C11D 3/26
Containing nitrogen
Official title: containing nitrogen {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)}
C11D3/26 (Containing nitrogen) appears on 2,845 US grants and 3,208 published applications in this corpus.
Search patents in C11D- Granted patents
- 2,845
- Published applications
- 3,208
- Assignees
- 816
- Inventors
- 5,991
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 18 | 0 |
| 1978 | 23 | 0 |
| 1979 | 12 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 7 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 13 | 0 |
| 1987 | 17 | 0 |
| 1988 | 19 | 0 |
| 1989 | 17 | 0 |
| 1990 | 9 | 0 |
| 1991 | 21 | 0 |
| 1992 | 14 | 0 |
| 1993 | 21 | 0 |
| 1994 | 29 | 0 |
| 1995 | 50 | 0 |
| 1996 | 45 | 0 |
| 1997 | 39 | 0 |
| 1998 | 80 | 0 |
| 1999 | 120 | 0 |
| 2000 | 87 | 0 |
| 2001 | 79 | 19 |
| 2002 | 103 | 67 |
| 2003 | 74 | 82 |
| 2004 | 53 | 78 |
| 2005 | 37 | 93 |
| 2006 | 45 | 105 |
| 2007 | 32 | 88 |
| 2008 | 45 | 76 |
| 2009 | 45 | 73 |
| 2010 | 40 | 112 |
| 2011 | 52 | 110 |
| 2012 | 75 | 103 |
| 2013 | 80 | 112 |
| 2014 | 99 | 94 |
| 2015 | 66 | 148 |
| 2016 | 96 | 179 |
| 2017 | 101 | 201 |
| 2018 | 95 | 195 |
| 2019 | 115 | 166 |
| 2020 | 129 | 164 |
| 2021 | 121 | 172 |
| 2022 | 115 | 165 |
| 2023 | 98 | 143 |
| 2024 | 108 | 184 |
| 2025 | 108 | 143 |
| 2026 | 85 | 136 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleaning solution, method for cleaning substrate, and method for manufacturing semiconductor6 Oct 2026US 12,753,366 B2Tokyo Ohka Kogyo.Co., Ltd.
- Dry-wash aerospace cleaning composition6 Oct 2026US 12,753,367 B2Henkel AG & Co. KGaA
- Cleaning booster6 Oct 2026US 12,753,369 B2Dow Global Technologies LLC
- Compositions and their applications29 Sep 2026US 12,747,415 B2BASF SE
- Ambient moisture-activated hard surface treatment powder comprising a carbonate/persalt/sulfonium or phosphonium salt combination29 Sep 2026US 12,747,417 B2Sterilex, LLC
- Cleaning product8 Oct 2026US 2026/0308480 A1The Procter & Gamble Company
- Cleaning product8 Oct 2026US 2026/0308481 A1The Procter & Gamble Company
- Carbonate inhibiting composition8 Oct 2026US 2026/0308482 A1Nouryon Chemicals International B. V.
- Cleaning product8 Oct 2026US 2026/0308490 A1The Procter & Gamble Company
- Surfactant Potentiators for Ethoxylated Surfactants1 Oct 2026US 2026/0297459 A1Arxada AG
Most cited
By later US patents
- Cleaning solution for photoresist and method for forming pattern using the same470US 7,238,653 B2Hynix Semiconductor Inc. · 2007
- Detergent compositions containing ethoxylated amines having clay soil removal/anti-redeposition properties202US 4,597,898 AThe Proctor & Gamble Company · 1986
- Bleach catalyst compositions and use thereof in laundry bleaching and detergent compositions201US 4,430,243 AThe Procter & Gamble Company · 1984
- Compact cleaner containing surfactants167US 6,331,518 B2Henkel-Ecolab GmbH & Co. OHG · 2001
- Cleaning compositions for removing etching residue and method of using150US 5,334,332 AEKC Technology, Inc. · 1994