Class D01F : CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
Subclass 1/08: General methods for the manufacture of artificial filaments or the like Addition of substances to the spinning solution or to the melt (addition of substances to viscose D01F 2/08) for forming hollow filaments
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12220664 | Perfusion filtration system | Aug 25, 23 | Feb 11, 25 | WaterSep BioSeparations LLC |
| 12151434 | Non-solid core filament for 3-D printing | Dec 27, 18 | Nov 26, 24 | Arkema, Inc. |
| 12031236 | Device for polymer materials fabrication using gas flow and electrostatic fields | May 30, 20 | Jul 09, 24 | Montana Technological University |
| 11850555 | Dual-layer membrane and method for preparing same | Mar 31, 21 | Dec 26, 23 | NANJING TECH UNIVERSITY |
| 11766640 | Method for preparing block copolymer hollow fiber membrane by melt spinning-stretching and selective swelling | Mar 23, 22 | Sep 26, 23 | NANJING TECH UNIVERSITY |
| 11767615 | Hollow porous fibers | Sep 21, 21 | Sep 26, 23 | Kimberly Clark Worldwide Inc. |
| 11724002 | Technique for forming porous fibers | Jan 19, 18 | Aug 15, 23 | Kimberly Clark Worldwide Inc. |
| 11389570 | High strength biomedical materials | Sep 27, 19 | Jul 19, 22 | Access Vascular, Inc. |
| 11220762 | Multi-angle spinneret with upper and lower body structure | Aug 30, 21 | Jan 11, 22 | King Abdulaziz University |
| 11220761 | Multi-angle spinneret for forming hollow fiber | Aug 30, 21 | Jan 11, 22 | King Abdulaziz University |
| 11203819 | Method of forming polymer hollow fiber | Aug 30, 21 | Dec 21, 21 | King Abdulaziz University |
| 11186927 | Hollow porous fibers | Dec 11, 14 | Nov 30, 21 | Kimberly Clark Worldwide Inc. |
| 11155688 | Polyolefin material having a low density | Jun 06, 14 | Oct 26, 21 | Kimberly Clark Worldwide Inc. |
| 11155935 | Method for forming porous fibers | Dec 09, 16 | Oct 26, 21 | Kimberly Clark Worldwide Inc. |
| 11142849 | Method of forming hollow fiber using multi-angle spinneret | Mar 11, 21 | Oct 12, 21 | King Abdulaziz University |
| 11028246 | Absorbent article containing a porous polyolefin film | Jun 06, 14 | Jun 08, 21 | Kimberly-Clark, Inc. |
| 11001944 | Porous polyolefin fibers | Jun 06, 14 | May 11, 21 | Kimberly Clark Worldwide Inc. |
| 10806209 | Composite soles | Jan 03, 18 | Oct 20, 20 | Under Armour, Inc. |
| 10752745 | Polyolefin film for use in packaging | Jun 06, 14 | Aug 25, 20 | Kimberly Clark Worldwide Inc. |
| 10744467 | Hollow fiber membrane, and method for producing hollow fiber membrane | Feb 26, 15 | Aug 18, 20 | Kuraray Co. Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0027,231 | JET ASSISTED WET SPINNING OF PHOTOPOLYMERIZABLE MATERIAL | Jul 12, 24 | Jan 23, 25 | The Trustees of Princeton University |
| 2024/0035,213 | MULTI-LAYER MELTBLOWN NON-WOVEN FABRIC AND PREPARATION METHOD THEREOF | May 03, 22 | Feb 01, 24 | Not available |
| 2020/0141,029 | REDUCED DENSITY SYNTHETIC FIBER UTILIZING HOLLOW MICROCAPSULES | Nov 13, 18 | May 07, 20 | Primaloft, Inc. |
| 2020/0071,853 | TUFTED CARPET INCLUDING POLYETHYLENETEREPHTHALATE BULKED CONTINUOUS FILAMENT | Nov 24, 18 | Mar 05, 20 | Not available |
| 2018/0291,530 | Multi-Stage Drawing Technique for Forming Porous Fibers | Dec 09, 16 | Oct 11, 18 | Not available |
| 2015/0056,471 | ORDERED POROUS NANOFIBERS, METHODS, AND APPLICATIONS | Feb 14, 13 | Feb 26, 15 | CORNELL UNIVERSITY |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
