D01F 2/08
Composition of the spinning solution or the bath
D01F2/08 (Composition of the spinning solution or the bath) appears on 145 US grants and 119 published applications in this corpus.
Search patents in D01F- Granted patents
- 145
- Published applications
- 119
- Assignees
- 112
- Inventors
- 392
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 1 |
| 2003 | 6 | 3 |
| 2004 | 4 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 5 |
| 2010 | 3 | 2 |
| 2011 | 1 | 5 |
| 2012 | 3 | 6 |
| 2013 | 2 | 8 |
| 2014 | 3 | 8 |
| 2015 | 4 | 4 |
| 2016 | 1 | 4 |
| 2017 | 1 | 8 |
| 2018 | 4 | 5 |
| 2019 | 6 | 7 |
| 2020 | 7 | 9 |
| 2021 | 5 | 5 |
| 2022 | 5 | 5 |
| 2023 | 3 | 7 |
| 2024 | 9 | 4 |
| 2025 | 3 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01F 2/10Addition to the spinning solution or spinning bath of substances which exert59
- D01F 2/12Addition of delustering agents to the spinning solution8
- D01F 2/16Addition of dyes to the spinning solution4
- D01F 2/20For the manufacture of hollow threads2
- D01F 2/18Addition to the spinning solution of substances to influence ripening1
Recent patents
- Flame-retardant and windproof wadding and preparation method thereof19 May 2026US 12,630,946 B2Beijing Jinlun Ward Technology Co., Ltd
- Method for providing a filtered spinning dope12 May 2026US 12,624,477 B2Treetotextile AB
- Textile recycling23 Dec 2025US 12,503,799 B2Apani Systems Inc.
- Fruit extract leather and preparation method thereof5 Aug 2025US 12,378,723 B2
- Lyocell fiber with viscose like properties18 Feb 2025US 12,227,886 B2Lenzing Aktiengesellschaft
- Compound phosphorus-nitrogen flame retardant, flame-retardant regenerated cellulose fiber, and preparation method23 Jul 2026US 2026/0209996 A1China Textile Academy
- Method for improving surface structure of regenerated cellulose fiber11 Jun 2026US 2026/0160022 A1Qilu University of Technology (Sdas)
- Viscose-based biofiber containing active antioxidant component and preparation method thereof16 Apr 2026US 2026/0103826 A1Byherb Fiber Inc.
- Composite lithium iron phosphate material, lithium ion battery using same, and preparation method of same19 Jun 2025US 2025/0197220 A1Eve Power Co., Ltd.
- Production of fabric with enhanced thermoregulation properties1 May 2025US 2025/0137171 A1HyperNatural Corp.
Most cited
By later US patents
- Regenerated cellulose fibers containing alkali metal or ammonium salt of a copolymer of an alkyl vinyl ether and ethylene dicarboxylic acid or anhydride and a process for making them51US 4,165,743 AAkzona Incorporated · 1979
- UV-active regenerated cellulose fiber40US 5,770,110 AHoechst Aktiengesellschaft · 1998
- Non-woven fabric with wick action38US 4,413,032 A1983
- Fluid absorbent cellulose fibers containing alkaline salts of polymers of acrylic acid, methacrylic acid or an acryloamidoalkane sulfonic acid with aliphatic esters of acrylic acid or methacrylic acid37US 4,104,214 AAkzona Incorporated · 1978
- Multi-limbed regenerated cellulose filaments37US 4,129,679 ACourtaulds Limited · 1978