Today In History
Thomas Edison obtained a patent for an electrographic vote recorder.
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 |
| 7370395 | Heating apparatus and process for drawing polyolefin fibers A heating apparatus and process useful for drawing ultrahigh molecular weight polyolefin fibers, such as polyethylene fibers. The heating apparatus includes a first set of rolls and a plurality of aligned ovens. The apparatus includes a second set of rolls at the ex... | 05/13/2008 |
| 7353670 | Tile sponge washing and conditioning apparatus A tile sponge washing and conditioning apparatus is disclosed for washing in water a sponge used during a ceramic tile laying operation. The apparatus includes a frame for disposition thereof within the water. The frame includes a first wall and a second wall which ... | 04/08/2008 |
| 7291247 | Absorbent sheet made with papermaking fibers with durable curl A process for bleaching high bulk cellulosic fiber and producing a durable elevated curl index includes: (a) concurrently bleaching, heat treating and convolving cellulosic fiber pulp at elevated temperature and pressure at high consistency generally under condition... | 11/06/2007 |
| 7285184 | Cellulosic fiber pulp and highly porous paper products produced therefrom A cellulosic pulp, method of producing the pulp, and associated paper product produced therefrom produced by providing mercerized cellulosic fibers and depositing a hemicellulose coating upon the mercerized fibers. The hemicellulose is deposited upon the fibers by c... | 10/23/2007 |
| 7195695 | Cross-linked cellulose fibers and method of making same The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of cellulosic fibers treated with a caustic solution under non-mercerizing conditions is cross-linked with a solution containing polymeric polycarboxylic acid cross-linking agents.... | 03/27/2007 |
| 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 |
| 7018031 | Porous substrate for ink delivery systems An ink absorbing substrate suitable for use in inkjet printing systems is provided. The substrate comprises at least one continuous fiber bonded to itself at points of contact to form a substantially self-sustaining structure for retaining ink. The continuous fiber ... | 03/28/2006 |
| 6946058 | Method and system for manufacturing tissue products, and products produced thereby A process and product of making a tissue product is provided. For example, the method can comprise (a) providing a first papermaking furnish containing refined softwood fibers; (b) providing a second papermaking furnish containing hardwood fibers; (c) incorporating ... | 09/20/2005 |
| 6896810 | Process for producing alkaline treated cellulosic fibers Systems and methods by which to subject cellulosic fibers to alkaline treatment are provided. The systems and methods of the invention include equipment, such as nanofiltration units and slurry concentrators, which result in a lowered overall consumption of alkaline... | 05/24/2005 |
| 6839945 | Moisture barrier fabric and methods of making same The invention relates to a method for preparing a moisture barrier fabric comprising needing the fabric in a direction substantially opposite to the advance direction of the fabric with barbed needles to increase the density of the fabric by entangling the fibers th... | 01/11/2005 |
| 6814759 | Stable zeolite/cellulose composite materials and method of preparation Stable cellulosic fiber material for use in forming zeolite/cellulose composites is prepared by suspending loose cellulose fibers in an aqueous solution of sodium hydroxide, potassium hydroxide or sodium silicate, stirring the resulting suspension until it reaches a... | 11/09/2004 |
| 6780201 | High wet resiliency curly cellulose fibers Curly cellulose fibers having a high wet resiliency and a method of making high wet resiliency curly cellulose fibers with a chemically-assisted curling method. Polymeric reactive compounds are used to provide intrafiber crosslinking in curly fibers, thereby chemica... | 08/24/2004 |
| 6488809 | Resin-treated mercerized fibers and products thereof This invention relates to the process of manufacture of resin treated mercerized cellulose fibers and fibrous products prepared therefrom and is directed particularly to a method of improving permeability and bulking properties and reducing water retentio... | 12/03/2002 |
