C07C 67/62
Use of additives
Official title: Use of additives, e.g. for stabilisation
C07C67/62 (Use of additives) appears on 200 US grants and 185 published applications in this corpus.
Search patents in C07C- Granted patents
- 200
- Published applications
- 185
- Assignees
- 118
- Inventors
- 558
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 2 |
| 2003 | 6 | 7 |
| 2004 | 5 | 12 |
| 2005 | 10 | 6 |
| 2006 | 8 | 6 |
| 2007 | 5 | 6 |
| 2008 | 2 | 8 |
| 2009 | 2 | 2 |
| 2010 | 4 | 5 |
| 2011 | 2 | 6 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 3 | 9 |
| 2015 | 8 | 6 |
| 2016 | 6 | 16 |
| 2017 | 12 | 7 |
| 2018 | 8 | 11 |
| 2019 | 8 | 9 |
| 2020 | 8 | 8 |
| 2021 | 8 | 4 |
| 2022 | 4 | 4 |
| 2023 | 2 | 10 |
| 2024 | 3 | 11 |
| 2025 | 7 | 15 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous method for producing n-butyl(meth)acrylate including a catalyst recirculation process14 Jul 2026US 12,679,798 B2BASF SE
- Synthesis of vinyl cyclobutyl intermediates12 May 2026US 12,623,993 B2Amgen Inc.
- Synergistic combination for inhibiting polymerization14 Apr 2026US 12,600,804 B2Bl Technologies, Inc.
- Polymerization inhibitors24 Mar 2026US 12,583,813 B2BASF SE
- Method for purifying an alkylene glycol monoalkyl ether carboxylic acid ester having high-purity used in photo resist process28 Oct 2025US 12,454,505 B2Jaewon Industrial Co., Ltd
- Synthesis of vinyl cyclobutyl intermediates27 Aug 2026US 2026/0250233 A1Amgen Inc.
- Method for storing recycled bis(2-hydroxyethyl)terephthalate and method for preparing polyester resin20 Aug 2026US 2026/0242561 A1SK Chemicals Co., Ltd.
- (meth)acrylic acid ester production method6 Aug 2026US 2026/0225990 A1Nippon Shokubai Co., Ltd.
- (meth)acrylic acid ester production method25 Jun 2026US 2026/0176229 A1Nippon Shokubai Co., Ltd.
- Composition16 Apr 2026US 2026/0103554 A1Kuraray Co., Ltd.
Most cited
By later US patents
- Method of stabilizing an .omega.-3 unsaturated fatty acid compound168US 5,567,730 AMaruha Corporation · 1996
- Method for inhibiting the polymerization of acrylic acid or its esters41US 4,021,310 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1977
- Method for inhibiting polymerization of (meth) acrylic acid and esters thereof41US 5,322,960 ANippon Shokubai Co., Ltd. · 1994
- Polymerization inhibition of acrylate esters35US 3,959,358 ANalco Chemical Company · 1976
- Method of distilling vinyl compounds34US 3,988,213 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1976