C07C 5/274
With inorganic acids
Official title: {with inorganic acids; with salts or anhydrides of acids}
C07C5/274 (With inorganic acids) appears on 24 US grants and 19 published applications in this corpus.
Search patents in C07C- Granted patents
- 24
- Published applications
- 19
- Assignees
- 9
- Inventors
- 38
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 5 | 10 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Circular economic methods for fragrance ingredients16 Jan 2024US 11,873,277 B2International Flavors & Fragrances Inc.
- Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof16 May 2023US 11,648,544 B2SK Innovation Co., Ltd.
- Methods and systems for producing para-xylene from C8-containing compositions27 Sep 2022US 11,453,624 B2Saudi Arabian Oil Company
- Catalyst for converting alkylaromatic hydrocarbon and preparation method thereof5 Jul 2022US 11,376,574 B2SK Innovation Co., Ltd.
- Methods and systems for producing para-xylene from C8-containing compositions7 Sep 2021US 11,111,192 B2Saudi Arabian Oil Company
- Circular economic methods for fragrance ingredients13 Oct 2022US 2022/0324778 A1International Flavors & Fragrances Inc.
- Catalyst for Converting Alkylaromatic Hydrocarbon and Preparation Method Thereof14 Jul 2022US 2022/0219153 A1SK Innovation Co., Ltd.
- Catalyst for Converting Alkylaromatic Hydrocarbon and Preparation Method Thereof17 Jun 2021US 2021/0178372 A1SK Innovation Co., Ltd.
- 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
Most cited
By later US patents
- Methods for forming amorphous ultra-high molecular weight polyolefins for use as drag reducing agents13US 6,730,750 B2Energy & Environmental International, L.C. · 2004
- Regioselective preparation of .beta.-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts8US 4,288,646 APCUK Produits Chimiques Ugine Kuhlmann · 1981
- Superacid catalyzed preparation of resorcinol from meta-diisopropylbenzene5US 4,339,613 APCUK Produits Chimiques Ugine Kuhlmann · 1982
- Ionic liquid alkylation of 1-butene to produce 2,5-dimethylhexane5US 9,302,951 B2Uop LLC · 2016
- Selective isopropylation of cumene to meta-diisopropylbenzene4US 4,547,604 APCUK Produits Chimiques Ugine Kuhlmann · 1985