C07C 29/42
With compounds containing triple carbon-to-carbon bonds
Official title: with compounds containing triple carbon-to-carbon bonds, e.g. with metal-alkynes
C07C29/42 (With compounds containing triple carbon-to-carbon bonds) appears on 193 US grants and 56 published applications in this corpus.
Search patents in C07C- Granted patents
- 193
- Published applications
- 56
- Assignees
- 66
- Inventors
- 311
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 27 | 0 |
| 1979 | 20 | 0 |
| 1980 | 27 | 0 |
| 1981 | 15 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 3 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 7 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 5 | 6 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Copper aluminum catalyst used for 1,4-butynediol production30 Jun 2026US 12,667,827 B2BASF SE
- Method for addition reaction of acetylene and ketone compound2 Sep 2025US 12,404,226 B2Asymchem Life Science (Tianjin) Co., Ltd
- Method for preparing crosslinker compound21 May 2024US 11,987,550 B2LG Chem.Ltd.
- (6Z,9Z)-6,9-dodecadien-1-yne and a process for preparing the same10 Oct 2023US 11,780,791 B2Shin-Etsu Chemical Co., Ltd.
- 6-chromanol derivatives and their synthesis3 Aug 2021US 11,078,178 B2Dsm IP Assets B.V.
- Syntheses of compounds useful for producing treprostinil19 Jun 2025US 2025/0197338 A1United Therapeutics Corporation
- Process for ethynylating specific alpha, beta-unsaturated ketones20 Feb 2025US 2025/0059118 A1Dsm IP Assets B.V.
- Process for the synthesis of propargylic alcohol by reacting formaldehyde with acetylene in the presence of a homogeneous copper catalyst5 Sep 2024US 2024/0294449 A1BASF SE
- Trans-cyclooctenes with high reactivity and favorable physiochemical properties19 Oct 2023US 2023/0331652 A1University of Delaware
- Copper aluminum catalyst used for 1,4-butynediol production5 Oct 2023US 2023/0311100 A1BASF SE
Most cited
By later US patents
- Treprostinil production72US 8,481,782 B2United Therapeutics Corporation · 2013
- Treprostinil production45US 8,940,930 B2United Therapeutics Corporation · 2015
- Flavoring with substituted norbornane derivatives35US 4,076,853 AInternational Flavors & Fragrances Inc. · 1978
- Lithium 3-triphenylmethoxy-1-trans-alkenyl-dialkyl alanates28US 3,932,479 AAmerican Cyanamid Company · 1976
- 7-oxabicycloheptane and 7-oxabicycloheptene compounds24US 4,614,825 AE. R. Squibb & Sons, Inc. · 1986