C07C 311/62
Having nitrogen atoms of the sulfonylurea groups further acylated
Official title: having nitrogen atoms of the sulfonylurea groups further acylated
C07C311/62 (Having nitrogen atoms of the sulfonylurea groups further acylated) appears on 6 US grants and 1 published applications in this corpus.
Search patents in C07C- Granted patents
- 6
- Published applications
- 1
- Assignees
- 5
- Inventors
- 24
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chemical foaming agents containing tosyl groups31 Dec 2024US 12,183,479 B2Dow Global Technologies LLC
- Heat sensitive recording material23 Sep 2003US 6,624,117 B1Ciba Specialty Chemicals Corporation
- Sulfonylsemicarbazide derivatives and preservative composition for preserving the freshness of flower of cut flowers3 Mar 1998US 5,723,407 AMeiji Seika Kaisha, Ltd.
- Thermosensitive recording material26 Oct 1993US 5,256,618 AOji Paper Co., Ltd.
- Aryl sulfonylurea carbamates and thiolcarbamates and salts thereof: herbicidal antidotes5 Jun 1990US 4,931,580 A
Most cited
By later US patents
- Thermosensitive recording material9US 5,256,618 AOji Paper Co., Ltd. · 1993
- Heat sensitive recording material7US 6,624,117 B1Ciba Specialty Chemicals Corporation · 2003
- Sulfonylsemicarbazide derivatives and preservative composition for preserving the freshness of flower of cut flowers3US 5,723,407 AMeiji Seika Kaisha, Ltd. · 1998
- Herbicidal urea derivatives1US 4,441,917 AImperial Chemical Industries PLC · 1984