| 6319288 | Formamidinesulfinic-acid compositions A blend is disclosed containing formamidinesulfinic acid, an scale-inhibiting agent that can be neutral or acidic, and/or finely divided silica having good flowability to be used for the purpose of reductive bleaching in the paper and textile industries, ... | 11/20/2001 |
| 6284348 | Ink-jet printing cloth, textile printing process and print Disclosed herein is an ink-jet printing cloth composed of cellulose fibers, wherein the specific gravity of the cloth in an absolute dry condition is controlled within a range of from 1.45 to 1.49 by mercerization.... | 09/04/2001 |
| 6245117 | Modifier of cellulose fibers and modification method of cellulose fibers A compound A expressed by the following chemical formula (wherein R denotes an organic group including a hydrocarbon group, an alkanolamine group, an aromatic group and/or a group including a polyoxyalkylene adduct; m denotes a positive integer of 0 to 3 ... | 06/12/2001 |
| 6203577 | Shrink-proof treatment of cellulosic fiber textile A method for shrink-proofing a cellulosic fiber textile that involves liquid ammonia treatment, hot water or alkali treatment under tension or under no tension, and with optional resin treatment.... | 03/20/2001 |
| 6042767 | Method of producing a cellulosic yarn In a process for manufacturing a cellulosic yarn by spinning of a solution of cellulose in a tertiary amine oxide, the solution possibly containing water and/or a stabilizer, to form fibers or filaments, coagulating, washing, and drying, the yarns are tre... | 03/28/2000 |
| 6042616 | Method for processing cellulose fiber-containing textile fabrics A method for finishing a cellulose fiber-containing textile fabric comprises treating a cellulose fiber-containing textile fabric with liquid ammonia, applying a resin finishing agent to said fabric, subjecting subsequently to either or both of a hot cale... | 03/28/2000 |
| 5910279 | Method for forming durable creases in cellulosic fiber textile Creases are formed in a cellulosic fiber textile by treating the fiber textile with liquid ammonia, creasing the fiber textile, and treating the fiber textile with hot water or alkaline solution substantially simultaneous with or subsequent to the creasin... | 06/08/1999 |
| 5882356 | Fibre treatment The fibrillation tendency of solvent-spun cellulose fiber is reduced by treating the previously dried fiber with a chemical reagent containing at least two functional groups which are reactive with cellulose and which are electrophilic carbon--carbon doub... | 03/16/1999 |
| 5858021 | Treatment process for cellulosic fibers Disclosed is a process for treating cellulosic fibers using an alkali metal hydroxide. The process first prepares the cellulosic fibers as a high consistency mixture with water and then adds an alkali metal hydroxide. The high consistency process is quite... | 01/12/1999 |
| 5837009 | Method for the production of quality cotton yarns involving a low-cost process, free of environmental pollution A method for cotton purification is described, where the cotton is subject to a purification process in water. The process solution contains calcium hydroxide and a non-ionic detergent wetting agent. Following this processing the cotton is rendered hydrop... | 11/17/1998 |
| 5779736 | Process for making fibrillated cellulose acetate staple fibers The present invention discloses a process for producing a fibrillated cellulose acetate fiber comprising contacting cellulose acetate fiber with a strong base solution at conditions sufficient to remove greater than about 5% of bulk acetyl groups from sai... | 07/14/1998 |
| 5752981 | Finishing of textile fibre materials Finishing agent for the finishing treatment of textile fiber materials of natural origin and/or of regenerated cellulose and/or of synthetic fibers, containing i) a fine-grained, inorganic abrasive, ii) an anionic or non-ionic, low-foaming wetting agent, ... | 05/19/1998 |
| 5709716 | Fibre treatment The color properties (i.e., the freedom from frosted ppearance, especially in dyed form) of lyocell fibre, in particular in fabric form, can be improved by mercerizing the fabric. The hand of the mercerized fabric can be softened to a marked degree by tre... | 01/20/1998 |
| 5709810 | Mercerization wetting agent compositions Described are mercerization wetting agent compositions comprising (a) a compound of the formula ##STR1## (b) a phosphoric ester of the formula ##STR2## The mercerization wetting agent compositions of the invention are notable for good wetting po... | 01/20/1998 |
