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| Number | Title | Issue Date |
| 7094448 | Spray pack Disclosed is a spray pack for use in forming a uniform, stable spray coating, comprising a spray container device and, packed therein, a spraying composition comprising a liquid dispersion medium and, dispersed therein, particulate cellulose having an average degree... | 08/22/2006 |
| 6924016 | Assembly system for stationing semiconductor wafer suitable for processing and process for manufacturing semiconductor wafer Disclosed is an assembly system for stationing a semiconductor wafer suitable for processing said wafer, said system comprising: (a) a holding block; (b) a semiconductor wafer; and (c) an aqueous adhesive composition interposed between the holding block and the semi... | 08/02/2005 |
| 6902804 | Lyocell multifilament The present invention relates to a high tenacity, high modulus and low shrinkage lyocell multifilament yarn suitable for use in tire cords and MRG (mechanical rubber goods). The lyocell multifilament yarn is a cellulose-based fiber for industrial applications, which... | 06/07/2005 |
| 6896725 | Aldehyde-containing polymers as wet strength additives The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl group per molecule, the ratio of aldehyde groups to carboxyl groups b... | 05/24/2005 |
| 6893492 | Nanocomposites of cellulose and clay This invention relates to a process of forming a nanocomposite of cellulose with a clay material that is used as the nanofiller material. The nanocomposites show significant improvements in thermal properties when compared to unbleached cotton and cotton processed u... | 05/17/2005 |
| 6812270 | Process of producing highly homogeneous cellulose solution Disclosed is a process of producing a highly homogeneous cellulose solution, in which a mixture of powdered cellulose with polyvinyl alcohol powder is fed in conjunction with concentrated liquid NMMO into a kneader or an extruder to produce the highly homogeneous ce... | 11/02/2004 |
| 6800127 | Pigment preparations The present invention relates to pigment preparations comprising polyamide particles with an average particle size of below 50 μm and a pigment of an average particle size below 0.2 μm. The inventive pigment preparations are useful for coloring high molecular weig... | 10/05/2004 |
| 6676739 | Method for producing a cellulose solution in an aqueous amine oxide, said solution having an increased thermal stability The invention relates to a method for producing a cellulose solution in an aqueous amine oxide, preferably N-methyl-morpholine-N-oxide, for processing to form cellulosed moulded bodies according to the Lyocell method, whereby said solution has an increase... | 01/13/2004 |
| 6488876 | Composition containing fine solid particles The invention relates to a composition intended to be admixed to a moldable solution of cellulose in an aqueous tertiary amine oxide, which composition consists of solid particles, a mixture of a tertiary amine oxide and water, in which the solid particles ... | 12/03/2002 |
| 6190596 | Process for producing cellulosic shaped objects A process for producing cellulosic shaped objects includes extruding and coagulating a solution of chemical wood pulp in a tertiary amine oxide, and possibly a liquid that does not dissolve wood pulp and is miscible with the tertiary amine oxide, the solu... | 02/20/2001 |
| 6174358 | Method for producing cellulose particles A method for producing cellulose particles whereby a cellulose solution is dispersed in a regenerant or nonsolvent and the cellulose is regenerated or precipitated in dispersed form into cellulose particles.... | 01/16/2001 |
| 6153003 | Process for preparing a homogeneous cellulose solution using N-methylmorpholine-N-oxide A simple method of preparing a homogeneous cellulose solution is disclosed, which comprises the steps of (a) preparing fibrillar cellulose powder; (b) injecting a molten liquid tertiary amine oxide solvent into a twin screw extruder; (c) feeding the cellu... | 11/28/2000 |
| 5993710 | Cellulosic molding process and cellulosic moldings The invention pertains to a process for manufacturing cellulose molded mers wherein a solution dissolved in amine oxides is shaped in a nozzle and the shaped solution is led after an air gap into a precipitation medium. The molded solution is passed succ... | 11/30/1999 |
