B29K 2033/20
Pan, i.e. polyacrylonitrile
Official title: PAN, i.e. polyacrylonitrile
B29K2033/20 (Pan, i.e. polyacrylonitrile) appears on 86 US grants and 107 published applications in this corpus.
Search patents in B29K- Granted patents
- 86
- Published applications
- 107
- Assignees
- 90
- Inventors
- 243
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 2 |
| 2003 | 0 | 3 |
| 2004 | 2 | 6 |
| 2005 | 3 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 4 |
| 2011 | 4 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 7 |
| 2016 | 2 | 12 |
| 2017 | 5 | 8 |
| 2018 | 5 | 4 |
| 2019 | 7 | 7 |
| 2020 | 5 | 8 |
| 2021 | 3 | 4 |
| 2022 | 4 | 3 |
| 2023 | 5 | 5 |
| 2024 | 4 | 4 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing moulded articles from carbon or graphite by 3D printing21 Apr 2026US 12,606,490 B2Nippon Kornmeyer Carbon Group GmbH
- Laminate having microstructured substrate and method for producing the laminate10 Mar 2026US 12,571,940 B2Essilor International
- Master batch for expansion molding and foam molded body20 Jan 2026US 12,528,919 B2Sekisui Chemical Co., Ltd.
- Composite positive and negative Poisson's ratio tissue adhesives8 Jul 2025US 12,350,396 B2
- Three-dimensional object additive manufacturing method and device, storage medium, and computer apparatus25 Mar 2025US 12,257,771 B2Zhuhai Sailner 3D Technology Co., Ltd.
- Heat-expandable microspheres and use thereof13 Aug 2026US 2026/0233442 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Composite positive and negative poisson’s ratio tissue adhesives9 Oct 2025US 2025/0312511 A1
- Silicon-dominant battery electrodes11 Sep 2025US 2025/0286048 A1Enevate Corporation
- Articles of manufacture produced from highly thermoformable acrylic solid surface with matte surface31 Oct 2024US 2024/0360305 A1Trinseo Europe GmbH
- Carbon fiber crystal orientation improvement by polymer modification, fiber stretching and oxidation for brake application17 Oct 2024US 2024/0344578 A1Goodrich Corporation
Most cited
By later US patents
- Elastomeric cushioning devices for products and objects188US 4,287,250 A1981
- Process for joining different kinds of synthetic resins72US 4,636,609 AToyota Jidosha Kabushiki Kaisha · 1987
- Preform with internal barrier and internal layer of high thermal stability and products made from the same71US 4,550,043 AContinental Plastic Containers, Inc. · 1985
- Tube-in-tube balloon67US 8,168,275 B2Boston Scientific Scimed, Inc. · 2012
- Process for recycling plastic container scrap59US 4,379,525 AOwens-Illinois, Inc. · 1983