C09K 8/68
Containing organic compounds
Official title: containing organic compounds
C09K8/68 (Containing organic compounds) appears on 2,226 US grants and 2,610 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,226
- Published applications
- 2,610
- Assignees
- 493
- Inventors
- 2,967
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 13 | 0 |
| 1985 | 16 | 0 |
| 1986 | 11 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 21 | 0 |
| 1994 | 7 | 0 |
| 1995 | 15 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 24 | 2 |
| 2002 | 15 | 19 |
| 2003 | 18 | 42 |
| 2004 | 25 | 47 |
| 2005 | 19 | 67 |
| 2006 | 47 | 112 |
| 2007 | 56 | 83 |
| 2008 | 45 | 125 |
| 2009 | 65 | 94 |
| 2010 | 93 | 116 |
| 2011 | 82 | 93 |
| 2012 | 79 | 126 |
| 2013 | 67 | 114 |
| 2014 | 95 | 136 |
| 2015 | 89 | 137 |
| 2016 | 82 | 184 |
| 2017 | 123 | 178 |
| 2018 | 130 | 169 |
| 2019 | 129 | 157 |
| 2020 | 131 | 148 |
| 2021 | 137 | 138 |
| 2022 | 136 | 88 |
| 2023 | 122 | 70 |
| 2024 | 76 | 83 |
| 2025 | 65 | 51 |
| 2026 | 34 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of fracturing using a xanthan/guar gum containing fluid6 Oct 2026US 12,753,361 B1Sunita Hydrocolloids Inc.
- Extended- and multimodal-release compositions25 Aug 2026US 12,715,801 B2Finoric, LLC
- Cavitation, dissolver, and sand integration for wellbore descaling25 Aug 2026US 12,716,328 B1Saudi Arabian Oil Company
- Viscoelastic surfactant formulations and use in subterranean formations11 Aug 2026US 12,703,821 B2Energy Solutions (US) LLC
- Combination of polyglycerol-10 laurate and an alcohol to reverse the rock wettability of a reservoir4 Aug 2026US 12,698,434 B1Oleon NV
- Particulate compositions for iron sulfide remediation1 Oct 2026US 2026/0297419 A1ChampionX LLC
- Surfactants, surfactant compositions, and methods of using thereof24 Sep 2026US 2026/0286225 A1Chevron U.S.A.Inc.
- Electrochemical reduction of co2 emissions to a green reduction product and its salts24 Sep 2026US 2026/0286539 A1Saudi Arabian Oil Company
- Method for injecting an aqueous polymer solution into an underground formation10 Sep 2026US 2026/0265603 A1Snf Group
- Low interfacial tension injection fluid for treating subterranean formation6 Aug 2026US 2026/0226812 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Control of particulate flowback in subterranean wells379US 5,330,005 ADowell Schlumberger Incorporated · 1994
- Control of particulate flowback in subterranean wells372US 5,501,275 ADowell, a division of Schlumberger Technology Corporation · 1996
- Control of particulate flowback in subterranean wells358US 5,439,055 ADowell, a division of Schlumberger Technology Corporation · 1995
- Methods for limiting the inflow of formation water and for stimulating subterranean formations350US 5,979,557 ASchlumberger Technology Corporation · 1999
- Formation treatment method using deformable particles341US 6,330,916 B1BJ Services Company · 2001