C07D 251/12
Having three double bonds between ring members or between ring members and
Official title: having three double bonds between ring members or between ring members and non-ring members
C07D251/12 (Having three double bonds between ring members or between ring members and) appears on 2,858 US grants and 2,111 published applications in this corpus.
Search patents in C07D- Granted patents
- 2,858
- Published applications
- 2,111
- Assignees
- 958
- Inventors
- 6,256
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 52 | 0 |
| 1978 | 56 | 0 |
| 1979 | 45 | 0 |
| 1980 | 62 | 0 |
| 1981 | 72 | 0 |
| 1982 | 47 | 0 |
| 1983 | 52 | 0 |
| 1984 | 54 | 0 |
| 1985 | 48 | 0 |
| 1986 | 48 | 0 |
| 1987 | 54 | 0 |
| 1988 | 32 | 0 |
| 1989 | 46 | 0 |
| 1990 | 53 | 0 |
| 1991 | 43 | 0 |
| 1992 | 58 | 0 |
| 1993 | 62 | 0 |
| 1994 | 50 | 0 |
| 1995 | 49 | 0 |
| 1996 | 56 | 0 |
| 1997 | 54 | 0 |
| 1998 | 69 | 0 |
| 1999 | 50 | 0 |
| 2000 | 63 | 0 |
| 2001 | 79 | 17 |
| 2002 | 68 | 57 |
| 2003 | 48 | 94 |
| 2004 | 56 | 78 |
| 2005 | 46 | 65 |
| 2006 | 40 | 56 |
| 2007 | 47 | 61 |
| 2008 | 36 | 54 |
| 2009 | 32 | 72 |
| 2010 | 27 | 67 |
| 2011 | 49 | 61 |
| 2012 | 42 | 77 |
| 2013 | 53 | 75 |
| 2014 | 65 | 81 |
| 2015 | 72 | 83 |
| 2016 | 66 | 92 |
| 2017 | 84 | 119 |
| 2018 | 71 | 101 |
| 2019 | 84 | 97 |
| 2020 | 62 | 101 |
| 2021 | 64 | 92 |
| 2022 | 70 | 115 |
| 2023 | 75 | 146 |
| 2024 | 69 | 105 |
| 2025 | 92 | 90 |
| 2026 | 45 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Triazine silane compound and its usage as adhesion promotor6 Oct 2026US 12,753,194 B2Atotech Deutschland GmbH
- Compound, method for preparing same, and single molecule, oligomer and polymer derived from same29 Sep 2026US 12,747,216 B2LG Chem.Ltd.
- Compound, material for organic electroluminescent element, organic electroluminescent element and electronic device29 Sep 2026US 12,751,204 B2Idemitsu Kosan Co., Ltd.
- Process for preparing N,N′-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine25 Aug 2026US 12,715,845 B2BASF SE
- Poly (melamine-co-oxalyl), methods of synthesizing and using same and articles treated with same18 Aug 2026US 12,709,661 B2State of Israel Prime Minister's Office Israel Institute for Biological Research
- Process for the synthesis of melamine with an optimized dissolution and ammonolysis step8 Oct 2026US 2026/0308133 A1Eurotecnica Contractors & Engineers S.p.A.
- Process for the production of high-purity melamine from the pyrolysis of urea, with optimization of the deammoniation step of the mother liquors8 Oct 2026US 2026/0308134 A1Eurotecnica Contractors & Engineers S.p.A.
- Ortho-phthalaldehyde-functionalized ultravioletabsorbers and visible chromophores for semi-permanent topical applications1 Oct 2026US 2026/0297038 A1The Regents of the University of Colorado, a body corporate
- Melamine process with urea melt-based washing of melamine offgas1 Oct 2026US 2026/0297039 A1Casale SA
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Medicaments for the treatment of disorders of lipometabolism and their use138US 4,405,644 ABayer Aktiengesellschaft · 1983
- Novel polytriazine compounds135US 4,086,204 AChimosa Chimica Organica S.p.A. · 1978
- Herbicidal sulfonamides124US 4,127,405 AE. I. Du Pont de Nemours and Company · 1978
- Radiation-sensitive copying composition118US 4,189,323 AHoechst Aktiengesellschaft · 1980
- Process for the preparation of polyisocyanates containing isocyanurate groups and the use thereof112US 4,324,879 ABayer Aktiengesellschaft · 1982