D10B 2321/10
Polymers of unsaturated nitriles
Official title: polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
D10B2321/10 (Polymers of unsaturated nitriles) appears on 261 US grants and 390 published applications in this corpus.
Search patents in D10B- Granted patents
- 261
- Published applications
- 390
- Assignees
- 223
- Inventors
- 782
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 5 |
| 2003 | 6 | 9 |
| 2004 | 7 | 12 |
| 2005 | 3 | 22 |
| 2006 | 6 | 5 |
| 2007 | 2 | 16 |
| 2008 | 6 | 16 |
| 2009 | 6 | 12 |
| 2010 | 9 | 9 |
| 2011 | 9 | 19 |
| 2012 | 6 | 6 |
| 2013 | 4 | 8 |
| 2014 | 8 | 9 |
| 2015 | 5 | 15 |
| 2016 | 8 | 11 |
| 2017 | 10 | 13 |
| 2018 | 7 | 36 |
| 2019 | 11 | 19 |
| 2020 | 14 | 14 |
| 2021 | 10 | 19 |
| 2022 | 11 | 23 |
| 2023 | 10 | 23 |
| 2024 | 14 | 26 |
| 2025 | 19 | 22 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrospinning alignment apparatus21 Jul 2026US 12,686,952 B2Idklab Inc.
- Multi-material polymer filament for three-dimensional printing14 Jul 2026US 12,680,199 B2The United States of America as represented by the Secretary of the Army
- Ultraviolet blocking acrylic fibers, ultraviolet blocking fabric and fiber product containing the same, and method for manufacturing the same23 Jun 2026US 12,662,756 B2Kaneka Corporation
- Spinneret housing for use in the manufacture of polymer fibers, and method of use thereof2 Jun 2026US 12,644,204 B2Cytec Industries Inc.
- Flame-resistant elastic plaited fabric12 May 2026US 12,624,481 B1Coville, Inc.
- Roll-to-roll processing of hierarchically porous acrylic fibers through guided spinodal decomposition8 Oct 2026US 2026/0308812 A1
- Metal-carbon nanofiber composite electrodes for high performance lithium-ion and lead-acid batteries8 Oct 2026US 2026/0311992 A1The Curators of the University of Missouri
- Method of making polyacrylonitrile based carbon fibers and polyacrylonitrile based carbon fiber fabric24 Sep 2026US 2026/0286576 A1University of Kentucky Research Foundation
- Article including blown microfibers and fire barrier particles and related processes24 Sep 2026US 2026/0286585 A13M Innovative Properties Company
- Production method for carbon fiber precursor fibers3 Sep 2026US 2026/0258580 A1Teijin Limited
Most cited
By later US patents
- Oriented woven furniture support material102US 4,469,739 AE. I. Du Pont de Nemours and Company · 1984
- Electrically conductive tapes and processes90US 5,763,069 AAmoco Corporation · 1998
- Illuminating textile article75US 8,282,232 B2Fu-biau Hsu · 2012
- Silt control fabric71US 5,108,224 AAmoco Corporation · 1992
- Fabric structure for fiber reinforced plastics68US 4,320,160 AToray Industries, Inc. · 1982