C11D 3/0042
Reducing agents
Official title: {Reducing agents}
C11D3/0042 (Reducing agents) appears on 121 US grants and 98 published applications in this corpus.
Search patents in C11D- Granted patents
- 121
- Published applications
- 98
- Assignees
- 71
- Inventors
- 286
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 5 |
| 2004 | 1 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 9 |
| 2011 | 4 | 5 |
| 2012 | 6 | 0 |
| 2013 | 3 | 5 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 6 |
| 2019 | 0 | 1 |
| 2020 | 4 | 5 |
| 2021 | 3 | 0 |
| 2022 | 3 | 11 |
| 2023 | 0 | 6 |
| 2024 | 3 | 3 |
| 2025 | 4 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid enzyme composition with sulfite scavenger25 Aug 2026US 12,716,042 B2Novozymes A/S
- Reducing agent as corrosion inhibitor for neutral or low alkaline warewash detergent28 Apr 2026US 12,612,579 B2Ecolab USA Inc.
- Reducing agent as corrosion inhibitor for machine warewash14 Apr 2026US 12,600,922 B2Ecolab USA Inc.
- Post-CMP cleaning liquid comprising a substituted benzene anticorrosive agent, chelant, and amine compound24 Mar 2026US 12,588,450 B2FUJIFILM Corporation
- Post CMP cleaning composition2 Dec 2025US 12,486,473 B2Entegris, Inc.
- Reducing agent as corrosion inhibitor for machine warewash6 Aug 2026US 2026/0226370 A1Ecolab USA Inc.
- Microelectronic device cleaning composition12 Mar 2026US 2026/0071149 A1Entegris, Inc.
- Detergent composition for automatic dishwashers7 Aug 2025US 2025/0250510 A1Kao Corporation
- Protein particles with improved whiteness27 Feb 2025US 2025/0066694 A1Novozymes A/S
- Cleaning liquid, method of cleaning substrate, and method of manufacturing semiconductor element28 Nov 2024US 2024/0392215 A1Tokyo Ohka Kogyo.Co., Ltd.
Most cited
By later US patents
- Compositions, methods and kits for reductively removing color from dyed hair112US 6,171,347 B2Wella Aktiengesellschaft · 2001
- Cleaning of hard surfaces69US 4,082,683 ALever Brothers Company · 1978
- Compatible enzyme and oxidant bleaches containing cleaning composition69US 4,421,664 AEconomics Laboratory, Inc. · 1983
- Liquid detergent composition66US 4,268,406 AThe Procter & Gamble Company · 1981
- Solid cast fabric softening compositions for application in a washing machine64US 6,110,886 ASunburst Chemicals, Inc. · 2000