C07D 335/16
Oxygen atoms
Official title: Oxygen atoms, e.g. thioxanthones
C07D335/16 (Oxygen atoms) appears on 160 US grants and 132 published applications in this corpus.
Search patents in C07D- Granted patents
- 160
- Published applications
- 132
- Assignees
- 96
- Inventors
- 385
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 7 |
| 2005 | 2 | 9 |
| 2006 | 3 | 2 |
| 2007 | 4 | 4 |
| 2008 | 3 | 3 |
| 2009 | 5 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 5 | 6 |
| 2014 | 4 | 3 |
| 2015 | 5 | 7 |
| 2016 | 4 | 12 |
| 2017 | 9 | 5 |
| 2018 | 9 | 11 |
| 2019 | 7 | 11 |
| 2020 | 9 | 6 |
| 2021 | 5 | 5 |
| 2022 | 3 | 4 |
| 2023 | 4 | 7 |
| 2024 | 2 | 3 |
| 2025 | 4 | 2 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Salt, quencher, resist composition and method for producing resist pattern1 Sep 2026US 12,724,343 B2Sumitomo Chemical Company, Limited
- Salt, acid generator, resist composition and method for producing resist pattern3 Mar 2026US 12,566,375 B2Sumitomo Chemical Company, Limited
- Modified thioxanthone photoinitiators27 Jan 2026US 12,535,735 B2Lintfield Limited
- Tetradentate ligands, gold(III) complexes, preparation method and use thereof2 Dec 2025US 12,490,645 B2
- Negative photosensitive resin composition, pattern formation method, and laminated film23 Sep 2025US 12,422,747 B2San-Apro Ltd.
- Photobases13 Aug 2026US 2026/0234174 A1Technische UniversitäT Wien
- Triarylsulfonium based photoinitiators for led cure of cationic, free radical and hybrid cationic/free radical formulations6 Aug 2026US 2026/0226018 A1Arkema France
- Sulfonium salt photoinitiators and methods of led curing a composition with said sulfonium salt photoinitiators30 Jul 2026US 2026/0217983 A1Arkema France
- Sulfonium salt monomer, polymer, chemically amplified resist composition, and pattern forming method30 Jul 2026US 2026/0219570 A1Shin-Etsu Chemical Co., Ltd.
- Diastereomer preparation method, and solid-phase photosensitizer19 Feb 2026US 2026/0049051 A1Iwasaki Electric Co., Ltd.
Most cited
By later US patents
- Aromatic-aliphatic ketones useful as photoinitiators66US 4,496,447 AMerck Patent Gesellschaft mit beschraenkter Haftung · 1985
- Radiation sensitive plates65US 5,130,227 AVickers, Incorporated · 1992
- Aromatic-aliphatic ketones useful as photoinitiators63US 4,374,984 AMerck Patent GmbH · 1983
- Photoinitiators having a combined structure58US 5,047,556 AMerck Patent GmbH · 1991
- Diaminopropionic acid derivatives50US 6,331,640 B1Hoffmann-La Roche Inc. · 2001