C07C 29/09
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: by hydrolysis
C07C29/09 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 891 US grants and 563 published applications in this corpus.
Search patents in C07C- Granted patents
- 891
- Published applications
- 563
- Assignees
- 412
- Inventors
- 1,941
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 30 | 0 |
| 1979 | 34 | 0 |
| 1980 | 42 | 0 |
| 1981 | 55 | 0 |
| 1982 | 27 | 0 |
| 1983 | 25 | 0 |
| 1984 | 29 | 0 |
| 1985 | 28 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 16 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 4 |
| 2002 | 21 | 13 |
| 2003 | 13 | 23 |
| 2004 | 10 | 27 |
| 2005 | 20 | 27 |
| 2006 | 14 | 24 |
| 2007 | 18 | 25 |
| 2008 | 22 | 19 |
| 2009 | 14 | 25 |
| 2010 | 12 | 24 |
| 2011 | 15 | 19 |
| 2012 | 21 | 32 |
| 2013 | 21 | 25 |
| 2014 | 17 | 27 |
| 2015 | 36 | 24 |
| 2016 | 19 | 17 |
| 2017 | 14 | 17 |
| 2018 | 19 | 21 |
| 2019 | 12 | 15 |
| 2020 | 26 | 13 |
| 2021 | 13 | 24 |
| 2022 | 11 | 28 |
| 2023 | 16 | 24 |
| 2024 | 14 | 24 |
| 2025 | 20 | 28 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recycling of polyacetal for the production of polyoxymethylene dialkyl ethers22 Sep 2026US 12,742,054 B2Chemcom Investments BV
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Process of making organic compounds1 Sep 2026US 12,723,012 B2Givaudan SA
- System and process for producing glycols18 Aug 2026US 12,709,590 B2Sabic Global Technologies B.V.
- Hydrocarbon pyrolysis with less exhaust emission12 May 2026US 12,624,295 B2ExxonMobil Chemical Patents Inc.
- Processes for preparing 3-isopropenyl-6-heptenal compound and 6-isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, process for preparing intermediate thereof, and intermediate thereof8 Oct 2026US 2026/0308091 A1Shin-Etsu Chemical Co., Ltd.
- Polyethylene terephthalate produced from used tires1 Oct 2026US 2026/0297247 A1
- 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
Most cited
By later US patents
- Process for producing adipic acid from biomass90US 4,400,468 AHydrocarbon Research, Inc. · 1983
- Method for producing para-menthane-3,8-diol85US 5,959,161 ATakasago International Corporation · 1999
- Integrated process for synthesizing alcohols, ethers, and olefins from alkanes79US 6,465,699 B1GRI, Inc. · 2002
- Zone reactor71US 7,361,794 B2GRT, Inc. · 2008
- Process for concurrent hydrolysis of esters and separation of products using a simulated moving bed68US 5,502,248 AUop LLC · 1996