| 5919412 | Cellulose fibre The invention is an amine-oxide process for the production of a cellulose moulded body, wherein a suspension of cellulose in an aqueous tertiary amine-oxide is converted into a cellulose solution which is moulded and passed through an aqueous precipitatio... | 07/06/1999 |
| 5895795 | Composition containing fine solid particles A composition is described containing fine solid particles held in an encapsulation or dispersed in a matrix and which are inert towards the encapsulation or the matrix, whereby the encapsulation or the matrix consists of a homogeneous mixture of cellulos... | 04/20/1999 |
| 5888288 | Forming solutions of cellulose in aqueous teritary amine oxide A method is described for forming a solution of cellulose in a tertiary amine oxide (such as N-methylmorpholine N-oxide) and a non-solvent for cellulose (such as water). The method involves the preparation of a mixture containing excess non-solvent, and r... | 03/30/1999 |
| 5795522 | Cellulose fibre This invention relates to a process for the production of a cellulose molded body according to the amine-oxide process, which results in a molded body having reduced and effectively controllable fibrillation properties.... | 08/18/1998 |
| 5795488 | Process for transporting a solution of cellulose in an aqueous tertiary amine-oxide The invention is concerned with a process for transporting a solution of cellulose in an aqueous tertiary amine-oxide through a component wherein said cellulose solution has different flow rates in said component, characterized in that an outlet wherethro... | 08/18/1998 |
| 5792399 | Formed shape made of regenerated cellulose and process for its production A molding, particularly a fiber or foil molding, of cellulose regenerated an amino-oxide process provides that the cellulose contains 0.02 to 30% mass of a polyalkylene imine derivative. In addition to improved stabilization of the molding compound, the ... | 08/11/1998 |
| 5766530 | Process for the production of cellulose moulded bodies The invention is concerned with a process for the production of cellulose moulded bodies wherein a suspension of cellulose in an aqueous solution of a tertiary amine-oxide is transformed into a mouldable solution, said solution being extruded by means of ... | 06/16/1998 |
| 5743949 | Stable aqueous wax dispersions The present invention relates to stable aqueous wax dispersions comprising A) 5 to 65% by weight of microized wax and B) 0.01 to 7% by weight of polymeric carbohydrate derivatives as dispersing agent. The waxes are amide, montan and polyethylene waxes, and particul... | 04/28/1998 |
| 5702515 | Stabilised solutions of polysaccharide The use together of (1) an aromatic compound containing a benzene ring bearing at least two substituents selected from the group consisting of hydroxy groups, primary amino groups and secondary amino groups and (2) a sulphur-containing compound containing... | 12/30/1997 |
| 5690874 | Fiber production process A method of forming a flame retardant cellulose fiber is disclosed which comprises the steps of producing lyocell fiber and incorporating a flame retardant chemical into the fiber while the fiber is in the never-dried condition prior to first drying.... | 11/25/1997 |
| 5656224 | Process for the production of a cellulose suspension The invention is concerned with a process for the production of a suspension of cellulose in a liquid, aqueous tertiary amine-oxide, wherein shredded cellulose is mixed with the liquid, aqueous tertiary amine-oxide, said process comprising: (A) contacting... | 08/12/1997 |
| 5653931 | Process for the production of cellulose moulded bodies The invention is concerned with a process for the production of cellulose moulded bodies, particularly films and fibres, by extruding a solution of cellulose in a tertiary amine-oxide through a shaping device, for example a spinneret, and conducting the e... | 08/05/1997 |
| 5597856 | Hot melt ink for transparency applications Phase change inks capable of passing light therethrough are suitable for color overhead transparencies, as well as plain paper printing. A composition for the ink carrier comprises an unsaturated bis-amide as a transparency enhancer, a low viscosity monoa... | 01/28/1997 |
| 5584919 | Pelletized pre-dope granules of cellulose and tertiary amine oxide, spinning solution, of cellulose and process for making them This specification discloses pelletized pre-dope granules of cellulose and a tertiary amine oxide wherein the tertiary amine oxide is homogeneously dispersed throughout the cellulose and a process for making them. According to the invention, the pelletize... | 12/17/1996 |
