C07C 5/2743
Acids of sulfur
Official title: {Acids of sulfur; Salts thereof; Sulfur oxides}
C07C5/2743 (Acids of sulfur) appears on 4 US grants and 3 published applications in this corpus.
Search patents in C07C- Granted patents
- 4
- Published applications
- 3
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 27 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for producing para-xylene from C8-containing compositions27 Sep 2022US 11,453,624 B2Saudi Arabian Oil Company
- Methods and systems for producing para-xylene from C8-containing compositions7 Sep 2021US 11,111,192 B2Saudi Arabian Oil Company
- Methods and systems for producing para-xylene from C8-containing compositions24 Nov 2020US 10,843,983 B2Saudi Arabian Oil Company
- Regioselective preparation of .beta.-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts8 Sep 1981US 4,288,646 APCUK Produits Chimiques Ugine Kuhlmann
- Methods and systems for producing para-xylene from c8-containing compositions26 Nov 2020US 2020/0369581 A1Saudi Arabian Oil Company
- Methods and systems for producing para-xylene from c8-containing compositions12 Nov 2020US 2020/0354289 A1Saudi Arabian Oil Company
- Methods and systems for producing para-xylene from c8-containing compositions27 Aug 2020US 2020/0270189 A1Saudi Arabian Oil Company
Most cited
By later US patents