C11D 3/18
Hydrocarbons
Official title: Hydrocarbons {(C11D3/164 takes precedence)}
C11D3/18 (Hydrocarbons) appears on 714 US grants and 505 published applications in this corpus.
Search patents in C11D- Granted patents
- 714
- Published applications
- 505
- Assignees
- 325
- Inventors
- 1,525
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 17 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 32 | 0 |
| 1998 | 49 | 0 |
| 1999 | 55 | 0 |
| 2000 | 45 | 0 |
| 2001 | 29 | 7 |
| 2002 | 27 | 17 |
| 2003 | 29 | 25 |
| 2004 | 23 | 18 |
| 2005 | 16 | 36 |
| 2006 | 7 | 28 |
| 2007 | 8 | 24 |
| 2008 | 16 | 21 |
| 2009 | 12 | 22 |
| 2010 | 15 | 18 |
| 2011 | 14 | 23 |
| 2012 | 10 | 28 |
| 2013 | 15 | 14 |
| 2014 | 17 | 21 |
| 2015 | 22 | 21 |
| 2016 | 17 | 40 |
| 2017 | 18 | 28 |
| 2018 | 12 | 29 |
| 2019 | 18 | 10 |
| 2020 | 13 | 16 |
| 2021 | 8 | 14 |
| 2022 | 11 | 12 |
| 2023 | 9 | 9 |
| 2024 | 8 | 9 |
| 2025 | 7 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cleaning composition, method for preparing the same and use thereof31 Mar 2026US 12,590,270 B2Guangdong Yingde Dosoon Fine Chemical Industry Co., Ltd.
- Safe formulation for a multi-purpose cleaning solution6 Jan 2026US 12,516,270 B2
- Cleaning agent composition and cleaning method14 Oct 2025US 12,441,964 B2Nissan Chemical Corporation
- Treatment liquid and substrate washing method14 Oct 2025US 12,441,965 B2FUJIFILM Corporation
- Surface cleaning device with odor control22 Jul 2025US 12,364,374 B2SharkNinja Operating LLC
- Engine combustion chamber cleaning solution composition and cleaning method using the same1 Oct 2026US 2026/0297461 A1Kd Finechem Co., Ltd.
- Soft surface cleaning compositions6 Aug 2026US 2026/0226368 A1Reckitt Benckiser N.V.
- Laundry care composition6 Aug 2026US 2026/0226369 A1Givaudan SA
- Fabric fragrance-retaining and stain-removing composition containing anionic surfactant and preparation method thereof23 Jul 2026US 2026/0209644 A1Guangzhou Joyson Cleaning Products Co., Ltd.
- Stabilizing system for laundry emulsions7 May 2026US 2026/0125619 A1Ecolab USA Inc.
Most cited
By later US patents
- Liquid detergent compositions267US 4,414,128 AThe Procter & Gamble Company · 1983
- Mid-chain branched surfactants193US 6,020,303 AThe Procter & Gamble Company · 2000
- Mid-chain branched alkyl sulfate surfactants175US 6,060,443 AThe Procter & Gamble Company · 2000
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Solvent soaps and methods employing same152US 5,723,423 AUnion Oil Company of California, dba UNOCAL · 1998