C09K 8/5751
Macromolecular compounds
Official title: {Macromolecular compounds (C09K8/5756 takes precedence)}
C09K8/5751 (Macromolecular compounds) appears on 393 US grants and 341 published applications in this corpus.
Search patents in C09K- Granted patents
- 393
- Published applications
- 341
- Assignees
- 110
- Inventors
- 634
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 0 |
| 2003 | 2 | 6 |
| 2004 | 8 | 10 |
| 2005 | 4 | 16 |
| 2006 | 14 | 13 |
| 2007 | 4 | 11 |
| 2008 | 5 | 4 |
| 2009 | 3 | 11 |
| 2010 | 8 | 10 |
| 2011 | 3 | 12 |
| 2012 | 14 | 10 |
| 2013 | 7 | 11 |
| 2014 | 9 | 28 |
| 2015 | 8 | 18 |
| 2016 | 17 | 39 |
| 2017 | 29 | 31 |
| 2018 | 25 | 31 |
| 2019 | 17 | 16 |
| 2020 | 27 | 20 |
| 2021 | 11 | 12 |
| 2022 | 20 | 5 |
| 2023 | 8 | 8 |
| 2024 | 7 | 3 |
| 2025 | 5 | 8 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High temperature gravel packing fluid system19 May 2026US 12,630,757 B1Schlumberger Technology Corporation
- Method for consolidating subterranean formation24 Mar 2026US 12,584,061 B2Schlumberger Technology Corporation
- Method for managing sanding volume expectation in weak sandstone based on plastic zone volume3 Feb 2026US 12,540,886 B2Saudi Arabian Oil Company
- Method for consolidating sand in hydrocarbon reservoirs26 Aug 2025US 12,398,311 B1King Fahd University of Petroleum and Minerals
- Fluid loss control agent for aqueous wellbore fluids19 Aug 2025US 12,391,862 B2Schlumberger Technology Corporation
- High temperature gravel packing fluid system17 Sep 2026US 2026/0275185 A1Schlumberger Technology Corporation
- Method for consolidating subterranean formation30 Jul 2026US 2026/0218038 A1Schlumberger Technology Corporation
- Methods of treating unconsolidated sand formations using a volcanic ash sealant composition9 Jul 2026US 2026/0193519 A1Saudi Arabian Oil Company
- Methods of treating unconsolidated sand formations using a red mud sealant composition9 Jul 2026US 2026/0193525 A1Saudi Arabian Oil Company
- Methods of treating unconsolidated sand formations using a volcanic ash sealant composition9 Jul 2026US 2026/0193526 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Control of particulate flowback in subterranean wells341US 5,833,000 AHalliburton Energy Services.Inc. · 1998
- Control of fine particulate flowback in subterranean wells335US 5,853,048 AHalliburton Energy Services, Inc. · 1998
- Control of particulate flowback in subterranean wells303US 6,047,772 AHalliburton Energy Services.Inc. · 2000
- Control of fine particulate flowback in subterranean wells260US 5,775,425 AHalliburton Energy Services, Inc. · 1998
- Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals256US 6,209,643 B1Halliburton Energy Services.Inc. · 2001