C10G 2400/20
C2-c4 olefins
Official title: C2-C4 olefins
C10G2400/20 (C2-c4 olefins) appears on 1,744 US grants and 1,999 published applications in this corpus.
Search patents in C10G- Granted patents
- 1,744
- Published applications
- 1,999
- Assignees
- 444
- Inventors
- 3,458
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 13 | 0 |
| 1978 | 8 | 0 |
| 1979 | 15 | 0 |
| 1980 | 13 | 0 |
| 1981 | 12 | 0 |
| 1982 | 14 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 15 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 26 | 7 |
| 2002 | 28 | 25 |
| 2003 | 24 | 46 |
| 2004 | 29 | 61 |
| 2005 | 26 | 68 |
| 2006 | 40 | 54 |
| 2007 | 58 | 78 |
| 2008 | 40 | 52 |
| 2009 | 48 | 76 |
| 2010 | 50 | 82 |
| 2011 | 62 | 79 |
| 2012 | 68 | 90 |
| 2013 | 49 | 92 |
| 2014 | 71 | 79 |
| 2015 | 71 | 76 |
| 2016 | 79 | 67 |
| 2017 | 58 | 51 |
| 2018 | 56 | 72 |
| 2019 | 84 | 81 |
| 2020 | 71 | 82 |
| 2021 | 90 | 100 |
| 2022 | 80 | 139 |
| 2023 | 83 | 113 |
| 2024 | 107 | 127 |
| 2025 | 79 | 124 |
| 2026 | 60 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for catalytic cracking of naphtha with co-feed of mixed waste plastic oil to produce light olefins29 Sep 2026US 12,747,395 B2Sabic Global Technologies B.V.
- Process and system for converting solid carbon-based feedstocks to hydrocarbons and coke utilizing a coke drum29 Sep 2026US 12,747,396 B2Chevron U.S.A.Inc.
- Tandem alkane metathesis and catalyzed depolymerization for chemically complex circular feedstock15 Sep 2026US 12,735,549 B2Chevron Phillips Chemical Company LP
- Pyrolysis processes for upgrading a hydrocarbon feed15 Sep 2026US 12,735,648 B2ExxonMobil Chemical Patents Inc.
- Catalytic pyrolysis of plastics to produce petrochemical feedstock8 Sep 2026US 12,728,408 B2Universidad Del Pais Vasco
- Process and system to convert mixed plastic waste using a molten salt composition8 Oct 2026US 2026/0308456 A1Trans Ionics Corporation
- Direct heating electric tube for upgrading hydrocarbons with controlled tube material temperature8 Oct 2026US 2026/0308458 A1Dow Global Technologies LLC
- Process and plant for producing synthetic paraffinic kerosene as jet fuel1 Oct 2026US 2026/0297443 A1Topsoe A/S
- Methods and apparatuses for processing hydrocarbons to produce light olefins24 Sep 2026US 2026/0285784 A1King Abdullah University of Science and Technology
- Multi-metal catalysts and methods of making and using same17 Sep 2026US 2026/0273512 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Fast-fluidized bed reactor for MTO process143US 6,166,282 AUop LLC · 2000
- Conversion of methanol to gasoline components109US 4,058,576 AMobil Oil Corporation · 1977
- Chemical conversion process107US 4,861,938 AUop LLC · 1989
- Resid processing for steam cracker feed and catalytic cracking103US 7,972,498 B2ExxonMobil Chemical Patents Inc. · 2011
- Phosphorus-containing zeolite catalyst101US 3,972,832 AMobil Oil Corporation · 1976