D04H 1/4282
Addition polymers
D04H1/4282 (Addition polymers) appears on 915 US grants and 1,198 published applications in this corpus.
Search patents in D04H- Granted patents
- 915
- Published applications
- 1,198
- Assignees
- 556
- Inventors
- 2,795
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 11 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 20 | 0 |
| 1996 | 29 | 0 |
| 1997 | 28 | 0 |
| 1998 | 40 | 0 |
| 1999 | 32 | 0 |
| 2000 | 22 | 0 |
| 2001 | 30 | 18 |
| 2002 | 29 | 45 |
| 2003 | 26 | 43 |
| 2004 | 27 | 45 |
| 2005 | 12 | 44 |
| 2006 | 8 | 40 |
| 2007 | 14 | 37 |
| 2008 | 8 | 26 |
| 2009 | 15 | 35 |
| 2010 | 17 | 39 |
| 2011 | 13 | 40 |
| 2012 | 18 | 25 |
| 2013 | 17 | 27 |
| 2014 | 18 | 39 |
| 2015 | 15 | 42 |
| 2016 | 15 | 41 |
| 2017 | 16 | 44 |
| 2018 | 26 | 45 |
| 2019 | 20 | 37 |
| 2020 | 29 | 66 |
| 2021 | 24 | 42 |
| 2022 | 36 | 80 |
| 2023 | 47 | 85 |
| 2024 | 52 | 89 |
| 2025 | 43 | 55 |
| 2026 | 36 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medical material and product and preparation method thereof8 Sep 2026US 12,728,182 B2Peking University School of Stomatology
- High-porosity nanofiber nonwovens as a support structure for stromal tissue28 Jul 2026US 12,691,203 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Sterilization packaging28 Jul 2026US 12,692,034 B2STERIS Inc.
- Use of polymer composition on making soft nonwoven fabrics28 Jul 2026US 12,692,630 B2Borealis AG
- Water soluble fibers with post process modifications and articles containing same28 Jul 2026US 12,692,650 B2Monosol, LLC
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Fiber article8 Oct 2026US 2026/0308825 A1Daicel Corporation
- 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
- Composition for preventing or treating capsular contracture caused by implant surgery and use thereof1 Oct 2026US 2026/0295124 A1Soonchunhyang University Industry Academy Cooperation Foundation
- Sterilization packaging1 Oct 2026US 2026/0296704 A1STERIS Inc.
Most cited
By later US patents
- Soft nonwoven fabric of filaments506US 5,108,820 AMitsui Petrochemical Industries, Ltd. · 1992
- Breathable composite sheet structure and absorbent articles utilizing same367US 6,677,258 B2E. I. Du Pont de Nemours and Company · 2004
- Multicomponent apertured nonwoven341US 6,632,504 B1BBA Nonwovens Simpsonville, Inc. · 2003
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Porpous PTFE film and a manufacturing method therefor264US 5,476,589 AW. L. Gore & Associates, Inc. · 1995