D01D 1/02
Preparation of spinning solutions
D01D1/02 (Preparation of spinning solutions) appears on 357 US grants and 585 published applications in this corpus.
Search patents in D01D- Granted patents
- 357
- Published applications
- 585
- Assignees
- 404
- Inventors
- 1,581
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 4 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 4 |
| 2008 | 1 | 12 |
| 2009 | 5 | 5 |
| 2010 | 2 | 11 |
| 2011 | 2 | 5 |
| 2012 | 8 | 13 |
| 2013 | 8 | 9 |
| 2014 | 6 | 20 |
| 2015 | 11 | 14 |
| 2016 | 5 | 30 |
| 2017 | 16 | 37 |
| 2018 | 21 | 35 |
| 2019 | 23 | 36 |
| 2020 | 26 | 51 |
| 2021 | 25 | 37 |
| 2022 | 25 | 58 |
| 2023 | 33 | 55 |
| 2024 | 44 | 53 |
| 2025 | 38 | 54 |
| 2026 | 26 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thin-layer treatment device15 Sep 2026US 12,734,463 B2Aurotec GmbH
- Method and device for preparing modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning1 Sep 2026US 12,723,329 B2Zhuzhou Times New Material Technology Co., Ltd.
- High-entropy carbide ceramic and rare earth-containing high-entropy carbide ceramic, fibers and precursors thereof, and methods for preparing the same11 Aug 2026US 12,703,667 B2Institute of Chemistry, Chinese Academy of Sciences
- Encapsulant-containing polymer capsules and fibers and composites including same14 Jul 2026US 12,680,196 B2Arizona Board of Regents on behalf of Arizona State University
- Preparation method of collagen fiber, collagen fiber, and application of collagen fiber9 Jun 2026US 12,649,981 B2Zhejiang Heuristic New Material Technology Limited-Liability Company
- Encapsulant-containing polymer capsules and fibers and composites including same8 Oct 2026US 2026/0308808 A1Arizona Board of Regents on behalf of Arizona State University
- Method, Apparatus and Composition for Fibre Deposition8 Oct 2026US 2026/0308810 A1Cambridge Enterprise Limited
- Roll-to-roll processing of hierarchically porous acrylic fibers through guided spinodal decomposition8 Oct 2026US 2026/0308812 A1
- System and method for manufacture of collagen fibers17 Sep 2026US 2026/0275579 A1Embody, Inc.
- Flash evaporation material with low haze attenuation rate17 Sep 2026US 2026/0275599 A1Kingwills Advanced Materials Co. Ltd.
Most cited
By later US patents
- Lyocell film made from cellulose having low degree of polymerization values80US 6,440,547 B1Weyerhaeuser Company · 2002
- Lyocell fibers, and compositions for making the same77US 6,471,727 B2Weyerhaeuser Company · 2002
- Process for making lyocell fibers from pulp having low average degree of polymerization values72US 6,706,237 B2Weyerhaeuser Company · 2004
- Lyocell fibers produced from kraft pulp having low average degree of polymerization values69US 6,444,314 B1Weyerhaeuser Company · 2002
- Molded bodies made from compositions having low degree of polymerization values69US 6,514,613 B2Weyerhaeuser Company · 2003