C07C 29/095
Of esters of organic acids
Official title: {of esters of organic acids}
C07C29/095 (Of esters of organic acids) appears on 259 US grants and 165 published applications in this corpus.
Search patents in C07C- Granted patents
- 259
- Published applications
- 165
- Assignees
- 169
- Inventors
- 679
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 12 | 0 |
| 1980 | 18 | 0 |
| 1981 | 23 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 2 |
| 2002 | 3 | 4 |
| 2003 | 5 | 6 |
| 2004 | 3 | 5 |
| 2005 | 6 | 4 |
| 2006 | 1 | 6 |
| 2007 | 6 | 9 |
| 2008 | 7 | 6 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 2 | 8 |
| 2012 | 6 | 7 |
| 2013 | 5 | 8 |
| 2014 | 4 | 8 |
| 2015 | 10 | 7 |
| 2016 | 3 | 7 |
| 2017 | 4 | 5 |
| 2018 | 7 | 5 |
| 2019 | 3 | 4 |
| 2020 | 8 | 6 |
| 2021 | 4 | 6 |
| 2022 | 1 | 9 |
| 2023 | 3 | 8 |
| 2024 | 4 | 8 |
| 2025 | 4 | 8 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from isobutanol using a homogeneous catalyst17 Mar 2026US 12,577,184 B2Eastman Chemical Company
- Methods for functionalization hydrocarbons24 Feb 2026US 12,559,448 B2California Institute of Technology
- Process and system for depolymerizing plastic3 Feb 2026US 12,540,227 B2Syre Inc.
- Method for preparing glycollate by electro-catalyzing ethylene glycol or electro-catalytically reforming waste plastic polyethylene terephthalate (PET)20 Jan 2026US 12,529,152 B2Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Methanol and sulfuric acid co-production system16 Dec 2025US 12,496,533 B2Korea Institute of Science and Technology
- Method for depolymerizing polyester1 Oct 2026US 2026/0297285 A1Kirin Holdings Kabushiki Kaisha
- Method for depolymerising a polyester comprising polyethylene terephthalate by recirculating an oligomer effluent1 Oct 2026US 2026/0297286 A1Ifp Energies Nouvelles
- Decomposition method for polyester-based resin and decomposition apparatus for polyester-based resin17 Sep 2026US 2026/0275071 A1Nitto Denko Corporation
- Method Of Depolymerizing A Polymer Into Monomer And Use Of A Salt In Such A Method30 Jul 2026US 2026/0217940 A1Ioniqa Solutions B.V.
- Degradation Of Plastic Materials Into Terephthalic Acid (TPA), Ethylene Glycol And/Or Other Monomers That Form The Plastic Materials11 Jun 2026US 2026/0159469 A1Ecole Polytechnique Federale De Lausanne (Epfl)
Most cited
By later US patents
- Process for concurrent hydrolysis of esters and separation of products using a simulated moving bed68US 5,502,248 AUop LLC · 1996
- Metathesis syntheses of pheromones or their components65US 6,696,597 B2TillieChem, Inc. · 2004
- Method for producing monoethylene glycol63US 6,080,897 AMitsubishi Chemical Corporation · 2000
- Impurity inhibition in olefin metathesis reactions57US 6,900,347 B2TillieChem, Inc. · 2005
- Novel tri-phenyl alkane and alkene derivatives and their preparation and use56US 4,696,949 AFarmos Group Ltd. · 1987