B01J 27/20
Carbon compounds
B01J27/20 (Carbon compounds) appears on 834 US grants and 814 published applications in this corpus.
Search patents in B01J- Granted patents
- 834
- Published applications
- 814
- Assignees
- 528
- Inventors
- 2,585
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 12 | 0 |
| 1992 | 22 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 4 |
| 2002 | 11 | 7 |
| 2003 | 9 | 12 |
| 2004 | 8 | 20 |
| 2005 | 7 | 29 |
| 2006 | 11 | 19 |
| 2007 | 15 | 14 |
| 2008 | 8 | 17 |
| 2009 | 9 | 10 |
| 2010 | 11 | 21 |
| 2011 | 9 | 13 |
| 2012 | 8 | 32 |
| 2013 | 18 | 47 |
| 2014 | 27 | 37 |
| 2015 | 34 | 42 |
| 2016 | 41 | 53 |
| 2017 | 45 | 48 |
| 2018 | 35 | 40 |
| 2019 | 56 | 49 |
| 2020 | 45 | 61 |
| 2021 | 30 | 69 |
| 2022 | 39 | 42 |
| 2023 | 30 | 41 |
| 2024 | 35 | 30 |
| 2025 | 27 | 28 |
| 2026 | 22 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing 2-hydroxy-5-oxoproline6 Oct 2026US 12,753,153 B2
- Electrically heated exhaust gas purification catalyst22 Sep 2026US 12,741,271 B2Mitsui Kinzoku Company, Limited
- Method for preparing carbon nanotube-producing catalyst15 Sep 2026US 12,734,507 B2LG Chem.Ltd.
- Single-atom catalyst for use in a water splitting process and a method for preparing the same11 Aug 2026US 12,703,922 B2Technische UniversitäT Berlin
- Transition metal carbides for catalytic dehydrogenation of short alkanes4 Aug 2026US 12,698,246 B2Iowa State University Research Foundation, Inc.
- Highly dispersed metal carbonate catalysts8 Oct 2026US 2026/0307063 A1BASF SE
- Mixed guerbet reaction of ethanol and methanol to produce isobutanol8 Oct 2026US 2026/0308094 A1BASF SE
- System and method for operating a thermal reactor17 Sep 2026US 2026/0273492 A1Lydian Labs, Inc.
- Catalysts for the reduction of carbon dioxide10 Sep 2026US 2026/0264065 A1Dimensional Energy, Inc.
- Lanthanum oxycarbonate catalyst and its preparation method and application3 Sep 2026US 2026/0257208 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Carbon fibrils and method for producing same250US 5,165,909 AHyperion Catalysis Int'l., Inc. · 1992
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Monomodal and polymodal catalyst supports and catalysts having narrow pore size distributions and their production129US 5,935,897 ABASF SE · 1999
- Nanostructured catalyst supports112US 8,278,011 B2Nanosys, Inc. · 2012