C09K 8/845
Containing inorganic compounds
Official title: {containing inorganic compounds}
C09K8/845 (Containing inorganic compounds) appears on 286 US grants and 288 published applications in this corpus.
Search patents in C09K- Granted patents
- 286
- Published applications
- 288
- Assignees
- 110
- Inventors
- 617
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 3 | 5 |
| 2008 | 0 | 4 |
| 2009 | 4 | 18 |
| 2010 | 11 | 4 |
| 2011 | 6 | 7 |
| 2012 | 5 | 8 |
| 2013 | 4 | 9 |
| 2014 | 9 | 10 |
| 2015 | 9 | 8 |
| 2016 | 6 | 20 |
| 2017 | 10 | 20 |
| 2018 | 10 | 18 |
| 2019 | 15 | 27 |
| 2020 | 16 | 26 |
| 2021 | 33 | 37 |
| 2022 | 25 | 14 |
| 2023 | 24 | 14 |
| 2024 | 14 | 17 |
| 2025 | 9 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous based, water-soluble polymer slurry system21 Jul 2026US 12,686,811 B2Terra-Ace Intermediate Holdings, LLC
- Injection fluids for stimulating fractured formations12 May 2026US 12,624,277 B2Chevron U.S.A.Inc.
- Composite diversion particle agglomeration28 Apr 2026US 12,612,546 B2Carbo Ceramics Inc.
- Method for stimulating injection wells using reducing agents24 Mar 2026US 12,584,062 B2Jgs Resources, LLC
- Tracer compositions17 Feb 2026US 12,552,983 B2Saudi Arabian Oil Company
- Method for stimulating injection wells using reducing agents9 Jul 2026US 2026/0193528 A1Jgs Resources, LLC
- Inorganic hydrocarbon scavenger fluid9 Jul 2026US 2026/0193529 A1Halliburton Energy Services.Inc.
- Injection fluids comprising an anionic surfactant for treating unconventional formations9 Apr 2026US 2026/0098204 A1Chevron U.S.A.Inc.
- Composite diversion particle agglomeration26 Mar 2026US 2026/0085229 A1Carbo Ceramics Inc.
- Hydrogen generation within high salinity hydrocarbon-bearing reservoirs25 Dec 2025US 2025/0389175 A1
Most cited
By later US patents
- Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids127US 7,081,439 B2Schlumberger Technology Corporation · 2006
- In situ heat treatment from multiple layers of a tar sands formation112US 7,841,408 B2Shell Oil Company · 2010
- Drilling subsurface wellbores with cutting structures112US 7,841,425 B2Shell Oil Company · 2010
- In situ heat treatment of a tar sands formation after drive process treatment111US 7,798,220 B2Shell Oil Company · 2010
- In situ recovery from residually heated sections in a hydrocarbon containing formation108US 7,849,922 B2Shell Oil Company · 2010