C04B 2103/61
Corrosion inhibitors
C04B2103/61 (Corrosion inhibitors) appears on 68 US grants and 60 published applications in this corpus.
Search patents in C04B- Granted patents
- 68
- Published applications
- 60
- Assignees
- 53
- Inventors
- 195
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 4 |
| 2020 | 1 | 3 |
| 2021 | 2 | 4 |
| 2022 | 6 | 5 |
| 2023 | 3 | 7 |
| 2024 | 8 | 2 |
| 2025 | 4 | 3 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrophobic concrete and asphalt18 Aug 2026US 12,709,572 B2Nant Holdings IP, LLC
- Hydrophobic concrete and asphalt2 Jun 2026US 12,643,820 B2Nant Holdings IP, LLC
- Compositions comprising a mechanochemically carboxylated mineral filler and a cement and/or asphalt binder6 Jan 2026US 12,515,987 B2Carbon Upcycling Technologies Inc.
- Dry material mixture for a backfill, preferably a refractory concrete backfill, for producing a heavy-clay refractory non-basic product, refractory concrete backfill and such a product, method for producing same, lining, and industrial furnace, channel transport system or mobile transport vessel2 Dec 2025US 12,486,201 B2Refratechnik Holding GmbH
- Organic silicon nano-precursor medium transmission inhibitor, its preparation method and use21 Oct 2025US 12,448,331 B2Bote New Materials Taizhou Co., Ltd.
- Use of fibers of a carbon-resin composite for reinforcing concrete24 Sep 2026US 2026/0285754 A1Compagnie Generale Des Etablissements Michelin
- Repair Method For Reinforced Concrete2 Jul 2026US 2026/0184645 A1JDC Corporation
- Hydrophobic Concrete and Asphalt14 May 2026US 2026/0132077 A1Nant Holdings IP, LLC
- Hydrophobic Concrete and Asphalt14 May 2026US 2026/0132078 A1Nant Holdings IP, LLC
- Compositions comprising a mechanochemically carboxylated mineral filler and a cement and/or asphalt binder9 Apr 2026US 2026/0097992 A1Carbon Upcycling Technologies Inc.
Most cited
By later US patents
- Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations138US 6,904,971 B2Halliburton Energy Services.Inc. · 2005
- Corrosion inhibitor for reducing corrosion in metallic concrete reinforcements34US 5,597,514 ACortec Corporation · 1997
- Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations32US 7,147,055 B2Halliburton Energy Services.Inc. · 2006
- Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations25US 7,255,739 B2Halliburton Energy Services.Inc. · 2007
- Corrosion inhibiting hydraulic cement additives and compositions containing same23US 4,946,506 AW. R. Grace & Co.-Conn. · 1990