D01D 5/38
Formation of filaments, threads, or the like during polymerisation
D01D5/38 (Formation of filaments, threads, or the like during polymerisation) appears on 75 US grants and 115 published applications in this corpus.
Search patents in D01D- Granted patents
- 75
- Published applications
- 115
- Assignees
- 101
- Inventors
- 315
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 5 |
| 2009 | 0 | 2 |
| 2010 | 1 | 5 |
| 2011 | 3 | 5 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 4 | 6 |
| 2016 | 1 | 2 |
| 2017 | 2 | 6 |
| 2018 | 5 | 9 |
| 2019 | 3 | 7 |
| 2020 | 4 | 5 |
| 2021 | 4 | 11 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 6 | 11 |
| 2025 | 4 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing ultra-fine and uniform acrylamide-based polymer hydrogel filament and use thereof29 Sep 2026US 12,747,517 B2Beijing Taijieweiye Technology Co., Ltd
- Additive mixtures for rheology modification of polymers7 Apr 2026US 12,595,343 B2BASF SE
- Polymer strand and process for producing a polymer strand24 Feb 2026US 12,559,866 B23Dbiofibr Inc.
- Compositions incorporating silica fibers17 Feb 2026US 12,552,133 B2American Nano, LLC
- Method for manufacturing adhesion-preventing film23 Dec 2025US 12,502,244 B2Mepion Co., Ltd.
- Production of hydrogel fibres1 Oct 2026US 2026/0297812 A1Mosa Meat B.V.
- Configured depth capillary spinneret plate and filaments formed therefrom27 Aug 2026US 2026/0250884 A1Aladdin Manufacturing Corporation
- Process for preparing a microfiber composed of microalgae living inside, and related microfiber30 Jul 2026US 2026/0218421 A1Dew S.R.L.
- Additive mixtures for rheology modification of polymers2 Jul 2026US 2026/0184859 A1BASF SE
- Polymer strand and process for producing a polymer strand4 Jun 2026US 2026/0152877 A13Dbiofibr Inc.
Most cited
By later US patents
- Highly oriented aromatic polyamide short fiber39US 4,511,623 AKorea Advanced Institute of Science and Technology, 200-43 · 1985
- Layered aligned polymer structures and methods of making same39US 7,048,963 B2Cambridge Polymers Group, Inc. · 2006
- Process of fabricating nanofibers by reactive electrospinning35US 8,066,932 B2Board of Supervisors of Louisiana State Universtiy and Agricultural and Mechanical College, on behalf of The University of New Orleans · 2011
- Modified polylactic acid fibers26US 8,936,740 B2Kimberly-Clark Worldwide, Inc. · 2015
- Method for producing para-aramid pulp24US 5,028,372 AE. I. Du Pont de Nemours and Company · 1991