D21H 21/36
Biocidal agents
Official title: Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
D21H21/36 (Biocidal agents) appears on 251 US grants and 325 published applications in this corpus.
Search patents in D21H- Granted patents
- 251
- Published applications
- 325
- Assignees
- 217
- Inventors
- 765
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 7 |
| 2003 | 5 | 13 |
| 2004 | 6 | 14 |
| 2005 | 4 | 17 |
| 2006 | 4 | 15 |
| 2007 | 8 | 16 |
| 2008 | 2 | 17 |
| 2009 | 2 | 9 |
| 2010 | 7 | 16 |
| 2011 | 6 | 7 |
| 2012 | 8 | 10 |
| 2013 | 10 | 16 |
| 2014 | 13 | 14 |
| 2015 | 6 | 14 |
| 2016 | 15 | 17 |
| 2017 | 6 | 13 |
| 2018 | 8 | 9 |
| 2019 | 13 | 18 |
| 2020 | 9 | 10 |
| 2021 | 12 | 14 |
| 2022 | 8 | 17 |
| 2023 | 7 | 16 |
| 2024 | 9 | 7 |
| 2025 | 8 | 8 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silver compositions and methods for making biocidal currency15 Sep 2026US 12,735,843 B2
- Method of controlling enzymatic activities and tools related thereto21 Jul 2026US 12,686,971 B2Kemira Oyj
- Dry wipe, a biodegradable packaging containing the dry wipe, an arrangement and a process for providing a wet wipe5 May 2026US 12,618,027 B2Glatfelter Gernsbach GmbH
- Method for reducing amount of bacterial endospores in an aqueous fibre suspension28 Apr 2026US 12,612,736 B2Kemira Oyj
- Paper enhancing compositions, uses thereof and enhanced paper23 Sep 2025US 12,421,665 B2ITI Technologies, Inc.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
- Water-Proof and Oil-Proof Coating, Preparation Method and Use Thereof6 Aug 2026US 2026/0225780 A1South China University of Technology
- Aqueous dispersion of alkyl ketene dimer and its use23 Jul 2026US 2026/0210054 A1Kemira Oyj
- Preparation method of biodegradable and antibacterial bamboo fiber-based paper straw9 Jul 2026US 2026/0193846 A1Northeast Forestry University
- Sterilization paper for wrapping medical devices and method of manufacturing the same14 May 2026US 2026/0132573 A1Ahlstrom Oyj
Most cited
By later US patents
- Antimicrobial compositions comprising a benzoic acid analog and a metal salt342US 6,294,186 B12001
- Anti-bacterial/anti-viral coatings, coating process and parameters thereof129US 5,968,538 AViro-Kote, Inc. · 1999
- Antibiotic zeolite114US 4,938,958 AShinagawa Fuel Co., Ltd. · 1990
- Antimicrobially active wet wiper104US 4,781,974 AJames River Corporation · 1988
- Antimicrobially active, non-woven web used in a wet wiper101US 4,615,937 AJames River Corporation · 1986