C07C 29/94
Use of additives
Official title: Use of additives, e.g. for stabilisation
C07C29/94 (Use of additives) appears on 59 US grants and 47 published applications in this corpus.
Search patents in C07C- Granted patents
- 59
- Published applications
- 47
- Assignees
- 51
- Inventors
- 172
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 4 |
| 2013 | 1 | 0 |
| 2014 | 2 | 4 |
| 2015 | 3 | 3 |
| 2016 | 4 | 7 |
| 2017 | 3 | 1 |
| 2018 | 5 | 0 |
| 2019 | 3 | 2 |
| 2020 | 2 | 5 |
| 2021 | 1 | 4 |
| 2022 | 1 | 0 |
| 2023 | 0 | 5 |
| 2024 | 2 | 3 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Activation of alkyl substrates in condensed phase with ozone23 Jun 2026US 12,662,441 B2University of Kansas
- Method of purifying raw methanol23 Dec 2025US 12,503,417 B2Andritz Inc.
- Method for the preparation of 1,2-propanediol2 Dec 2025US 12,486,210 B2Evonik Operations GmbH
- Method for improving ultra-violet light transmittance of ethylene glycol16 Sep 2025US 12,415,768 B2Shenzhen Capchem Technology Co., Ltd.
- Chemical liquid purification method and chemical liquid27 May 2025US 12,311,294 B2FUJIFILM Corporation
- Alkanediol-containing composition5 Feb 2026US 2026/0035327 A1DIC Corporation
- Process device using ipa and method thereof22 Jan 2026US 2026/0022087 A1Shanghai Huali Integrated Circuit Corporation
- Systems and methods for using glycerol-based scale inhibitors in waste streams14 Aug 2025US 2025/0257023 A1Cameron International Corporation
- Control of iodides in acetic acid production22 Aug 2024US 2024/0279144 A1LyondellBasell Acetyls, LLC
- Chemical liquid purification method and chemical liquid4 Jul 2024US 2024/0216843 A1FUJIFILM Corporation
Most cited
By later US patents
- Process for separating mixture of ethylene glycol and dimethyl terephthalate polymers21US 5,364,985 AEnviropur Waste Refining And Technology, Inc. · 1994
- Method for reducing the C1-C2-aldehyde content formed from compounds with -CH2-CHR-O-or-CH(OH)-groups12US 6,380,353 B1BASF SE · 2002
- Stable vitamin A11US 5,426,248 AThe Procter & Gamble Company · 1995
- Energy integrated carbon dioxide conversion process10US 9,969,665 B22018
- Formulations and method for raising the flash points of volatile organic solvents9US 8,092,715 B2GreenSolve, LLC · 2012