C09K 8/46
Containing inorganic binders
Official title: containing inorganic binders, e.g. Portland cement
C09K8/46 (Containing inorganic binders) appears on 2,112 US grants and 2,007 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,112
- Published applications
- 2,007
- Assignees
- 386
- Inventors
- 2,449
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 17 | 0 |
| 1985 | 10 | 0 |
| 1986 | 14 | 0 |
| 1987 | 20 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 26 | 0 |
| 1993 | 22 | 0 |
| 1994 | 62 | 0 |
| 1995 | 26 | 0 |
| 1996 | 24 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 21 | 0 |
| 2001 | 34 | 10 |
| 2002 | 25 | 19 |
| 2003 | 44 | 46 |
| 2004 | 35 | 60 |
| 2005 | 35 | 61 |
| 2006 | 52 | 82 |
| 2007 | 53 | 64 |
| 2008 | 63 | 80 |
| 2009 | 39 | 54 |
| 2010 | 64 | 69 |
| 2011 | 38 | 78 |
| 2012 | 55 | 96 |
| 2013 | 72 | 90 |
| 2014 | 74 | 117 |
| 2015 | 54 | 83 |
| 2016 | 74 | 85 |
| 2017 | 82 | 110 |
| 2018 | 84 | 123 |
| 2019 | 118 | 130 |
| 2020 | 125 | 110 |
| 2021 | 112 | 92 |
| 2022 | 82 | 65 |
| 2023 | 89 | 76 |
| 2024 | 74 | 87 |
| 2025 | 69 | 61 |
| 2026 | 61 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process of making sulfonated lignin-based compositions, sulfonated lignin-based compositions so-obtained and their use29 Sep 2026US 12,747,259 B2Rg Dispersants Ltd.
- Deflocculation additives for wellbore servicing fluid additives15 Sep 2026US 12,735,620 B2Halliburton Energy Services.Inc.
- Methods of servicing a wellbore using a volcanic ash sealant composition15 Sep 2026US 12,735,621 B2Saudi Arabian Oil Company
- Methods of sealing a water-bearing formation using a red mud sealant composition15 Sep 2026US 12,735,622 B2Saudi Arabian Oil Company
- Core-shell particles for subterranean operations15 Sep 2026US 12,735,623 B2Halliburton Energy Services.Inc.
- High temperature universal fluids and methods and systems related thereto1 Oct 2026US 2026/0297415 A1Aramco Services Company
- Formulation for abandoning oil wells and process for producing said formulation24 Sep 2026US 2026/0286208 A1Petroleo Brasileiro S.A. - Petrobras
- Synergistic approach to develop resilient cement systems for long term wellbore integrity of oil, gas and geothermal wells17 Sep 2026US 2026/0275183 A1Saudi Arabian Oil Company
- Method and tool for cementing wellbore17 Sep 2026US 2026/0275826 A1Baker Hughes Oilfield Operations LLC
- Cement sack compositions and methods for making and using the same10 Sep 2026US 2026/0265143 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Compositions and methods for cementing using elastic particles353US 6,508,305 B1BJ Services Company · 2003
- High temperature wellbore cement slurry319US 5,226,961 AShell Oil Company · 1993
- Encapsulated chemicals for use in controlled time release applications and methods314US 6,527,051 B1Halliburton Energy Services.Inc. · 2003
- Foamed well cement slurries, additives and methods302US 6,063,738 AHalliburton Energy Services.Inc. · 2000
- Controlling the release of chemical additives in well treating fluids282US 6,209,646 B1Halliburton Energy Services.Inc. · 2001