C07D 321/12
Eight-membered rings
C07D321/12 (Eight-membered rings) appears on 75 US grants and 53 published applications in this corpus.
Search patents in C07D- Granted patents
- 75
- Published applications
- 53
- Assignees
- 46
- Inventors
- 173
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 4 |
| 2002 | 2 | 1 |
| 2003 | 3 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 4 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 6 |
| 2017 | 4 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 4 | 5 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functional oligomers and functional polymers including hydroxylated polymers and conjugates thereof and uses thereof22 Jul 2025US 12,365,752 B2Massachusetts Institute of Technology
- Treprostinil prodrugs24 Dec 2024US 12,173,021 B2United Therapeutics Corporation
- Electrolytic solution for lithium-ion secondary battery, and lithium-ion secondary battery17 Sep 2024US 12,095,036 B2Murata Manufacturing Co., Ltd.
- Functional oligomers and functional polymers including hydroxylated polymers and conjugates thereof and uses thereof6 Aug 2024US 12,054,570 B2Massachusetts Institute of Technology
- Crosslinked polymers with tunable coefficients of thermal expansion16 Jan 2024US 11,873,301 B2National Technology & Engineering Solutions of Sandia, LLC
- Polymer compositions with thermally contractile molecules10 Sep 2026US 2026/0265448 A1National Technology & Engineering Solutions of Sandia, LLC
- Functional oligomers and functional polymers including hydroxylated polymers and conjugates thereof and uses thereof14 May 2026US 2026/0132237 A1Massachusetts Institute of Technology
- Treprostinil prodrugs15 May 2025US 2025/0154181 A1United Therapeutics Corporation
- Functional oligomers and functional polymers including hydroxylated polymers and conjugates thereof and uses thereof26 Dec 2024US 2024/0425633 A1Massachusetts Institute of Technology
- Onium salt, chemically amplified resist composition, and patterning process14 Nov 2024US 2024/0377733 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Process for the cycloaddition of a halogenated 1,3-dipole compound with a (hetero)cycloalkyne65US 10,266,502 B2Synaffix B.V. · 2019
- Carbocyclic and oxacarbocyclic fumaric acid oligomers38US 7,790,916 B2Biogen Idec International GmbH · 2010
- Carbocyclic and oxacarbocyclic fumaric acid oligomers35US 7,906,659 B2Biogen Idec International GmbH · 2011
- Aryloxypropanolaminotetralins, a process for their preparation and pharmaceutical compositions containing them34US 5,254,595 AElf Sanofi · 1993
- Low calorie substitute for an edible oil29US 5,399,371 AHenkel Corporation · 1995