C09K 8/608
Polymer compositions
Official title: {Polymer compositions}
C09K8/608 (Polymer compositions) appears on 72 US grants and 50 published applications in this corpus.
Search patents in C09K- Granted patents
- 72
- Published applications
- 50
- Assignees
- 40
- Inventors
- 155
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 3 | 3 |
| 2015 | 0 | 1 |
| 2016 | 3 | 4 |
| 2017 | 2 | 2 |
| 2018 | 1 | 7 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 6 | 5 |
| 2022 | 1 | 3 |
| 2023 | 5 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functionalized nanoparticles as wetability modifier30 Sep 2025US 12,428,592 B2Schlumberger Technology Corporation
- Ionic liquid chain transfer agent as well treatment additive26 Aug 2025US 12,398,313 B2Halliburton Energy Services.Inc.
- Polymer composition for use in a camera module9 Jul 2024US 12,032,272 B2Ticona LLC
- Stable high solids slurry compositions10 Oct 2023US 11,781,056 B2KAO Specialties Americas
- Bionics-based efficiently transported and packed proppant and preparation method thereof10 Oct 2023US 11,781,062 B1Southwest Petroleum University
- Hybrid polymer and process for producing same30 Jul 2026US 2026/0217890 A1Snf Group
- Functionalized nanoparticles as wetability modifier22 Jan 2026US 2026/0022291 A1Schlumberger Technology Corporation
- Functionalized nanoparticles as wetability modifier30 Jan 2025US 2025/0034450 A1Schlumberger Technology Corporation
- Ionic Liquid Chain Transfer Agent As Well Treatment Additive11 Jul 2024US 2024/0228861 A1Halliburton Energy Services.Inc.
- Method for characterising the presence of polymers and/or quantifying polymers in a porous medium11 Jul 2024US 2024/0230615 A1
Most cited
By later US patents
- Clay stabilizer144US 5,342,530 ANalco Chemical Company · 1994
- Oil well treating method and composition92US 4,366,071 AHalliburton Company · 1982
- Oil well treating method and composition87US 4,366,074 AHalliburton Company · 1982
- Oil well treating method and composition74US 4,374,739 AHalliburton Company · 1983
- Clay stabilization during oil and gas well cementing operations72US 4,393,939 AHalliburton Services · 1983