| Lenzing Aktiengesellschaft Patent applications |
| Patent application number | Title | Published |
|---|
| 20130149932 | COLORED FLAME RETARDANT SHAPED CELLULOSIC ARTICLE AND PRODUCTS PRODUCED FROM IT - The objective of this invention is to enable the production of colored shaped flame retardant cellulosic articles such as fibers and to use them to produce fabrics and similar items simply and at lower cost than if they were colored by dyeing after production. A product has been invented that is a fiber which is colored using an included pigment during its manufacture. | 06-13-2013 |
| 20130049244 | LYOCELL METHOD COMPRISING AN ADJUSTMENT OF THE PROCESSING DURATION BASED ON THE DEGREE OF POLYMERIZATION - The invention relates to a method and a device for producing Lyocell fibres which are extruded from a cellulose solution of water, cellulose and tertiary amine oxide in a spinning head ( | 02-28-2013 |
| 20120258643 | FLAME-RETARDANT LYOCELL FIBERS AND USE THEREOF IN FLAME BARRIERS - The present invention relates to flame-retardant Lyocell fibers which include incorporated inorganic additives which are particularly suited for use in flame barriers for articles of manufacture, such as mattresses and upholstered furniture applications. | 10-11-2012 |
| 20110212150 | PROCESS FOR THE TREATMENT OF CELLULOSIC MOLDED BONES - The present invention relates to a process for the treatment of a cellulosic molded body, wherein the molded body is contacted with an acid solution of a chitosan. The process according to the invention is characterized in that the chitosan has a deacetylation degree of at least 80%, a nitrogen content of at least 7 w %, preferably at least 7.5 w %, a weight average molecular weight M | 09-01-2011 |
| 20110200783 | CELLULOSIC STAPLE FIBER AND ITS USE - The present invention relates to the use of a multilobal cellulosic staple fiber as a filling fiber. Furthermore, the invention relates to a cellulosic staple fiber which is characterized in that | 08-18-2011 |
| 20110172624 | USE OF LYOCELL FIBERS AS WELL AS ARTICLES CONTAINING LYOCELL FIBERS - The invention relates to the use of non-modified Lyocell fibers, a yarn containing non-modified Lyocell fibers, a textile fabric containing non-modified Lyocell fibers or a textile article containing non-modified Lyocell fibers as a product for in particular dry wound care. | 07-14-2011 |
| 20110171865 | CELLULOSE FIBER AND PROCESS FOR THE PRODUCTION THEREOF - The invention concerns a cellulose fiber of the genus Lyocell which is treated with a cross-linking agent, with the cross-linking agent inducing a protection from fibrillation on the fiber and exhibiting the following properties:
| 07-14-2011 |
| 20110124258 | PROCESS FOR THE PRODUCTION OF A HYDROENTANGLED PRODUCT COMPRISING CELLULOSE FIBERS - The present invention relates to a process for the production of a hydroentangled product comprising cellulose fibers, wherein a Lyocell melt-blown web is subjected to a treatment by fine high-pressure jets of water, characterized in that
| 05-26-2011 |
| 20100281662 | Filling Fiber With Improved Opening Performance, Method For Its Production And Its Use - The present invention relates to a process for producing a cellulosic fiber, in particular a lyocell fiber which has improved opening characteristics and therefore is particularly useful for blending with feathers, in particular with down, to such a fiber fill fiber and to the use of this fiberfill fiber in mixtures for bedding and clothing. | 11-11-2010 |
| 20100248572 | Lyocell Fiber - The invention concerns a Lyocell fiber, containing a material selected from the group consisting of pearl powder, ground nacre and mixtures thereof. For the manufacture of the fiber according to the invention, a process is used comprising the steps of
| 09-30-2010 |
| 20100219547 | LYOCELL METHOD COMPRISING AN ADJUSTMENT OF THE PROCESSING DURATION BASED ON THE DEGREE OF POLYMERIZATION - The invention relates to a method and a device for producing Lyocell fibres which are extruded from a cellulose solution of water, cellulose and tertiary amine oxide in a spinning head ( | 09-02-2010 |
