a char and heated to a temperature above about 360° C. which char is ground and then agglomerated in a pin m... | 07/23/1996 |
| 5538929 | Phosphorus-treated activated carbon composition Disclosed is a phosphorus treated activated carbon composition suitable for use as catalyst support, catalyst, and an adsorbent, which is produced by treating (e.g., by mixing or impregnating) an activated carbon material having a surface area greater tha... | 07/23/1996 |
| 5527426 | Magnetic deinking of waste papers An improved process is disclosed for deinking waste paper which contains laser, electrostatic, and other non-impact printing toners/inks to produce high quality (high brightness, little to no dirt content) pulp with little or no fiber loss. The process in... | 06/18/1996 |
| 5443902 | Postforming decorative laminates Improvements in the construction of postformable laminates are disclosed by the provision of a single high basis weight, high coarseness, high kappa number sheet formed predominantly of softwood pulp, preferably southern loblolly pine, which pulp has been... | 08/22/1995 |
| 5416056 | Production of highly microporous activated carbon products A two-stage process for chemical activation of lignocellulose-derived carbon is disclosed comprising a first activation stage of blending a lignocellulose material with phosphoric acid, carbonizing the blend at from about 300° F. to about 1,100° F. (abo... | 05/16/1995 |
