D21H 13/24
Polyesters
D21H13/24 (Polyesters) appears on 230 US grants and 230 published applications in this corpus.
Search patents in D21H- Granted patents
- 230
- Published applications
- 230
- Assignees
- 170
- Inventors
- 645
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 2 |
| 2002 | 8 | 9 |
| 2003 | 5 | 12 |
| 2004 | 5 | 5 |
| 2005 | 5 | 8 |
| 2006 | 1 | 2 |
| 2007 | 1 | 15 |
| 2008 | 1 | 7 |
| 2009 | 1 | 2 |
| 2010 | 7 | 11 |
| 2011 | 3 | 8 |
| 2012 | 6 | 12 |
| 2013 | 6 | 16 |
| 2014 | 10 | 10 |
| 2015 | 4 | 16 |
| 2016 | 5 | 6 |
| 2017 | 7 | 9 |
| 2018 | 5 | 6 |
| 2019 | 8 | 9 |
| 2020 | 6 | 14 |
| 2021 | 3 | 10 |
| 2022 | 9 | 10 |
| 2023 | 6 | 14 |
| 2024 | 8 | 9 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Porous body and method for manufacturing porous body17 Feb 2026US 12,552,990 B2Murata Manufacturing Co., Ltd.
- Carpet tile with wet laid dual layer nonwoven mat3 Jun 2025US 12,320,064 B2Johns Manville
- Ply fibrous product20 May 2025US 12,305,336 B2Essity Hygiene and Health Aktiebolag
- Molded ceiling material for vehicle and production method therefor12 Nov 2024US 12,138,901 B2Sanwa Kogyo Co., Ltd.
- Heat resistant paper-feel overprint varnishes8 Oct 2024US 12,110,417 B2Sun Chemical Corporation
- Keratin material16 Jul 2026US 2026/0201146 A1Wool Research Organisation of New Zealand, Inc.
- Method for consolidating a fibrous material with a bio-based binder polymer, a consolidated fibrous material and an aqueous binder solution16 Jul 2026US 2026/0201618 A1Essity Hygiene and Health Aktiebolag
- Packaging material and a pouched product for oral use16 Apr 2026US 2026/0103846 A1Swedish Match North Europe AB
- Fiber paper and preparation method therefor16 Oct 2025US 2025/0320662 A1Ningxia Qingyan Polymer Materials Co., Ltd.
- Dual layer wet laid nonwoven mat21 Aug 2025US 2025/0263888 A1Johns Manville
Most cited
By later US patents
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Dispersible nonwoven fabric and method of making same166US 5,935,880 A1999
- Filtration structures of wet laid, bicomponent fiber148US 5,580,459 AHoechst Celanese Corporation · 1996
- Cloth-like base sheet and method for making the same144US 6,315,864 B2Kimberly-Clark Worldwide, Inc. · 2001
- Cellulose-Based medical packaging material sterilizable by oxidizing gas plasma127US 6,156,677 AKimberly-Clark Worldwide, Inc. · 2000