| 20100190891 | POLYEFIN COMPOSITIONS WITH HIGHLY CRYSTALLINE CELLULOSE REGENRATE FIBERS - The present invention relates to polyolefin compositions comprising man-made cellulose fibers of very high modulus to improve the mechanical performance of said compositions while retaining a low density. The present invention further relates to a melt mixing process with controlled shear intensity and energy input especially suitable for the production of said compositions. | 07-29-2010 |
| 20100190402 | PROCESS FOR THE PRODUCTION OF FLAME-RETARDANT VISCOSE FIBRES - The present invention relates to a process for the production in continuous of cellulose-based flame-retardant fibres or filaments and textile articles obtained therefrom, comprising the predispersion in water of an organophosphoric additive, the dosing and mixing of the aqueous predispersion in a solution of cellulose xanthogenate, the filtration of the mixed solutions and spinning in a regenerating and coagulation bath. | 07-29-2010 |
| 20100136307 | Insulating Material - The invention relates to an insulating material which comprises a first layer of an essentially non-hygroscopic fiber material and a second layer of an essentially hygroscopic fiber material, said first layer being located adjacent said first zone and said second layer being located adjacent said second zone. The insulating material is characterized in that said first and said second layer are made of a highloft nonwoven material with a density of from 5 to 125 kg/m | 06-03-2010 |
| 20100104867 | Cellulosic Staple Fiber and Its Use - The present invention relates to the use of a multilobal cellulosic staple fiber as a filling fiber. Furthermore, the invention relates to a cellulosic staple fiber which is characterized in that | 04-29-2010 |
| 20100065489 | BACKWASH FILTER - A backwash filter, in particular for highly viscous media, comprising a filter body ( | 03-18-2010 |
| 20100021975 | Process For Producing Xylo-Oligosaccharides - The invention relates to a process for producing xylo-oligosaccharides, comprising the steps of cold caustic extraction (CCE) of a pulp obtained by a cooking process; purifying at least a portion of the press liquor forming in the cold caustic extraction stage using a membrane separation process, preferably nano- or ultrafiltration; obtaining the xylans from at least a portion of the retentate of the membrane separation process; processing at least a portion of the xylans obtained into xylo-oligosaccharides. | 01-28-2010 |
| 20100021711 | Lyocell Staple Fiber - The present invention relates to Lyocell staple fiber consisting of a plurality of cut filaments, which is characterized in that at least part of said cut filaments exhibit an overall cross-sectional shape which is a bi- or multi-filar cross-sectional shape resulting from notionally partially overlapping two or more fiber cross-sectional shapes. | 01-28-2010 |
| 20090312731 | Nonwoven Melt-Blown Product - The present invention relates to a product selected from the group consisting of filter products, disposable absorbent products, wipe products and structural and/or reinforcement products characterized in that the product is made of or includes a nonwoven web made by a melt-blowing process employing a cellulose solution in N-methyl-morpholine (NMMO). | 12-17-2009 |
| 20090186189 | Hydroentangled Product Comprising Cellulose Fibers - The present invention relates to a process for the production of a hydroentangled product comprising cellulose fibers, which includes the steps of
| 07-23-2009 |
| 20090133446 | Wicking Fabric and Garment Made Therefrom - A moisture wicking fabric has one side comprised substantially entirely of inherently hydrophobic fibres such as polyester or polypropylene and the other side comprised of a mixture of hydrophobic fibres such as polyester or polypropylene and hydrophilic fibres, particularly cellulosic fibres such as cotton, lyocell and viscose rayon. A garment can be formed from such a moisture wicking fabric, for example by the whole garment knitting method, the side comprised of the mixture of fibres being the external side of the garment. | 05-28-2009 |
| 20080233821 | Cellulosic Molded Body, Method For Manufacturing It and Use Thereof - The present invention relates to a cellulosic molded body containing a cellulose/clay nanocomposite, wherein the clay component of said nanocomposite comprises a material selected from the group consisting of unmodified hectorite clays and hydrophilically modified hectorite clays. | 09-25-2008 |
