C23F 11/187
Mixtures of inorganic inhibitors
Official title: {Mixtures of inorganic inhibitors}
C23F11/187 (Mixtures of inorganic inhibitors) appears on 145 US grants and 132 published applications in this corpus.
Search patents in C23F- Granted patents
- 145
- Published applications
- 132
- Assignees
- 100
- Inventors
- 356
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 6 |
| 2004 | 5 | 3 |
| 2005 | 3 | 5 |
| 2006 | 2 | 7 |
| 2007 | 2 | 3 |
| 2008 | 2 | 8 |
| 2009 | 2 | 4 |
| 2010 | 5 | 6 |
| 2011 | 1 | 0 |
| 2012 | 3 | 7 |
| 2013 | 5 | 1 |
| 2014 | 3 | 8 |
| 2015 | 7 | 10 |
| 2016 | 6 | 8 |
| 2017 | 6 | 7 |
| 2018 | 7 | 6 |
| 2019 | 8 | 6 |
| 2020 | 1 | 9 |
| 2021 | 4 | 1 |
| 2022 | 6 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 5 |
| 2025 | 4 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrophobic concrete and asphalt18 Aug 2026US 12,709,572 B2Nant Holdings IP, LLC
- Method of inhibiting corrosion of a metal in an industrial water system21 Jul 2026US 12,686,929 B2Ecolab USA Inc.
- Hydrophobic concrete and asphalt2 Jun 2026US 12,643,820 B2Nant Holdings IP, LLC
- Corrosion control for water systems using passivators and a hydroxycarboxylic acid14 Apr 2026US 12,601,064 B2Chemtreat, Inc.
- Anticorrosive composition28 Oct 2025US 12,454,488 B2Rockwool A/S
- Method of Inhibiting Corrosion of a Metal in an Industrial Water System1 Oct 2026US 2026/0297758 A1Ecolab USA Inc.
- Corrosion control for water systems using passivators and a hydroxycarboxylic acid16 Jul 2026US 2026/0201571 A1Chemtreat, Inc.
- Coating composition and process for applying same to metal substrates28 May 2026US 2026/0146337 A1Cia. Industrial H. Carlos Schneider
- Hydrophobic Concrete and Asphalt14 May 2026US 2026/0132077 A1Nant Holdings IP, LLC
- Hydrophobic Concrete and Asphalt14 May 2026US 2026/0132078 A1Nant Holdings IP, LLC
Most cited
By later US patents
- Fire retardant compositions containing ammonium polyphosphate and iron additives for corrosion inhibition63US 6,802,994 B1Astaris LLC · 2004
- Corrosion inhibitor mixture for ammonium sulfate fire-retardant compositions and method for inhibiting corrosivity of such compositions53US 4,176,071 AEarly California Industries, Inc. · 1979
- Fire retardant compositions with reduced aluminum corrosivity43US 6,905,639 B2Astaris LLC · 2005
- Ammonium polyphosphate solutions containing multi-functional phosphonate corrosion inhibitors37US 6,846,437 B2Astaris LLC · 2005
- Using molybdates to inhibit corrosion in water-based metalworking fluids28US 4,313,837 AAmax Inc. · 1982