C09K 8/5083
Obtained by reactions only involving carbon-to-carbon unsaturated bonds
Official title: {obtained by reactions only involving carbon-to-carbon unsaturated bonds}
C09K8/5083 (Obtained by reactions only involving carbon-to-carbon unsaturated bonds) appears on 329 US grants and 338 published applications in this corpus.
Search patents in C09K- Granted patents
- 329
- Published applications
- 338
- Assignees
- 132
- Inventors
- 761
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 7 | 15 |
| 2004 | 5 | 13 |
| 2005 | 8 | 23 |
| 2006 | 15 | 22 |
| 2007 | 9 | 13 |
| 2008 | 9 | 11 |
| 2009 | 14 | 13 |
| 2010 | 13 | 7 |
| 2011 | 10 | 16 |
| 2012 | 12 | 8 |
| 2013 | 7 | 8 |
| 2014 | 7 | 14 |
| 2015 | 10 | 9 |
| 2016 | 8 | 20 |
| 2017 | 12 | 12 |
| 2018 | 12 | 12 |
| 2019 | 12 | 14 |
| 2020 | 16 | 18 |
| 2021 | 16 | 31 |
| 2022 | 22 | 23 |
| 2023 | 25 | 14 |
| 2024 | 26 | 10 |
| 2025 | 10 | 2 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for sealing high-permeability zones in subterranean formations28 Jul 2026US 12,692,430 B1Saudi Arabian Oil Company
- Temperature-resistant and salt-tolerant in-situ plugging enhanced gel compositions, gels, preparation methods and applications12 May 2026US 12,624,275 B1China University of Petroleum-Beijing
- Composite diversion particle agglomeration28 Apr 2026US 12,612,546 B2Carbo Ceramics Inc.
- Methods and compositions using dissolvable gelled materials for diversion31 Mar 2026US 12,590,240 B2Schlumberger Technology Corporation
- Relative permeability modifier package for produced fluids from a subterranean formation13 Jan 2026US 12,522,763 B1Halliburton Energy Services.Inc.
- Process for preparing an oil-well cement slurry24 Sep 2026US 2026/0286209 A1Oil and Natural Gas Corporation Limited
- Method for modifying the permeability of a subterranean formation and related treatment fluid used in said method20 Aug 2026US 2026/0242657 A1ENI S. p. A.
- Fluid loss control for geopolymer system30 Jul 2026US 2026/0218035 A1Schlumberger Technology Corporation
- Relative permeability modifier for subterranean formation16 Jul 2026US 2026/0201241 A1Halliburton Energy Services.Inc.
- Method of Improving Performance of Relative Permeability Modifiers30 Apr 2026US 2026/0117114 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Methods of sealing subterranean zones265US 5,913,364 AHalliburton Energy Services.Inc. · 1999
- Methods of sealing subterranean zones247US 6,167,967 AHalliburton Energy Services.Inc. · 2001
- Oil based compositions and method for temporarily sealing subterranean zones114US 6,561,273 B2Halliburton Energy Services.Inc. · 2003
- Methods of rapidly consolidating particulate materials in wells107US 6,079,492 AHalliburton Energy Services.Inc. · 2000
- Method of consolidating porous formations using vinyl polymer sealer with divinylbenzene crosslinker100US 4,070,865 AHalliburton Company · 1978