C07C 303/30
By reactions not involving the formation of esterified sulfo groups
Official title: by reactions not involving the formation of esterified sulfo groups
C07C303/30 (By reactions not involving the formation of esterified sulfo groups) appears on 74 US grants and 89 published applications in this corpus.
Search patents in C07C- Granted patents
- 74
- Published applications
- 89
- Assignees
- 84
- Inventors
- 255
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 5 | 5 |
| 2004 | 2 | 4 |
| 2005 | 1 | 6 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 5 |
| 2011 | 3 | 5 |
| 2012 | 0 | 4 |
| 2013 | 4 | 5 |
| 2014 | 4 | 4 |
| 2015 | 6 | 3 |
| 2016 | 2 | 6 |
| 2017 | 3 | 5 |
| 2018 | 4 | 6 |
| 2019 | 4 | 4 |
| 2020 | 2 | 3 |
| 2021 | 5 | 1 |
| 2022 | 1 | 6 |
| 2023 | 0 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparation of mesotrione and its intermediates16 Dec 2025US 12,497,355 B2Rallis India Limited
- Flow synthesis process for the production of oseltamivir3 Jun 2025US 12,319,639 B2Nelson Mandela University
- Complexes and ligands5 Nov 2024US 12,134,721 B2The General Hospital Corporation
- N,N′-diarylurea derivative, manufacturing method thereof, and thermosensitive recording material using same2 Apr 2024US 11,945,769 B2Sanko Co., Ltd.
- Process for preparing 1, 2-benzenedimethanol compound15 Mar 2022US 11,274,076 B2Gowan Company, L.L.C.
- Total syntheses of portimine a and analogues thereof as small molecule modulators of nmd320 Aug 2026US 2026/0242390 A1The Scripps Research Institute
- Compositions, methods, and systems for the synthesis and use of imaging agents29 May 2025US 2025/0171398 A1Lantheus Medical Imaging, Inc.
- Complexes and Ligands13 Mar 2025US 2025/0084303 A1The General Hospital Corporation
- Rescorcinols, methods for their manufacture, and uses thereof1 Aug 2024US 2024/0254066 A1
- N,n'-diarylurea derivative, manufacturing method thereof, and thermosensitive recording material using same13 Jun 2024US 2024/0190816 A1Sanko Co., Ltd.
Most cited
By later US patents
- Poly-perfluoroalkyl substituted polyethyleneimine foam stabilizers and film formers36US 10,173,089 B2Tyco Fire Products LP · 2019
- Method for preparation of F-18 containing organofluoro compounds in alcohol solvents20US 7,847,092 B2Futurechem Co., Ltd. · 2010
- 3-aryl-2-hydroxypropionic acid derivative (I)19US 6,258,850 B1AstraZeneca AB · 2001
- Compositions, methods, and systems for the synthesis and use of imaging agents9US 9,388,125 B2Lantheus Medical Imaging, Inc. · 2016
- Fluorination process8US 4,051,168 AE. I. Du Pont de Nemours and Company · 1977