C04B 22/085
Containing nitrogen in the anion
Official title: {containing nitrogen in the anion, e.g. nitrites}
C04B22/085 (Containing nitrogen in the anion) appears on 52 US grants and 79 published applications in this corpus.
Search patents in C04B- Granted patents
- 52
- Published applications
- 79
- Assignees
- 52
- Inventors
- 227
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 6 |
| 2006 | 4 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 4 |
| 2018 | 2 | 4 |
| 2019 | 3 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 7 |
| 2023 | 6 | 4 |
| 2024 | 3 | 7 |
| 2025 | 2 | 7 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Corrosion inhibiting concrete composition27US 4,285,733 AW. R. Grace & Co. · 1981
- Concrete compositions with reduced drying time and methods of manufacturing same14US 9,382,157 B2U. S. Concrete, Inc. · 2016
- Mitigation of alkali-silica reaction in concrete using readily-soluble chemical additives10US 11,339,094 B2Construction Research & Technology GmbH · 2022
- Use of mineral fines to reduce clinker content of cementitious compositions8US 10,737,980 B2Roman Cement, LLC · 2020
- Method for preventing hardened cementitious material from deteriorating6US 4,931,314 ANissan Chemical Industries, Ltd. · 1990