C10G 2300/201
Impurities
C10G2300/201 (Impurities) appears on 3,024 US grants and 3,997 published applications in this corpus.
Search patents in C10G- Granted patents
- 3,024
- Published applications
- 3,997
- Assignees
- 891
- Inventors
- 5,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 8 |
| 2003 | 8 | 19 |
| 2004 | 8 | 33 |
| 2005 | 10 | 65 |
| 2006 | 10 | 59 |
| 2007 | 18 | 53 |
| 2008 | 20 | 70 |
| 2009 | 34 | 120 |
| 2010 | 75 | 157 |
| 2011 | 81 | 213 |
| 2012 | 159 | 312 |
| 2013 | 158 | 232 |
| 2014 | 205 | 184 |
| 2015 | 188 | 161 |
| 2016 | 189 | 167 |
| 2017 | 171 | 248 |
| 2018 | 184 | 252 |
| 2019 | 202 | 243 |
| 2020 | 222 | 225 |
| 2021 | 224 | 241 |
| 2022 | 220 | 233 |
| 2023 | 181 | 213 |
| 2024 | 170 | 215 |
| 2025 | 158 | 158 |
| 2026 | 83 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective hydrogenation catalyst comprising a particular distribution of nickel and molybdenum6 Oct 2026US 12,752,261 B2Ifp Energies Nouvelles
- Chemical-type hydrocracking catalyst, preparation method therefor, and application thereof6 Oct 2026US 12,752,264 B2China Petroleum & Chemical Corporation
- Systems and methods for removal of halogenated contaminants from pyrolysis oil by inert gas purging6 Oct 2026US 12,753,352 B2Sabic Global Technologies B.V.
- Method of preparing a hydrocracking catalyst29 Sep 2026US 12,746,535 B2Shell USA, Inc.
- 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.
- Plastic treatment with bases8 Oct 2026US 2026/0308461 A1Reaction 35, LLC
- Coking Method and Coke Composition Containing Trace Metals1 Oct 2026US 2026/0297430 A1
- Biobased multifunctional additives for hydrocarbon desalting1 Oct 2026US 2026/0297437 A1Solugen, Inc.
- Methods for Processing Renewable Feedstocks with Integrated Off-Gas Reforming1 Oct 2026US 2026/0297442 A1Duke Technologies, LLC
- Anti-coking and stably-operating apparatus and method for co-producing aviation fuel and chemical feedstock from waste biomass24 Sep 2026US 2026/0284627 A1Sichuan University
Most cited
By later US patents
- Conversion of biomass feedstock to diesel fuel additive194US 5,705,722 ANatural Resources Canada · 1998
- Systems and methods for producing fuel compositions189US 8,506,656 B12013
- Premium synthetic lubricant base stock having at least 95% non-cyclic isoparaffins166US 6,080,301 AExxonMobil Research and Engineering Company · 2000
- Composition and method for sweetening hydrocarbons161US 4,978,512 AQuaker Chemical Corporation · 1990
- Method of treating sour gas and liquid hydrocarbon160US 5,674,377 ANalco/Exxon Energy Chemicals, L. P. · 1997