C09K 8/524
Organic depositions
Official title: organic depositions, e.g. paraffins or asphaltenes
C09K8/524 (Organic depositions) appears on 707 US grants and 845 published applications in this corpus.
Search patents in C09K- Granted patents
- 707
- Published applications
- 845
- Assignees
- 299
- Inventors
- 1,610
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 3 |
| 2004 | 2 | 8 |
| 2005 | 0 | 11 |
| 2006 | 4 | 16 |
| 2007 | 6 | 17 |
| 2008 | 8 | 25 |
| 2009 | 10 | 18 |
| 2010 | 19 | 27 |
| 2011 | 14 | 29 |
| 2012 | 10 | 27 |
| 2013 | 15 | 24 |
| 2014 | 28 | 36 |
| 2015 | 24 | 54 |
| 2016 | 27 | 67 |
| 2017 | 33 | 64 |
| 2018 | 49 | 59 |
| 2019 | 54 | 48 |
| 2020 | 61 | 58 |
| 2021 | 43 | 69 |
| 2022 | 53 | 51 |
| 2023 | 44 | 50 |
| 2024 | 44 | 30 |
| 2025 | 33 | 36 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of improving injection pressure and asphaltene remediation6 Oct 2026US 12,753,337 B2
- Odor management for disulfide solvents and surfaces contacted therewith8 Sep 2026US 12,729,337 B2ExxonMobil Technology and Engineering Company
- Well clean premium (WCP-1) system and method11 Aug 2026US 12,703,823 B2Hygt Chemical LLC
- Polymeric wax deposition inhibitor21 Jul 2026US 12,686,808 B2Council of Scientific and Industrial Research
- Multi-functional compositions for enhanced oil and gas recovery and other petroleum industry applications7 Jul 2026US 12,674,087 B2Locus Solutions Ipco, LLC
- Anti-fouling compositions for use in crude oil production and processing8 Oct 2026US 2026/0308441 A1Ecolab USA Inc.
- Aqueous drilling fluid for reducing bitumen accretion27 Aug 2026US 2026/0250445 A1Secure Speciality Chemicals Corp.
- Low interfacial tension injection fluid for treating subterranean formation6 Aug 2026US 2026/0226812 A1Chevron U.S.A.Inc.
- Method of Remediating a Well for Long Term Production16 Jul 2026US 2026/0201240 A1Baker Hughes Oilfield Operations LLC
- Oil soluble molybdenum complexes as high temperature fouling inhibitors4 Jun 2026US 2026/0152683 A1Ecolab USA Inc.
Most cited
By later US patents
- Nanofluids and methods of use for drilling and completion fluids104US 8,822,386 B2Baker Hughes Incorporated · 2014
- Compositions and methods for gas well treatment98US 7,989,404 B2Clearwater International, LLC · 2011
- Acid based micro-emulsions92US 6,593,279 B2Integrity Industries, Inc. · 2003
- Removal of wellbore residues82US 6,534,449 B1Schlumberger Technology Corporation · 2003
- Compositions and methods for gas well treatment79US 7,886,824 B2Clearwater International, LLC · 2011