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| Number | Title | Issue Date |
| 6197230 | Process for the preparation of a mixture of cellulosic fibers and microfibers The present invention relates to a process for the preparation of a mixture of cellulosic fibers and microfibers. Said process comprises: the preparation of a cellulosic solution (C); the extrusion of said solution (C) through the hole or holes of a die (1); the di... | 03/06/2001 |
| 6136432 | Sewing thread, articles sewn therewith, and dyeing of such articles A sewing thread consists of from 70 to 95 percent by weight of lyocell fibre and from 5 to 30 percent by weight of at least one synthetic fibre such as polyester or polyamide. The sewing thread can be used for sewing garments, particularly those comprisin... | 10/24/2000 |
| 6093355 | Manufacture of extruded articles Use in the manufacture of extruded lyocell articles of cellulose having a value of Pipe Flow Index (as defined) to Jet Flow Index (as defined) in the range from 0.85 to 6 can offer a number of advantages, particularly in cellulose solution transport and i... | 07/25/2000 |
| 6075177 | Wound dressing A wound dressing has its wound-contacting surface composed of a tow or strand of textile filaments at least 15 mm long or a fabric of textile filaments at least 3 mm long, substantially all of the filaments being non-crosslinked carboxymethylcellulose fil... | 06/13/2000 |
| 6042769 | Lyocell fibre and a process for its manufacture The fibrillation tendency of solvent-spun fiber can be increased by subjecting the fiber to a treatment which reduces its degree of polymerisation by about 200 units or more. Suitable methods of treatment include severe bleaching, for example application ... | 03/28/2000 |
| 5951932 | Process of making cellulose filaments A method of producing lyocell fibers by spinning a solution of cellulose in an organic solvent through an air gap and into a spin bath in which there is provided a cross-draught of air in the air gap.... | 09/14/1999 |
| 5939000 | Process of making cellulose filaments A method of producing lyocell fibres by spinning a solution of cellulose in an organic solvent through an air gap and into a spin bath in which there is provided a cross-draught of air in the air gap.... | 08/17/1999 |
| 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 |
