C07C 29/1516
Multisteps
Official title: {Multisteps}
C07C29/1516 (Multisteps) appears on 679 US grants and 799 published applications in this corpus.
Search patents in C07C- Granted patents
- 679
- Published applications
- 799
- Assignees
- 340
- Inventors
- 1,345
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 9 | 7 |
| 2003 | 6 | 14 |
| 2004 | 12 | 13 |
| 2005 | 9 | 12 |
| 2006 | 6 | 3 |
| 2007 | 12 | 25 |
| 2008 | 7 | 14 |
| 2009 | 6 | 26 |
| 2010 | 19 | 36 |
| 2011 | 13 | 41 |
| 2012 | 24 | 27 |
| 2013 | 28 | 33 |
| 2014 | 26 | 57 |
| 2015 | 40 | 37 |
| 2016 | 39 | 38 |
| 2017 | 37 | 34 |
| 2018 | 22 | 22 |
| 2019 | 31 | 25 |
| 2020 | 25 | 33 |
| 2021 | 26 | 37 |
| 2022 | 23 | 64 |
| 2023 | 35 | 45 |
| 2024 | 26 | 51 |
| 2025 | 39 | 59 |
| 2026 | 20 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Electrochemical co-production of hydrogen and carbon monoxide6 Oct 2026US 12,753,519 B2Utility Global, Inc.
- Green methanol production25 Aug 2026US 12,715,827 B2ZoneFlow Reactor Technologies, LLC
- Cellulose ester compositions derived from recycled Cellulose ester content syngas25 Aug 2026US 12,715,938 B2Eastman Chemical Company
- Processes and systems for converting a hydrocarbon-containing feed7 Jul 2026US 12,674,106 B2ExxonMobil Chemical Patents Inc.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Syngas production from waste materials1 Oct 2026US 2026/0297000 A1SemperCycle ApS
- Styrene production from used tires and use within tire rubber1 Oct 2026US 2026/0297226 A1
- A method for storing hydrogen in a reactor or a synthesis loop24 Sep 2026US 2026/0285677 A1Topsoe A/S
- Process for producing pure methanol from a carbon dioxide-rich synthesis gas with single column purification24 Sep 2026US 2026/0285788 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer325US 4,772,634 AEnergy Research Corporation · 1988
- Methanol from coal and natural gas294US 4,407,973 AThe M. W. Kellogg Company · 1983
- Process for producing methanol292US 4,277,416 AAminoil, USA, Inc. · 1981
- Medium-load power-generating plant with integrated coal gasification plant287US 4,608,818 AKraftwerk Union Aktiengesellschaft · 1986
- Method of producing methanol synthesis gas283US 4,994,093 AKrupp-Koppers GmbH · 1991