| 5667865 | Terry fabric with increased rate of absorbency and method of forming same A terry fabric and method of forming a terry fabric are provided in which a ground fabric is formed of ground yarns while terry yarns are interlaced with the ground yarns to form terry loops with a height substantially greater than normal (a terry yarn le... | 09/16/1997 |
| 5538648 | Process for pretreating a textile material A process for improving the removal of undesired substances from a cellulosic textile material comprising i) treating the textile material with an aqueous solution comprising a) citric acid, b) an alkali metal or ammonium salt of a gluconic acid, and c) optionally ... | 07/23/1996 |
| 5494486 | Mercerization wetting composition Mercerization wetting compositions comprising a compound of the formula ##STR1## where R1 is hydroxyl or --SO3 M, R2 is C4 -C18 alkyl, M is an alkali metal, n is 0 or 1, and m is from 2 to 6 are described.... | 02/27/1996 |
| 5472665 | Process for treating compressed cellulose and applications thereof A method for removing impurities and potentially toxic substances from cellulose is disclosed. The method comprises the following steps: (a) immersing cellulose containing organic extractables in one or more acid baths so as to remove traces of organic ex... | 12/05/1995 |
| 5464547 | Mercerization wetting composition Mercerization wetting compositions comprising a compound of the formula ##STR1## where R1 is hydroxyl or --SO3 M, R2 is C4 -C18 alkyl, M is an alkali metal, n is 0 or 1, and m is from 2 to 6 are described.... | 11/07/1995 |
| 5372611 | Liquid alkali for reactive dyeing of textiles A liquid alkali composition for use in fiber reactive dyeing of cotton and cotton blended fabrics or the like. The liquid alkali is a water-based solution of an alkali metal hydroxide and an alkali metal silicate. Preferably the composition is an aqueous ... | 12/13/1994 |
| 5310424 | Process for reducing the fibrillation tendency of solvent-spun cellulose fibre A process is disclosed for providing a solvent-spun cellulose fiber with a reduced fibrillation tendency. The fiber is treated with a chemical reagent, preferably substantially colorless, having 2 to 6 functional groups reactive with cellulose, suitably d... | 05/10/1994 |
| 5196032 | Process for wet-on-wet mercerization and dyeing of cellulose material with reactive dyes 1. A process comprising a) a two liquor process for treating a cellulosic substrate with alkali and applying a dye to the substrate characterized by pad treating the substrate with alkali and dyeing by pad dyeing or printing with a reactive dyestuff witho... | 03/23/1993 |
| 5139530 | Post-crosslinking treatment of cellulosic materials for enhanced dyeability Anionically dyeable smooth-dry crosslinked cellulosic materials are produced by treatment of methylolamide crosslinked cellulosic materials with an alkali swelling agent such as sodium hydroxide prior to dyeing. Attainable color strength is dependent upon... | 08/18/1992 |
| 5049159 | Deodorizing material and process for producing the same: cellulose fibers treated with copper hydroxide or zinc hydroxide colloid solution This invention is concerned with a process for producing deodorizing cellulose fibers on which a considerable amount of copper hydroxide and/or zinc hydroxide is fixed highly strongly, which process is characterized in that cellulose fibers are allowed to... | 09/17/1991 |
| 5047064 | Method and composition for the alkali treatment of cellulosic substrates A method is provided for improving the dyeability and other properties of cellulosic materials, especially knitted cotton goods, wherein the material is impregnated with an aqueous liquor containing an effective amount of potassium hydroxide and preferabl... | 09/10/1991 |
| 5013327 | Mercerizing and/or causticizing wetting agent: 2-ethyl-hexyl-sulfate and mixture of alkyl end-blocked polyethers Mercerizing and/or causticizing wetting agent compositions containing alkali metal and/or ammonium salts of 2-ethyl hexyl sulfate, a mixture of terminally blocked polyethers and, optionally, trialkyl phosphates.... | 05/07/1991 |
| 4997934 | Cellulose aminomethanate by weight loss monitoring This invention relates to an improvement to a process for synthesizing cellulose aminomethanate wherein cellulose is steeped in an aqueous urea containing solution, dried to form an intimate mixture of cellulose and urea of known composition, and heated t... | 03/05/1991 |
