C07C 67/055
In the presence of platinum group metals or their compounds
Official title: in the presence of platinum group metals or their compounds
C07C67/055 (In the presence of platinum group metals or their compounds) appears on 322 US grants and 160 published applications in this corpus.
Search patents in C07C- Granted patents
- 322
- Published applications
- 160
- Assignees
- 105
- Inventors
- 515
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 5 |
| 2002 | 18 | 11 |
| 2003 | 11 | 11 |
| 2004 | 7 | 4 |
| 2005 | 5 | 7 |
| 2006 | 5 | 12 |
| 2007 | 7 | 4 |
| 2008 | 6 | 11 |
| 2009 | 5 | 5 |
| 2010 | 8 | 12 |
| 2011 | 4 | 16 |
| 2012 | 11 | 14 |
| 2013 | 13 | 5 |
| 2014 | 5 | 10 |
| 2015 | 7 | 4 |
| 2016 | 2 | 0 |
| 2017 | 5 | 3 |
| 2018 | 3 | 4 |
| 2019 | 3 | 2 |
| 2020 | 5 | 6 |
| 2021 | 2 | 4 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Process to produce ethylene and vinyl acetate monomer and derivatives thereof6 Feb 2024US 11,891,357 B2NOVA Chemicals (International) S.A.
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- Method for manufacturing catalyst for manufacture of vinyl acetate and method for manufacturing vinyl acetate7 Aug 2025US 2025/0249443 A1Resonac Corporation
- Catalyst and methods for olefin acetoxylation24 Jul 2025US 2025/0236583 A1Celanese International Corporation
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Most cited
By later US patents
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Method for producing catalysts containing metal nanoparticles on a porous support, especially for gas phase oxidation of ethylene and acetic acid to form vinyl acetate171US 6,603,038 B1Celanese Chemicals Europe GmbH · 2003
- Integrated process for the production of vinyl acetate and/or acetic acid118US 6,040,474 ABP Chemicals Limited · 2000
- Catalysts and processes for the manufacture of vinyl acetate117US 5,185,308 ABP Chemicals Limited · 1993
- Production of alkenyl alkanoate catalysts110US 5,179,056 AUnion Carbide Chemicals & Plastics Technology Corporation · 1993