D04H 1/4326
Condensation or reaction polymers
D04H1/4326 (Condensation or reaction polymers) appears on 1,027 US grants and 1,429 published applications in this corpus.
Search patents in D04H- Granted patents
- 1,027
- Published applications
- 1,429
- Assignees
- 719
- Inventors
- 3,503
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 17 | 0 |
| 1989 | 19 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 17 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 19 | 0 |
| 1996 | 26 | 0 |
| 1997 | 30 | 0 |
| 1998 | 32 | 0 |
| 1999 | 29 | 0 |
| 2000 | 31 | 0 |
| 2001 | 27 | 10 |
| 2002 | 16 | 28 |
| 2003 | 22 | 56 |
| 2004 | 29 | 48 |
| 2005 | 10 | 41 |
| 2006 | 10 | 50 |
| 2007 | 15 | 43 |
| 2008 | 7 | 34 |
| 2009 | 6 | 33 |
| 2010 | 22 | 49 |
| 2011 | 18 | 49 |
| 2012 | 34 | 37 |
| 2013 | 28 | 47 |
| 2014 | 26 | 42 |
| 2015 | 18 | 59 |
| 2016 | 29 | 42 |
| 2017 | 22 | 49 |
| 2018 | 21 | 59 |
| 2019 | 29 | 59 |
| 2020 | 32 | 86 |
| 2021 | 39 | 60 |
| 2022 | 43 | 94 |
| 2023 | 40 | 85 |
| 2024 | 47 | 106 |
| 2025 | 42 | 84 |
| 2026 | 45 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Artificial leather and method for manufacturing the same22 Sep 2026US 12,742,285 B2Toray Industries, Inc.
- Breathable and waterproof cloth and manufacturing method thereof15 Sep 2026US 12,734,783 B2Taiwan Textile Research Institute
- Nonwoven fibrous web15 Sep 2026US 12,735,836 B23M Innovative Properties Company
- Layered composite articles and methods of making same8 Sep 2026US 12,728,621 B2Columbia Insurance Company
- Melt-blown nonwoven fabric, method of producing the same, layered body, filter for face mask, and face mask25 Aug 2026US 12,716,153 B2Kaneka Corporation
- Cleaning and disinfecting wipes with enhanced thickness perception8 Oct 2026US 2026/0308491 A1The Clorox Company
- Method for preparing non-woven fabric and non-woven fabric8 Oct 2026US 2026/0308826 A1Zhejiang Bsk New Material Co., Ltd.
- Composition for preventing or treating capsular contracture caused by implant surgery and use thereof1 Oct 2026US 2026/0295124 A1Soonchunhyang University Industry Academy Cooperation Foundation
- Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers1 Oct 2026US 2026/0297241 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Cleaning Wipes1 Oct 2026US 2026/0297821 A1
Most cited
By later US patents
- Reinforced absorbable multilayered fabric for use in tissue repair and regeneration1,399US 7,749,204 B2Ethicon, Inc. · 2010
- Multicomponent apertured nonwoven341US 6,632,504 B1BBA Nonwovens Simpsonville, Inc. · 2003
- Fine denier fibers and fabrics made therefrom231US 5,759,926 AKimberly-Clark Worldwide, Inc. · 1998
- Spunlaced polyester-meltblown polyetherester laminate181US 4,781,966 AKimberly-Clark Corporation · 1988
- Synthetic fiber181US 6,135,987 AKimberly-Clark Worldwide, Inc. · 2000