C09K 8/725
Compositions containing polymers
Official title: {Compositions containing polymers}
C09K8/725 (Compositions containing polymers) appears on 181 US grants and 234 published applications in this corpus.
Search patents in C09K- Granted patents
- 181
- Published applications
- 234
- Assignees
- 70
- Inventors
- 429
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 17 |
| 2015 | 4 | 22 |
| 2016 | 13 | 32 |
| 2017 | 20 | 30 |
| 2018 | 23 | 21 |
| 2019 | 16 | 24 |
| 2020 | 20 | 11 |
| 2021 | 14 | 21 |
| 2022 | 20 | 9 |
| 2023 | 18 | 12 |
| 2024 | 8 | 7 |
| 2025 | 6 | 14 |
| 2026 | 9 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method of using tracer compositions having a degradable polymer and a detectable component for tracing gas flow in a hydrocarbon reservoir22 Sep 2026US 12,742,383 B2Saudi Arabian Oil Company
- Methods for sealing high-permeability zones in subterranean formations28 Jul 2026US 12,692,430 B1Saudi Arabian Oil Company
- Tracer compositions2 Jun 2026US 12,644,376 B2Saudi Arabian Oil Company
- Friction reduction of acidic treatment fluids5 May 2026US 12,618,000 B2Halliburton Energy Services.Inc.
- Acidizing compositions for improved fluid performance14 Apr 2026US 12,600,900 B2Halliburton Energy Services.Inc.
- Method for single-stage treatment of siliceous subterranean formations13 Aug 2026US 2026/0234465 A1Schlumberger Technology Corporation
- Low viscosity polymer-based retarded acid13 Aug 2026US 2026/0234466 A1Schlumberger Technology Corporation
- Furfuryl alcohol monomer consolidation treatment25 Dec 2025US 2025/0388801 A1Halliburton Energy Services.Inc.
- Anti-caking or blocking agent for treating solid acid precursor additives used in treating subterranean formations4 Dec 2025US 2025/0368890 A1LyondellBasell Advanced Polymers Inc.
- Gelled acid compositions and methods for acid stimulation in carbonate formations16 Oct 2025US 2025/0320405 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications56US 7,803,740 B2Sun Drilling Products Corporation · 2010
- Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications30US 7,803,742 B2Sun Drilling Products Corporation · 2010
- Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications30US 8,088,718 B2Sun Drilling Products Corporation · 2012
- Method of using diverter and proppant mixture20US 9,920,610 B2Baker Hughes, A Ge Company, LLC · 2018
- Wellbore servicing materials and methods of making and using same15US 8,714,249 B1Halliburton Energy Services.Inc. · 2014