C09K 8/12
Containing synthetic organic macromolecular compounds or their precursors
Official title: containing synthetic organic macromolecular compounds or their precursors
C09K8/12 (Containing synthetic organic macromolecular compounds or their precursors) appears on 544 US grants and 508 published applications in this corpus.
Search patents in C09K- Granted patents
- 544
- Published applications
- 508
- Assignees
- 196
- Inventors
- 979
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 1 |
| 2002 | 11 | 8 |
| 2003 | 6 | 18 |
| 2004 | 18 | 27 |
| 2005 | 10 | 17 |
| 2006 | 17 | 20 |
| 2007 | 12 | 16 |
| 2008 | 9 | 14 |
| 2009 | 12 | 20 |
| 2010 | 19 | 21 |
| 2011 | 18 | 30 |
| 2012 | 13 | 24 |
| 2013 | 15 | 22 |
| 2014 | 23 | 33 |
| 2015 | 17 | 24 |
| 2016 | 17 | 37 |
| 2017 | 28 | 27 |
| 2018 | 33 | 26 |
| 2019 | 38 | 31 |
| 2020 | 23 | 22 |
| 2021 | 18 | 12 |
| 2022 | 17 | 15 |
| 2023 | 16 | 8 |
| 2024 | 10 | 16 |
| 2025 | 11 | 11 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shale hydration inhibitors and subterranean treatment fluids containing them29 Sep 2026US 12,747,383 B2Lamberti SPA
- Fluid loss control additives for drilling fluids14 Jul 2026US 12,680,400 B2Halliburton Energy Services.Inc.
- Ultra-high molecular weight (UHMW) branched block copolymer viscosifier for water based drilling fluids10 Mar 2026US 12,570,887 B2Saudi Arabian Oil Company
- Water-based anionic friction reducer11 Nov 2025US 12,466,990 B2Obsidian Chemical Solutions, LLC
- Synergistic viscosifiers for clay-free, water-based drilling fluids30 Sep 2025US 12,428,588 B2Halliburton Energy Services.Inc.
- High temperature universal fluids and methods and systems related thereto1 Oct 2026US 2026/0297415 A1Aramco Services Company
- Aqueous drilling fluid for reducing bitumen accretion27 Aug 2026US 2026/0250445 A1Secure Speciality Chemicals Corp.
- Downstream uses for briquettes and other forms of powder from asphalt shingle waste18 Jun 2026US 2026/0167856 A1Bmic LLC
- Method and system for producing core-shell microcapsules for downhole applications using microfluidic-based solvent evaporation11 Jun 2026US 2026/0158463 A1Aramco Innovations LLC
- Downstream uses for briquettes and other forms of powder from asphalt shingle waste11 Jun 2026US 2026/0159744 A1
Most cited
By later US patents
- Well drilling and servicing fluids and methods of removing filter cake deposited thereby200US 6,494,263 B2Halliburton Energy Services.Inc. · 2002
- Methods of consolidating formations or forming chemical casing or both while drilling188US 6,702,044 B2Halliburton Energy Services.Inc. · 2004
- Well drilling and servicing fluids and methods of removing filter cake deposited thereby185US 6,422,314 B1Halliburton Energy Services.Inc. · 2002
- Methods of consolidating formations and forming a chemical casing147US 6,823,940 B2Halliburton Energy Services.Inc. · 2004
- Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell137US 7,066,284 B2Halliburton Energy Services.Inc. · 2006