C07J 71/0026
Cyclic ketals
Official title: {cyclic ketals}
C07J71/0026 (Cyclic ketals) appears on 185 US grants and 117 published applications in this corpus.
Search patents in C07J- Granted patents
- 185
- Published applications
- 117
- Assignees
- 117
- Inventors
- 496
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 4 |
| 2011 | 0 | 4 |
| 2012 | 3 | 2 |
| 2013 | 1 | 6 |
| 2014 | 5 | 3 |
| 2015 | 4 | 5 |
| 2016 | 2 | 0 |
| 2017 | 3 | 5 |
| 2018 | 5 | 7 |
| 2019 | 3 | 7 |
| 2020 | 6 | 3 |
| 2021 | 2 | 6 |
| 2022 | 4 | 8 |
| 2023 | 5 | 7 |
| 2024 | 4 | 13 |
| 2025 | 8 | 11 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cyclodextrin protein drug conjugates31 Mar 2026US 12,589,101 B2Regeneron Pharmaceuticals, Inc.
- Anti-CD19 antibody drug conjugates25 Nov 2025US 12,478,689 B2AbbVie Biotherapeutics Inc.
- Budesonide 21-phosphate salts and pharmaceutical compositions containing the same11 Nov 2025US 12,465,614 B2Genetic S.P.A.
- Glucocorticoid receptor agonists2 Sep 2025US 12,404,298 B2Eli Lilly and Company
- Steroids and protein-conjugates thereof5 Aug 2025US 12,377,159 B2Regeneron Pharmaceuticals, Inc.
- Glucocorticoid receptor agonists7 May 2026US 2026/0125417 A1Eli Lilly and Company
- Steroids and protein-conjugates thereof26 Feb 2026US 2026/0053937 A1Regeneron Pharmaceuticals, Inc.
- Novel glucocorticoid receptor agonists and immunoconjugates thereof12 Feb 2026US 2026/0041781 A1Adcentrx Therapeutics Inc.
- Budesonide 21-phosphate salts and pharmaceutical compositions containing the same22 Jan 2026US 2026/0021124 A1Genetic S.P.A.
- Glucocorticoid receptor agonists20 Nov 2025US 2025/0353874 A1Eli Lilly and Company
Most cited
By later US patents
- Androstane carbothioates130US 4,335,121 AGlaxo Group Limited · 1982
- Liposomes containing steroid esters102US 4,693,999 AAktiebolaget Draco · 1987
- Redox carriers for brain-specific drug delivery92US 5,087,618 AUniversity of Florida · 1992
- Pregna-1,4-diene3,20-dione-16-17-acetal-21 esters, process for their preparation, composition, and methods for the treatment of inflammatory conditions72US 5,482,934 AEspecialidades Latinas Medicamentos Universales, S.A. (Elmu, S.A.) · 1996
- Nitrosated and nitrosylated compounds and compositions and their use for treating respiratory disorders51US 5,824,669 ANitroMed, Inc. · 1998