C10L 1/1616
Fractions
Official title: {fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine}
C10L1/1616 (Fractions) appears on 694 US grants and 534 published applications in this corpus.
Search patents in C10L- Granted patents
- 694
- Published applications
- 534
- Assignees
- 257
- Inventors
- 1,242
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 24 | 0 |
| 1995 | 29 | 0 |
| 1996 | 35 | 0 |
| 1997 | 39 | 0 |
| 1998 | 48 | 0 |
| 1999 | 27 | 0 |
| 2000 | 24 | 0 |
| 2001 | 25 | 2 |
| 2002 | 14 | 14 |
| 2003 | 13 | 22 |
| 2004 | 9 | 18 |
| 2005 | 5 | 17 |
| 2006 | 2 | 23 |
| 2007 | 5 | 22 |
| 2008 | 13 | 38 |
| 2009 | 8 | 29 |
| 2010 | 13 | 31 |
| 2011 | 20 | 29 |
| 2012 | 16 | 38 |
| 2013 | 24 | 27 |
| 2014 | 21 | 25 |
| 2015 | 36 | 43 |
| 2016 | 18 | 25 |
| 2017 | 14 | 14 |
| 2018 | 26 | 22 |
| 2019 | 22 | 14 |
| 2020 | 17 | 19 |
| 2021 | 14 | 12 |
| 2022 | 13 | 9 |
| 2023 | 6 | 6 |
| 2024 | 6 | 13 |
| 2025 | 8 | 10 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous dispersions of paraffin inhibitors16 Jun 2026US 12,655,363 B2BASF SE
- Fuel additive composition and related methods19 May 2026US 12,630,775 B2Innovativ Industries LLC
- Diesel fuel and fuel additive with a combustion catalyst28 Apr 2026US 12,612,571 B2CDTI Advanced Material, Inc.
- Additives for increased fuel efficiency for liquid fuels used in combustion engines and methods for using the same7 Apr 2026US 12,595,432 B2
- Quaternary ammonium compounds17 Feb 2026US 12,553,003 B1Afton Chemical Corporation
- Method for Producing of a Fuel Additive8 Oct 2026US 2026/0308468 A1
- Fuel additive composition and related methods17 Sep 2026US 2026/0275213 A1Innovativ Industries LLC
- Aqueous dispersions of paraffin inhibitors17 Sep 2026US 2026/0275218 A1BASF SE
- Quaternary ammonium compounds6 Aug 2026US 2026/0226357 A1Afton Chemical Corporation
- Fuel compositions23 Jul 2026US 2026/0209624 A1Shell USA, Inc.
Most cited
By later US patents
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997
- Polymeric dispersants having alternating polyalkylene and succinic groups111US 5,112,507 AChevron Research and Technology Company · 1992
- Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)88US 5,229,022 AExxon Chemical Patents Inc. · 1993
- Process for preparing polymeric dispersants having alternating polyalkylene and succinic groups74US 5,175,225 AChevron Research and Technology Company · 1992
- Fuel additive composition and method for treatment of middle distillate fuels and gasoline73US 6,923,838 B2Advanced Combustion Technologies, Inc. · 2005