C07C 29/44
Increasing the number of carbon atoms by addition reactions, i.e. reactions involving
Official title: increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence)
C07C29/44 (Increasing the number of carbon atoms by addition reactions, i.e. reactions involving) appears on 122 US grants and 93 published applications in this corpus.
Search patents in C07C- Granted patents
- 122
- Published applications
- 93
- Assignees
- 69
- Inventors
- 281
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 0 | 4 |
| 2004 | 3 | 5 |
| 2005 | 4 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 9 |
| 2014 | 4 | 7 |
| 2015 | 6 | 7 |
| 2016 | 7 | 8 |
| 2017 | 2 | 4 |
| 2018 | 9 | 7 |
| 2019 | 5 | 6 |
| 2020 | 5 | 4 |
| 2021 | 5 | 5 |
| 2022 | 1 | 5 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Efficient method of synthesizing linear oligomers and application to frontal ring-opening metathesis polymerization29 Sep 2026US 12,747,318 B2The Board of Trustees of the University of Illinois
- Method for producing organic compound24 Feb 2026US 12,559,468 B2Daikin Industries, Ltd.
- Sandalwood-type fragrance compounds9 Sep 2025US 12,410,113 B2Symrise AG
- Stable formulations of 1-Z-bromoalk-1-ene compounds and use thereof in the manufacture of pheromones22 Apr 2025US 12,281,068 B2Melchior Material and Life Science France
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Method for producing organic compound4 Jun 2026US 2026/0152479 A1Daikin Industries, Ltd.
- Process for making ethanolamines, polyethylenimine and ammonia based on non-fossil energy2 Oct 2025US 2025/0304527 A1BASF SE
- Production method of 2,7-octadien-1-ol12 Jun 2025US 2025/0188007 A1Kuraray Co., Ltd.
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
- Methods and compositions for the catalytic upgrading of alcohols5 Sep 2024US 2024/0294450 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Metathesis syntheses of pheromones or their components65US 6,696,597 B2TillieChem, Inc. · 2004
- Impurity inhibition in olefin metathesis reactions57US 6,900,347 B2TillieChem, Inc. · 2005
- Conversion of polar compounds using a ZSM-5 zeolite catalyst47US 4,011,278 AMobil Oil Corporation · 1977
- Telomerization process using sulfonated triarylphosphine and transition metal32US 4,142,060 ARhone-Poulenc Industries · 1979
- Conversion of polar compounds using a ZSM-5 zeolite catalyst27US 4,306,106 AMobil Oil Corporation · 1981