B01J 27/232
Carbonates
B01J27/232 (Carbonates) appears on 280 US grants and 255 published applications in this corpus.
Search patents in B01J- Granted patents
- 280
- Published applications
- 255
- Assignees
- 202
- Inventors
- 900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 3 | 2 |
| 2004 | 0 | 9 |
| 2005 | 1 | 10 |
| 2006 | 5 | 3 |
| 2007 | 1 | 2 |
| 2008 | 2 | 6 |
| 2009 | 4 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 3 |
| 2012 | 1 | 7 |
| 2013 | 6 | 14 |
| 2014 | 5 | 10 |
| 2015 | 8 | 18 |
| 2016 | 9 | 20 |
| 2017 | 20 | 17 |
| 2018 | 15 | 12 |
| 2019 | 19 | 16 |
| 2020 | 14 | 22 |
| 2021 | 12 | 18 |
| 2022 | 12 | 12 |
| 2023 | 9 | 11 |
| 2024 | 4 | 13 |
| 2025 | 7 | 13 |
| 2026 | 5 | 6 |
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
- Method for preparing carbon nanotube-producing catalyst15 Sep 2026US 12,734,507 B2LG Chem.Ltd.
- Selective hydrogenation of alkynes to alkenes in the presence of a phosphorus compound and an organic sulphur compound30 Jun 2026US 12,668,559 B2Dsm IP Assets B.V.
- Olefin production device and olefin production method23 Jun 2026US 12,662,435 B2Mitsubishi Heavy Industries, Ltd.
- Lanthanum oxycarbonate catalyst, and preparation method therefor and application thereof28 Apr 2026US 12,611,657 B2China Petroleum & Chemical Corporation
- 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
- Lanthanum oxycarbonate catalyst and its preparation method and application3 Sep 2026US 2026/0257208 A1China Petroleum & Chemical Corporation
- Process for the preparation of hydroxyphenylcarboxylic acid esters using catalytic transesterification13 Aug 2026US 2026/0234094 A1BASF SE
- Lanthanum dioxide carbonate catalyst and its preparation method and use9 Apr 2026US 2026/0097393 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Catalysts for the oxidative dehydrogenation of hydrocarbons93US 6,403,523 B1Union Carbide Chemicals & Plastics Technology Corporation · 2002
- Process for the production of olefins by combined methane oxidative coupling/hydrocarbon pyrolysis82US 5,118,898 ACommonwealth Scientific and Industrial Research Organization · 1992
- Catalysts for the oxidative dehydrogenation of hydrocarbons75US 6,576,803 B2Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Catalyst for fluidized catalytic cracking of heavy hydrocarbon oil and method of fluidized catalytic cracking67US 6,916,762 B2Cosmo Oil Co., Ltd. · 2005
- Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids53US 5,955,394 AMobile Process Technology, Co. · 1999