C11D 3/048
Nitrates or nitrites
Official title: {Nitrates or nitrites}
C11D3/048 (Nitrates or nitrites) appears on 50 US grants and 53 published applications in this corpus.
Search patents in C11D- Granted patents
- 50
- Published applications
- 53
- Assignees
- 30
- Inventors
- 139
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 2 | 6 |
| 2007 | 4 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 7 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
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- Stable enzyme solutions and method of manufacturing28 Nov 2023US 11,827,866 B2Novozymes A/S
- Personal care compositions4 Jul 2023US 11,690,833 B2Colgate-Palmolive Company
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- Particulate laundry softening wash additive18 Dec 2025US 2025/0382546 A1The Procter & Gamble Company
- Particulate laundry softening wash additive18 Dec 2025US 2025/0382552 A1The Procter & Gamble Company
- Interconnectable Tiling System25 Sep 2025US 2025/0298320 A1Tac-Fast Systems SA
- Interconnectable Tiling System25 Apr 2024US 2024/0134285 A1Tac-Fast Systems SA
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Most cited
By later US patents
- Composition containing a cationic polymer and water insoluble solid material39US 6,849,584 B2The Procter & Gamble Company · 2005
- Corrosion inhibitors for silver27US 5,888,954 AHenkel Kommanditgesellschaft auf Aktien · 1999
- Enzyme preparation containing a silver corrosion inhibitor26US 5,783,545 AHenkel Kommanditgesellschaft auf Aktien · 1998
- Aircraft cleaning/degreasing compositions25US 5,516,459 ABuckeye International, Inc. · 1996
- Combination air sanitizer, soft surface deodorizer/sanitizer and hard surface disinfectant24US 7,307,053 B2S. C. Johnson & Son, Inc. · 2007