C10G 73/38
Chemical modification of petroleum
C10G73/38 (Chemical modification of petroleum) appears on 14 US grants and 4 published applications in this corpus.
Search patents in C10G- Granted patents
- 14
- Published applications
- 4
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 11 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for purifying a mixture comprising oil and wax11 Aug 2020US 10,738,248 B2Sulzer Chemtech AG
- Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives6 Jun 2017US 9,670,760 B2Chevron U.S.A.Inc.
- UZM-43 an EUO-NES-NON zeolite23 Dec 2014US 8,916,129 B2Uop LLC
- Redox catalyst plus promoter for oxidation of hydrocarbons6 Aug 1985US 4,533,458 AAshland Oil, Inc.
- Hydrocarbon oxidate composition1 Jan 1985US 4,491,535 AAshland Oil, Inc.
- Method and Apparatus for Purifying a Mixture Comprising Oil and Wax7 Feb 2019US 2019/0040330 A1Sulzer Chemtech AG
- Catalytic oxidation of hydrocarbons28 Dec 2017US 2017/0369798 A1The Lubrizol Corporation
- Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives30 Apr 2015US 2015/0114635 A1Chevron U.S.A.Inc.
- Uzm-43 an euo-nes-non zeolite19 Jun 2014US 2014/0171291 A1Uop LLC
Most cited
By later US patents
- Mixed alkyl esters of interpolymers for use in crude oils20US 4,284,414 AThe Lubrizol Corporation · 1981
- Friable composition and process17US 3,979,345 AContinental Oil Company · 1976
- Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives10US 4,108,784 AThe Lubrizol Corporation · 1978
- Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives8US 9,670,760 B2Chevron U.S.A.Inc. · 2017
- Wax treating process7US 4,140,619 AShell Oil Company · 1979