C07C 2/38
Of dienes or alkynes
Official title: of dienes or alkynes
C07C2/38 (Of dienes or alkynes) appears on 59 US grants and 45 published applications in this corpus.
Search patents in C07C- Granted patents
- 59
- Published applications
- 45
- Assignees
- 49
- Inventors
- 142
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 6 |
| 2018 | 5 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 3 | 9 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Purification of waste plastics based oil via a polymerization19 May 2026US 12,630,768 B2Totalenergies Onetech
- Process for the purification of waste plastics based oil with the help of basic compounds17 Mar 2026US 12,577,471 B2Totalenergies Onetech
- Process for the recycling of waste plastics based oil23 Dec 2025US 12,503,653 B2Totalenergies Onetech
- Production of ethylene and propylene from pyrolysis plastic oil23 Sep 2025US 12,421,457 B2Totalenergies Onetech
- Process for the recycling and cracking waste plastics based oil2 Sep 2025US 12,404,459 B2Totalenergies Onetech
- Oligomeric Product Made Out of Pyrolysis Oil Via a Polymerization2 Oct 2025US 2025/0304513 A1Totalenergies Onetech
- Production of ethylene and propylene from pyrolysis plastic oil21 Aug 2025US 2025/0263352 A1Totalenergies Onetech
- Rubber product made out of pyrolysis oil via a polymerization21 Aug 2025US 2025/0263535 A1Totalenergies Onetech
- Low molecular weight low tg hydrocarbon resins, rubber compositions, and tire compositions21 Aug 2025US 2025/0263539 A1Resin Solutions, LLC
- Adhesive product made out of pyrolysis oil via a polymerization21 Aug 2025US 2025/0263585 A1Totalenergies Onetech
Most cited
By later US patents
- Homogeneous rhenium catalysts for metathesis of olefins39US 5,146,033 AMassachusetts Institute of Technology · 1992
- Diacetylenes having liquid crystal phases35US 4,615,962 AUniversity Patents, Inc. · 1986
- Catalyst of polymerization, copolymerization and oligomerization of olefins and drolefins16US 4,147,664 A1979
- Squalane and isosqualane compositions and methods for preparing the same14US 8,586,814 B2Amyris, Inc. · 2013
- Production of high-vinyl group, low-molecular weight unsaturated hydrocarbon polymers12US 3,983,183 AChemische Werke Huls Aktiengesellschaft · 1976