C07C 51/47
By solid-liquid treatment
Official title: by solid-liquid treatment; by chemisorption
C07C51/47 (By solid-liquid treatment) appears on 494 US grants and 485 published applications in this corpus.
Search patents in C07C- Granted patents
- 494
- Published applications
- 485
- Assignees
- 317
- Inventors
- 1,356
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 2 |
| 2002 | 21 | 8 |
| 2003 | 14 | 14 |
| 2004 | 7 | 13 |
| 2005 | 2 | 11 |
| 2006 | 9 | 10 |
| 2007 | 12 | 23 |
| 2008 | 12 | 14 |
| 2009 | 8 | 16 |
| 2010 | 8 | 9 |
| 2011 | 19 | 13 |
| 2012 | 13 | 21 |
| 2013 | 6 | 19 |
| 2014 | 17 | 11 |
| 2015 | 14 | 28 |
| 2016 | 32 | 37 |
| 2017 | 25 | 25 |
| 2018 | 23 | 25 |
| 2019 | 21 | 27 |
| 2020 | 21 | 14 |
| 2021 | 20 | 26 |
| 2022 | 15 | 31 |
| 2023 | 13 | 28 |
| 2024 | 18 | 26 |
| 2025 | 13 | 16 |
| 2026 | 8 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Purification device22 Sep 2026US 12,741,924 B2Nippon Shokubai Co., Ltd.
- Method of producing carboxylic acid18 Aug 2026US 12,709,763 B2Toray Industries, Inc.
- Plant extracts enriched with ipolamiide derivatives as immunosuppressants for treating immunological disorders4 Aug 2026US 12,698,265 B2Ache Laboratorios Farmaceuticos S/A
- Methods and systems for concentrating acetic acid solutions with a multi-tier, ultrahigh pressure reverse osmosis26 May 2026US 12,637,404 B2Porifera, Inc.
- Production and purification of acetic acid14 Apr 2026US 12,600,692 B2Celanese International Corporation
- Method for obtaining organic acids from an aqueous mother liquor10 Sep 2026US 2026/0265175 A1Covestro Deutschland AG
- Compounds, process of production of compounds, enriched extract, enriched extract active fractions, enriched extract process of production, method for selecting vegetal biomass for enriched extract production, composition and use for treatment of immunological disorders10 Sep 2026US 2026/0265213 A1Ache Laboratorios Farmaceuticos S/A
- Concentration of aqueous acetic acid by clathrate hydrate formation23 Jul 2026US 2026/0209156 A1NOVA Chemicals (International) S.A.
- Gemcabene, pharmaceutically acceptable salts thereof, compositions thereof and methods of use therefor23 Jul 2026US 2026/0209157 A1MetaVia Inc.
- Electro-fenton depolymerization of waste plastics into value-added chemicals23 Jul 2026US 2026/0209464 A1Battelle Memorial Institute
Most cited
By later US patents
- Low energy carbonylation process242US 6,657,078 B2Celanese International Corporation · 2003
- Preparation of microbial polyunsaturated fatty acid containing oil from pasteurized biomass163US 6,441,208 B2Dsm N. V. · 2002
- Method and apparatus for sequesting entrained and volatile catalyst species in a carbonylation process161US 6,627,770 B1Celanese International Corporation · 2003
- Microbial polyunsaturated fatty acid containing oil from pasteurised biomass148US 6,255,505 B1Gist-Brocades N. V. · 2001
- Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth148US 6,368,819 B1Bioengineering Resources, Inc. · 2002