C07C 319/08
By replacement of hydroxy groups or etherified or esterified hydroxy groups
Official title: by replacement of hydroxy groups or etherified or esterified hydroxy groups
C07C319/08 (By replacement of hydroxy groups or etherified or esterified hydroxy groups) appears on 53 US grants and 48 published applications in this corpus.
Search patents in C07C- Granted patents
- 53
- Published applications
- 48
- Assignees
- 29
- Inventors
- 115
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 3 | 2 |
| 2010 | 4 | 2 |
| 2011 | 3 | 4 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 4 | 3 |
| 2016 | 2 | 4 |
| 2017 | 6 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 5 |
| 2023 | 1 | 2 |
| 2024 | 3 | 6 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Quantum dot ligand and method for preparing the same, light emitting device and method for preparing the same, and display device9 Dec 2025US 12,492,335 B2Beijing BOE Technology Development Co., Ltd.
- Catalyst for the synthesis of alkyl mercaptan and process for its preparation17 Jun 2025US 12,331,009 B2Evonik Operations GmbH
- Polyol or polythiol compound, preparation method therefor, transparent polyurethane-based resin prepared therefrom, and optical body4 Feb 2025US 12,215,184 B2
- Process for preparing a compound of formula RSH by hydrosulfurization10 Dec 2024US 12,162,823 B2Adisseo France S.A.S.
- Method for producing organic mercapto compound or intermediate thereof, (poly)thiol component, polymerizable composition for optical material, molded product, optical material, and lens13 Feb 2024US 11,897,835 B2Mitsui Chemicals, Inc.
- Method for preparing mercaptans with sulfhydrolysis of purified dialkyl sulfides15 Aug 2024US 2024/0270686 A1Arkema France
- Polyol or polythiol compound, preparation method therefor, transparent polyurethane-based resin prepared therefrom, and optical body15 Feb 2024US 2024/0052089 A1Ks Laboratories Co., Ltd.
- Method for drying methyl mercaptan by means of azeotropic distillation8 Feb 2024US 2024/0043377 A1Arkema France
- Method for preparing mercaptans by sulfhydrolysis of sulfides25 Jan 2024US 2024/0025847 A1Arkema France
- Method for preparing methyl mercaptan with treatment of gaseous waste18 Jan 2024US 2024/0018100 A1Arkema France
Most cited
By later US patents
- Catalyst, process for its preparation, and use for synthesis of methyl mercaptan14US 5,852,219 ADegussa AG · 1998
- Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid10US 5,489,694 ABASF SE · 1996
- Graded catalyst bed for methyl mercaptan synthesis10US 7,645,906 B2Chevron Phillips Chemical Company LP · 2010
- Synthesis of mercaptans from alcohols8US 5,874,630 AOccidental Chemical Corporation · 1999
- Process for continuous production of methyl mercaptan8US 5,886,230 ADegussa AG · 1999