C07C 309/70
Of a carbon skeleton substituted by carboxyl groups
Official title: of a carbon skeleton substituted by carboxyl groups
C07C309/70 (Of a carbon skeleton substituted by carboxyl groups) appears on 16 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 16
- Published applications
- 15
- Assignees
- 20
- Inventors
- 68
- Latest grant
- 18 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fatty amides and derivatives from natural oil metathesis18 Jun 2019US 10,322,994 B2Stepan Company
- Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators29 May 2018US 9,983,475 B2Central Glass Company, Limited
- Non-ionic low diffusing photo-acid generators24 Apr 2018US 9,950,999 B2Central Glass Company, Limited
- Non-ionic aryl ketone based polymeric photo-acid generators24 Apr 2018US 9,951,164 B2Central Glass Company, Limited
- Imidazoline amides and derivitives from natural oil metathesis21 Feb 2017US 9,573,884 B2Stepan Company
- Novel surfactants derived from glycidyl esters of rosin acids26 Mar 2026US 2026/0085032 A1Lamberti SPA
- Radioactive halogen labeling precursor compound1 Feb 2024US 2024/0034721 A1Fukushima Medical University
- Nurr1 receptor modulators2 Mar 2023US 2023/0063230 A1ShangPharma Innovation Inc.
- Non-ionic low diffusing photo-acid generators15 Feb 2018US 2018/0044284 A1Central Glass Company, Limited
- Non-ionic aryl ketone based polymeric photo-acid generators15 Feb 2018US 2018/0044459 A1Central Glass Company, Limited
Most cited
By later US patents
- Sulfonate ACAT inhibitors25US 5,510,379 AWarner-Lambert Company · 1996
- Cyan dye-forming couplers and photographic materials containing same21US 4,849,328 AEastman Kodak Company · 1989
- Affinity labelling enzymes with esters of aromatic sulfonic acids2US 4,001,087 AUnited States of America · 1977
- Fatty amides and derivatives from natural oil metathesis1US 10,322,994 B2Stepan Company · 2019
- Process for producing alpha-sulfophenylacetic acid derivatives1US 4,026,940 ATakeda Chemical Industries, Ltd. · 1977