C07C 309/40
Containing nitro or nitroso groups bound to the carbon skeleton
Official title: containing nitro or nitroso groups bound to the carbon skeleton
C07C309/40 (Containing nitro or nitroso groups bound to the carbon skeleton) appears on 12 US grants and 10 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 10
- Assignees
- 16
- Inventors
- 56
- Latest grant
- 22 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Colored composition22 Oct 2019US 10,450,462 B2Fujifilm Wako Pure Chemical Corporation
- Titanium ligand-modified black phosphorus and preparation method and use thereof2 Jul 2019US 10,336,615 B2Shenzhen Institutes of Advanced Technology
- Thermal acid generators and photoresist pattern trimming compositions and methods26 Jun 2018US 10,007,179 B2Rohm and Haas Electronic Materials LLC
- Photoresist pattern trimming compositions and methods4 Jul 2017US 9,696,629 B2Rohm and Haas Electronic Materials LLC
- Stilbazolium derivative and nonlinear optical material using the same8 Nov 2016US 9,487,484 B2ARKRAY, Inc.
- Resist underlayer film-forming composition2 Jan 2025US 2025/0004367 A1Nissan Chemical Corporation
- Preparation method of pilocarpine and its intermediate compounds11 Jul 2024US 2024/0228425 A1Zhejiang Ausun Pharmaceutical Co., Ltd.
- Titanium ligand-modified black phosphorus and preparation method and use thereof22 Jun 2017US 2017/0174516 A1Shenzhen Institutes of Advanced Technology
- Thermal acid generators and photoresist pattern trimming compositions and methods4 May 2017US 2017/0123314 A1Rohm and Haas Electronic Materials LLC
- Photoresist pattern trimming compositions and methods30 Jun 2016US 2016/0187783 A1Rohm and Haas Electronic Materials LLC
Most cited
By later US patents
- New quaternary ammonium salts29US 4,834,920 AEastman Kodak Company · 1989
- Semi-continuous process for obtaining amino compounds2US 4,179,476 ACiba-Geigy Corporation · 1979
- Process for preparation of 3,3'- or 3,4'-diamino benzophenone2US 4,556,738 AMitsui Toatsu Chemicals, Inc. · 1985
- Process for preparing distyrylbiphenyl compounds2US 5,929,270 ACiba Specialty Chemicals Corporation · 1999
- Reduction of nitro compounds with aqueous solutions of a formate1US 4,093,646 AImperial Chemical Industries PLC · 1978