D10B 2331/14
Polycondensates of cyclic compounds
Official title: polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
D10B2331/14 (Polycondensates of cyclic compounds) appears on 70 US grants and 93 published applications in this corpus.
Search patents in D10B- Granted patents
- 70
- Published applications
- 93
- Assignees
- 87
- Inventors
- 249
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 0 | 5 |
| 2016 | 5 | 8 |
| 2017 | 3 | 5 |
| 2018 | 3 | 7 |
| 2019 | 4 | 7 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 4 | 3 |
| 2023 | 1 | 7 |
| 2024 | 2 | 10 |
| 2025 | 6 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Garment treatment and method of application thereof25 Aug 2026US 12,716,170 B2Burlington Industries, Inc.
- Composite electrochromic material, and preparation method therefor and application thereof21 Jul 2026US 12,686,812 B2Nantong Textile & Silk Ind Tech Res Inst
- Assembly comprising a center-fluid distributor and a multi-fiber spinneret17 Mar 2026US 12,577,705 B2Gambro Lundia AB
- Flame resistant fabrics formed of long staple yarns and filament yarns3 Feb 2026US 12,540,424 B2Southern Mills, Inc.
- Enhanced flash evaporation/electrospinning composite spinning equipment21 Oct 2025US 12,448,709 B2Shanghai Xunjiang Technology Co., Ltd.
- Organic fiber fabric and uses of the same8 Oct 2026US 2026/0308839 A1
- Polyimide fibre paper1 Oct 2026US 2026/0297851 A1Dupont Electronics, Inc.
- Reinforced ion-conducting membrane7 May 2026US 2026/0128341 A1Johnson Matthey Hydrogen Technologies Limited
- Preparation of ultrafine polyimide nanofiber membrane at high voltage and use of membrane in high-temperature filtration2 Apr 2026US 2026/0092402 A1University of South China
- Method of Spinning Conductive Poly(3,4-Ethylenedioxythiophene): Polystyrene Sulfonate Fibers15 Jan 2026US 2026/0015771 A1University of Kentucky Research Foundation
Most cited
By later US patents
- Firefighter's garment65US 5,928,971 ASouthern Mills, Inc. · 1999
- Weavable metal matrix impregnated tow composite material58US 6,074,716 AMcDonnell Douglas Corporation · 2000
- Flame retardant yard blend56US 4,865,906 A1989
- Textile material for outer shell of firefighter garment43US 5,299,602 A1994
- Textile material for inner lining of firefighter protective garment41US 5,323,815 AMarcanada Inc. · 1994