C07C 251/66
With the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon
Official title: with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
C07C251/66 (With the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon) appears on 56 US grants and 40 published applications in this corpus.
Search patents in C07C- Granted patents
- 56
- Published applications
- 40
- Assignees
- 44
- Inventors
- 207
- Latest grant
- 6 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 8 |
| 2012 | 4 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 4 |
| 2015 | 3 | 3 |
| 2016 | 5 | 4 |
| 2017 | 5 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and intermediates6 Sep 2022US 11,434,192 B2Novartis AG
- Photosensitive composition and compound21 Jan 2020US 10,539,872 B2Tokyo Ohka Kogyo.Co., Ltd.
- Process and intermediates13 Aug 2019US 10,377,697 B2Novartis AG
- Fluorenyl β-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same23 Jan 2018US 9,873,663 B2Korea Research Institute of Chemical Technology
- Fluorene-type compound, photopolymerization initiator comprising said fluorene-type compound, and photosensitive composition containing said photopolymerization initiator20 Jun 2017US 9,684,238 B2Tokyo Ohka Kogyo.Co., Ltd.
- (2,4-dichlorophenoxy)acetic acid analogs12 Feb 2026US 2026/0042731 A1Corteva Agriscience LLC
- Fragrance and flavor materials20 Mar 2025US 2025/0091984 A1Takasago International Corporation
- Negative photosensitive resin composition, cured film, and organic el display and manufacturing method therefor24 Jun 2021US 2021/0191264 A1Toray Industries, Inc.
- Photo activator and manufacturing method of the same and photo alignment agent including the same24 Dec 2020US 2020/0399204 A1Hongik University Industry-Academic Cooperation Foundation
- Process and intermediates10 Oct 2019US 2019/0308927 A1Novartis AG
Most cited
By later US patents
- Oxime ester photoiniators having a combined structure283US 7,189,489 B2Ciba Specialty Chemicals Corporation · 2007
- O-acyloxime photoinitiators45US 6,596,445 B1Ciba Specialty Chemicals Corporation · 2003
- Oxime ester photoinitiators41US 6,949,678 B2Ciba Specialty Chemicals Corporation · 2005
- Bleaching composition32US 5,093,022 AKao Corporation · 1992
- Fungicidal methods, compounds and compositions containing benzophenones19US 5,773,663 AAmerican Cyanamid Company · 1998