C07C 67/327
By elimination of functional groups containing oxygen only in singly bound form
Official title: by elimination of functional groups containing oxygen only in singly bound form
C07C67/327 (By elimination of functional groups containing oxygen only in singly bound form) appears on 116 US grants and 112 published applications in this corpus.
Search patents in C07C- Granted patents
- 116
- Published applications
- 112
- Assignees
- 81
- Inventors
- 352
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 5 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 2 | 8 |
| 2014 | 5 | 4 |
| 2015 | 9 | 7 |
| 2016 | 6 | 9 |
| 2017 | 9 | 14 |
| 2018 | 7 | 6 |
| 2019 | 6 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 7 |
| 2022 | 7 | 6 |
| 2023 | 0 | 3 |
| 2024 | 1 | 5 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthesis of methyl 2-fluoroacrylate13 Jan 2026US 12,522,682 B2Vifor (International) AG
- Method of producing adipic acid2 Sep 2025US 12,404,228 B2Hyundai Motor Company
- Processes for preparing functionalized cyclooctenes14 Jan 2025US 12,194,100 B2Tambo, Inc.
- Process for the preparation of cis-alpha,beta substituted cyclopentanones31 Dec 2024US RE50,250 E1Firmenich SA
- Processes for preparing 5,5-dimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds and 3,5,5-trimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds from 3,3-dimethyl-1-butene-1,4-dicarboxylate compounds and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds, and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds6 Dec 2022US 11,518,729 B2Shin-Etsu Chemical Co., Ltd.
- Processes for making 1,2-diacetoxyethane from monoethylene glycol by reactive distillation and integrated vinyl acetate monomer production6 Aug 2026US 2026/0225987 A1New Product Innovation, LLC
- Improved process for producing high-purity butyl acrylate2 Apr 2026US 2026/0092030 A1Arkema France
- Method of producing catalyst for synthesizing alkyl acrylate from alkyl lactate and a method of producing alkyl acrylate using catalyst22 May 2025US 2025/0161924 A1Hyundai Motor Company
- Processes for preparing functionalized cyclooctenes1 May 2025US 2025/0135005 A1Tambo, Inc.
- Dehydration of lactic acid in the liquid phase19 Dec 2024US 2024/0417360 A1Lakril Technologies Corp.
Most cited
By later US patents
- Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid61US 5,071,754 ABattelle Memorial Institute · 1991
- Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway54US 9,108,914 B1Sirrus, Inc. · 2015
- Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid37US 5,252,473 ABattelle Memorial Institute · 1993
- Preparation of acrylic acid derivatives from α- or β-hydroxy carboxylic acids24US 7,538,247 B2Ciba Specialty Chemicals Corporation · 2009
- Process for producing methyl methacrylate17US 5,371,273 AMitsubishi Gas Chemical Company, Inc. · 1994