B01J 31/0208
Ketones or ketals
Official title: {Ketones or ketals}
B01J31/0208 (Ketones or ketals) appears on 63 US grants and 55 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 55
- Assignees
- 61
- Inventors
- 236
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 6 |
| 2017 | 5 | 5 |
| 2018 | 4 | 6 |
| 2019 | 5 | 5 |
| 2020 | 3 | 4 |
| 2021 | 5 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation26 May 2026US 12,637,403 B2The Chinese University of Hong Kong
- Catalyst solution for electroless plating devoid of an amine4 Nov 2025US 12,460,301 B2The Boeing Company
- Palladium-containing composition and hydrogen peroxide production method24 Jun 2025US 12,337,304 B2Kyushu University, National University Corporation
- Asymmetric fused aromatic ring derivative containing sulfonyl group, hydrogen production device and optoelectronic component1 Apr 2025US 12,264,166 B2National Tsing Hua University
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation20 Feb 2024US 11,905,237 B2The Chinese University of Hong Kong
- Composition10 Jul 2025US 2025/0221408 A1Earth, Inc.
- Bioluminescence-triggered photocatalytic activation14 Nov 2024US 2024/0377404 A1Promega Corporation
- Methods of making compositions from olefin metathesis photopolymers7 Nov 2024US 2024/0368338 A1Polyspectra, Inc.
- Access to chiral bisphenol (bpol) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation23 May 2024US 2024/0166586 A1The Chinese University of Hong Kong
- Biomimetic catalysts for diverse industrial applications in chemical reactions25 Apr 2024US 2024/0131499 A1Wisconsin Alumni Research Foundation
Most cited
By later US patents
- Polymerization of carbon monoxide/olefin with P ligand having polar aryl group101US 4,843,144 AShell Oil Company · 1989
- Hydrotreatment catalyst, method for production and use thereof54US 8,318,628 B2Ifp Energies Nouvelles · 2012
- Carbonylation catalyst system29US 5,028,576 AShell Oil Company · 1991
- Method for recovering molybdenum catalyst values and use of said values in the recycling of said catalyst18US 3,931,044 ACompagnie Francaise de Raffinage · 1976
- Process for the preparation of alkanedioic acid derivatives16US 5,210,280 AShell Oil Company · 1993