| 5417753 | Papermaking compositions, process using same, and paper produced therefrom A chemical composition for use in the papermaking process to produce a paper having enhanced characteristics of brightness, opaqueness, and sizing is provided. The process using the composition to make the paper and the paper made therefrom are also provi... | 05/23/1995 |
| 5409532 | Amine-oxides Amine-oxides of the general formula: ##STR1## wherein R1 and R2 are alkyl groups with 1 to 4 C-atoms, R3 is hydrogen, a hydroxyl group or an alkoxy group with 1 to 4 C-atoms and m and n are whole numbers which fulfil ... | 04/25/1995 |
| 5393334 | Papermaking compositions, process using same, and paper produced therefrom A chemical composition for use in the papermaking process to produce a paper having enhanced characteristics of brightness, opaqueness, and sizing is provided. The process using the composition to make the paper and the paper made therefrom are also provi... | 02/28/1995 |
| 5360586 | Biodegradable cellulosic material and process for making such material A process for making a shaped biodegradable cellulosic article from cellulose-containing material having a water content of less than about 50 percent by weight. The process includes forming a dry mix of the material, a bonding agent and an expander. The ... | 11/01/1994 |
| 5330567 | Process and arrangement for preparing a solution of cellulose There is disclosed a process for preparing solutions of cellulose in aqueous tertiary amine oxides from a suspension of cellulose in an aqueous solution of the tertiary amine oxide by supplying heat at a reduced pressure. The suspension is transported ove... | 07/19/1994 |
| 5296024 | Papermaking compositions, process using same, and paper produced therefrom A chemical composition for use in the papermaking process to produce a paper having enhanced characteristics of brightness, opaqueness, and sizing is provided. The process using the composition to make the paper and the paper made therefrom are also provi... | 03/22/1994 |
| 5292363 | Papermarking composition, process using same, and paper produced therefrom A chemical composition for use in the papermaking process to produce a paper having enhanced characteristics of brightness, opaqueness, and sizing is provided. The process using the composition to make the paper and the paper made therefrom are also provi... | 03/08/1994 |
| 5180614 | Supple sheet, resistant to tearing and bursting, with poor liquid-absorbing power and controlled porosity The supple sheet according to the invention, which is resistant to tearing and bursting, has a low water- or other liquid-absorbing power, controlled porosity and is printable, comprises: at least cellulosic fibers, optionally synthetic fibers, at least one bi... | 01/19/1993 |
| 5126146 | Cellulosic coating A microporous, cellulosic coating useful in combination with osmotically controlled drug delivery devices is disclosed. In one embodiment, this coating results from application to core tablets of a coating dispersion comprised of a synthetic latex formed ... | 06/30/1992 |
| 5102934 | Tertiary sulfonamide antioxidants Organic materials which are normallly susceptible to oxidative deterioration are stabilized with tertiary sulfonamide antioxidants corresponding to the formula: ##STR1## wherein R and R' are independently selected from alkyl, aryl, and benzyl gr... | 04/07/1992 |
| 5047197 | Cellulose derivative spinning solutions having improved processability and process Cellulose derivative spinning solutions are provided, having an improved flow rate at comparable cellulose derivative content and pressure drop across the spinning nozzle, or a higher cellulose derivative content at comparable flow rate, comprising a cell... | 09/10/1991 |
| 5026507 | Fluorescent whitening agents, products comprising the agent and method of use thereof A paper additive of high whiteness and low biological toxicity comprising a whitening amount of a compound of the formula ##STR1## wherein R is H or (C1 -C6)alkyl R' is independently H or (C1 -C6)alkyl, R" ... | 06/25/1991 |
| 4880469 | Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive The invention relates to solutions of cellulose destined to be extruded or spun, containing a tertiary amine oxide as solvent for the cellulose and in particular the N-oxide of N-methylmorpholine. It consists of using ammonium chloride or calcium chloride... | 11/14/1989 |
