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 2/02: Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases, or salts
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12251101 | Surgical nano-biothread made from cellulose fiber | Jun 06, 24 | Mar 18, 25 | IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY |
| 12247321 | Process for the preparation of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process | Jan 18, 23 | Mar 11, 25 | Technikum Laubholz GmbH |
| 12139819 | Wet spun fibers, wet formed film, and production method therefor | Sep 30, 19 | Nov 12, 24 | National University Corporation Okayama University |
| 12129574 | Regenerated cellulose composite fiber and method of preparation thereof | Sep 30, 21 | Oct 29, 24 | THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITED |
| 12098481 | Cellulosic fiber processing | Oct 04, 19 | Sep 24, 24 | North Carolina State University |
| 12091469 | Method and system for the production of a spinning dope composition | Jul 26, 23 | Sep 17, 24 | TREETOTEXTILE AB |
| 11873580 | Process for liquid removal from cellulose filaments yarns or fibers | Dec 20, 19 | Jan 16, 24 | Chemiefaser Lenzing Aktiengesellschaft |
| 11828005 | Method of producing a chemical pulp from a textile material which comprises cellulose and a molded body from the chemical pulp | Dec 02, 22 | Nov 28, 23 | Lenzing Aktiengesellschaft |
| 11753482 | System for the production of a spinning dope composition | Jun 13, 21 | Sep 12, 23 | TREETOTEXTILE AB |
| 11713528 | Textile recycling | Aug 31, 22 | Aug 01, 23 | Apani Systems Inc. |
| 11685096 | Method for manufacturing fibrous yarn | Sep 11, 20 | Jun 27, 23 | SPINNOVA OY |
| 11585015 | Process for the preparation of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process | Feb 01, 17 | Feb 21, 23 | Deutsche Institute fur Textil-und Faserforschung Denkendorf Stiftung Des Oeffentlichen Rechts |
| 11555259 | Polymer compositions, fibers and threads with petrolatum and/or oleic acid-containing oils | Sep 09, 16 | Jan 17, 23 | BAUERFEIND AG |
| 11519101 | Functionalization of foreign material in lyocell-methods | Jan 14, 19 | Dec 06, 22 | Chemiefaser Lenzing Aktiengesellschaft |
| 11519100 | Reusing of lyocell-cellulose for lyocell-methods | Jan 14, 19 | Dec 06, 22 | Chemiefaser Lenzing Aktiengesellschaft |
| 11519104 | Method of reusing a textile material which comprises cellulose | Jan 14, 19 | Dec 06, 22 | Chemiefaser Lenzing Aktiengesellschaft |
| 11492737 | Method for dissolving lignocellulosic biomass | Aug 19, 21 | Nov 08, 22 | UNITED ARAB EMIRATES UNIVERSITY |
| 11414786 | Cellulose filament process | Oct 08, 18 | Aug 16, 22 | Chemiefaser Lenzing Aktiengesellschaft |
| 11414789 | Cellulose fibers | Dec 05, 17 | Aug 16, 22 | RE:NEWCELL AB |
| 11299556 | Method for the production of a spinning dope composition | Apr 12, 17 | Apr 12, 22 | TREETOTEXTILE AB |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0084,566 | METHOD FOR PRODUCING REGENERATED CELLULOSIC FIBERS | Jul 22, 22 | Mar 13, 25 | Not available |
| 2025/0051,972 | Cellulosic textile fibre | Jan 05, 23 | Feb 13, 25 | Not available |
| 2025/0051,974 | Cellulosic textile fibre | Jan 05, 23 | Feb 13, 25 | Not available |
| 2025/0051,971 | A HIGH TENACITY REGENERATED CELLULOSIC FIBER | Jan 11, 22 | Feb 13, 25 | GRASIM INDUSTRIES LIMITED; NANOLLOSE LIMITED; |
| 2025/0034,757 | PROCESS FOR FABRICATION OF REGENERATED CELLULOSE YARNS DERIVED FROM RECYCLED WASTE FEEDSTOCKS | Dec 01, 22 | Jan 30, 25 | HeiQ Materials AG; Technikum Laubholz GmbH; |
| 2024/0352,626 | IMPROVEMENTS RELATING TO THE COLD-ALKALI PROCESS FOR THE PRODUCTION OF REGENERATED CELLULOSIC FIBERS | Jul 22, 22 | Oct 24, 24 | Not available |
| 2024/0309,559 | A METHOD FOR PROVIDING A FILTERED SPINNING DOPE | Jul 08, 22 | Sep 19, 24 | Not available |
| 2024/0309,558 | PROCESSING FOR SPINNING ALKALINE CELLULOSE SPIN DOPE | Jul 04, 22 | Sep 19, 24 | Not available |
| 2024/0229,303 | IMPROVEMENTS RELATING TO THE COLD-ALKALI PROCESS FOR THE PRODUCTION OF REGENERATED CELLULOSIC FIBERS | Jul 22, 22 | Jul 11, 24 | Not available |
| 2024/0218,566 | UV-SENSITIVE MAN-MADE CELLULOSE TEXTILE FIBER | Apr 27, 22 | Jul 04, 24 | Not available |
| 2023/0203,717 | Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process | May 19, 20 | Jun 29, 23 | Not available |
| 2023/0183,887 | CELLULOSE FIBER, FIBER REINFORCED RESIN COMPOSITION, METHOD FOR PRODUCING CELLULOSE FIBER, AND METHOD FOR PRODUCING FIBER REINFORCED RESIN COMPOSITION | May 25, 21 | Jun 15, 23 | Mitsubishi Gas Chemical Company Inc. |
| 2023/0147,314 | A METHOD OF PREPARING DOPE DYED LYOCELL FIBRE | Feb 18, 21 | May 11, 23 | Not available |
| 2022/0251,734 | CARBON NANOTUBE-CONTAINING CELLULOSE FIBER AND METHOD FOR PRODUCING THE SAME | Jul 16, 20 | Aug 11, 22 | Not available |
| 2022/0033,529 | REGENERATED CELLULOSIC FIBRES SPUN FROM AN AQUEOUS ALKALINE SPINDOPE | Oct 18, 21 | Feb 03, 22 | Not available |
| 2020/0149,192 | FLAME RETARDANT CELLULOSIC MAN-MADE FIBERS | Jan 17, 20 | May 14, 20 | Not available |
| 2020/0095,707 | PREPARATION METHOD OF FIBER | Nov 24, 19 | Mar 26, 20 | TAIWAN TEXTILE RESEARCH INSTITUTE |
| 2020/0063,293 | CELLULOSE FIBERS | Dec 05, 17 | Feb 27, 20 | Not available |
| 2019/0345,641 | LYOCELL FIBER, NONWOVEN FIBROUS AGGREGATE CONTAINING THE SAME, AND A MASK PACK SHEET CONTAINING THE SAME | Dec 29, 17 | Nov 14, 19 | Kolon Industries Inc. |
| 2019/0153,625 | Process for the production of shaped cellulose articles | Jan 30, 19 | May 23, 19 | Not available |
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