C07C 2527/232
Carbonates
C07C2527/232 (Carbonates) appears on 129 US grants and 32 published applications in this corpus.
Search patents in C07C- Granted patents
- 129
- Published applications
- 32
- Assignees
- 69
- Inventors
- 248
- Latest grant
- 29 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 11 | 0 |
| 1986 | 11 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 4 | 2 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface-modified calcium carbonate as carrier for transition metal-based catalysts29 Dec 2020US 10,875,014 B2Omya International AG
- Formed body and method for producing the same, α-olefin dimerization catalyst, and method for producing α-olefin dimer10 Dec 2019US 10,500,570 B2Mitsui Chemicals, Inc.
- Process for the production of ethylenically unsaturated carboxylic acids or esters5 Nov 2019US 10,464,875 B2Lucite International UK Limited
- Metathesis catalyst and process for producing olefin29 Oct 2019US 10,457,616 B2SMH Co., Ltd
- Processes and catalysts for converting alkanes to alkenes20 Feb 2018US 9,895,676 B2Sajet Development LLC
- Continuous production method and continuous production device of isobutylbenzene21 May 2026US 2026/0138937 A1Qingdao University of Science and Technology
- Lanthanum dioxide carbonate catalyst and its preparation method and use9 Apr 2026US 2026/0097393 A1China Petroleum & Chemical Corporation
- Method for producing olefin dimer, olefin dimerization catalyst19 Jun 2025US 2025/0197325 A1Mitsui Chemicals, Inc.
- Method for recovering styrene monomers from waste polystyrene6 Jun 2024US 2024/0182663 A1Korea Research Institute of Chemical Technology
- Olefin production device and olefin production method29 Feb 2024US 2024/0067587 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation140US 6,518,476 B1Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- 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
- Methane production80US 3,958,957 AExxon Research & Engineering Co. · 1976