C07C 37/685
Processes comprising at least two steps in series
Official title: {Processes comprising at least two steps in series}
C07C37/685 (Processes comprising at least two steps in series) appears on 192 US grants and 129 published applications in this corpus.
Search patents in C07C- Granted patents
- 192
- Published applications
- 129
- Assignees
- 119
- Inventors
- 485
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 13 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 8 | 4 |
| 2005 | 5 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 6 | 3 |
| 2010 | 2 | 5 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 4 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 5 |
| 2019 | 8 | 10 |
| 2020 | 9 | 16 |
| 2021 | 13 | 12 |
| 2022 | 8 | 11 |
| 2023 | 8 | 14 |
| 2024 | 2 | 3 |
| 2025 | 6 | 10 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process configuration for a single phenol purification train for production of phenol and bisphenol-A in an integrated process25 Aug 2026US 12,715,830 B2Sabic Global Technologies B.V.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same28 Jul 2026US 12,692,358 B2LG Chem.Ltd.
- Method for selective recovery of hydrophobic compounds14 Jul 2026US 12,678,472 B2Grow Biotech PLC
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,266 B2LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,267 B2LG Chem.Ltd.
- Method of purifying cannabinoid components from plant extracts10 Sep 2026US 2026/0265167 A1
- Monomer composition for synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same10 Sep 2026US 2026/0265483 A1LG Chem.Ltd.
- Alkyl bisphenol composition and method for preparing the same2 Jul 2026US 2026/0184658 A1Industrial Technology Research Institute
- Method for degrading polycarbonate5 Feb 2026US 2026/0035535 A1Nan Ya Plastics Corporation
- Compositions and methods to separate cannabinoids from impurities by crystallization4 Dec 2025US 2025/0368594 A1Natural Extraction Systems, LLC
Most cited
By later US patents
- Distillation process for recovery of high purity phenol78US 5,064,507 AAllied-Signal Inc. · 1991
- Purification of phenol with reduced energy consumption24US 4,298,765 AAllied Corporation · 1981
- Countercurrent multi-stage water crystallization of aromatic compounds23US 4,861,919 AThe Dow Chemical Company · 1989
- Process for obtaining high purity bisphenol A22US 4,354,046 AThe Dow Chemical Company · 1982
- Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves20US 10,189,762 B1Orochem Technologies Inc. · 2019