C07C 7/148
Purification: by treatment giving rise to a chemical modification of at least
Official title: by treatment giving rise to a chemical modification of at least one compound
C07C7/148 (Purification: by treatment giving rise to a chemical modification of at least) appears on 902 US grants and 597 published applications in this corpus.
Search patents in C07C- Granted patents
- 902
- Published applications
- 597
- Assignees
- 335
- Inventors
- 1,947
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 32 | 0 |
| 1978 | 28 | 0 |
| 1979 | 14 | 0 |
| 1980 | 18 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 22 | 0 |
| 1984 | 27 | 0 |
| 1985 | 23 | 0 |
| 1986 | 16 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 15 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 17 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 26 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 1 |
| 2002 | 22 | 23 |
| 2003 | 23 | 19 |
| 2004 | 16 | 25 |
| 2005 | 7 | 24 |
| 2006 | 17 | 21 |
| 2007 | 15 | 17 |
| 2008 | 22 | 16 |
| 2009 | 11 | 19 |
| 2010 | 15 | 34 |
| 2011 | 13 | 25 |
| 2012 | 9 | 18 |
| 2013 | 19 | 32 |
| 2014 | 18 | 42 |
| 2015 | 29 | 32 |
| 2016 | 23 | 38 |
| 2017 | 25 | 22 |
| 2018 | 31 | 32 |
| 2019 | 30 | 19 |
| 2020 | 27 | 22 |
| 2021 | 19 | 25 |
| 2022 | 19 | 22 |
| 2023 | 21 | 23 |
| 2024 | 25 | 24 |
| 2025 | 20 | 13 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 7/163By hydrogenation336
- C07C 7/14833With metals or their inorganic compounds126
- C07C 7/152By forming adducts or complexes115
- C07C 7/14875With organic compounds110
- C07C 7/14858With inorganic compounds not provided for before47
- C07C 7/17With acids or sulfur oxides42
- C07C 7/177By selective oligomerisation or polymerisation of at least one compound of the38
- C07C 7/14808With non-metals as element30
All 9 subgroupsShow fewer
Recent patents
- Feed purification in ethane ODH process16 Jun 2026US 12,655,079 B2NOVA Chemicals (International) S.A.
- Oxygen removal from an ethane ODH product stream using ethanol2 Jun 2026US 12,643,841 B2NOVA Chemicals (International) S.A.
- Method for reducing risk of burning and explosion in deoxygenation process of oxygen-containing gas21 Apr 2026US 12,606,505 B2China Petroleum & Chemical Corporation
- Catalyst and catalytic oxidation-deoxidation method for unsaturated hydrocarbon-containing gas16 Dec 2025US 12,496,573 B2China Petroleum & Chemical Corporation
- Inherently safe oxygen/hydrocarbon gas mixer9 Dec 2025US 12,491,479 B2NOVA Chemicals (International) S.A.
- Selective hydrodechlorination of liquid and gas streams from plastics pyrolysis processes8 Oct 2026US 2026/0308088 A1BASF SE
- Process for purifying hydrocarbon streams including heterogeneously and homogeneously catalysed reactions3 Sep 2026US 2026/0257976 A1Evonik Oxeno GmbH
- Method for purifying linear alpha olefins23 Jul 2026US 2026/0209144 A1Sabic Global Technologies B.V.
- Methods and systems for producing light olefins and aromatics from gas condensates23 Jul 2026US 2026/0209618 A1Sabic Global Technologies B.V.
- Zeolite composite catalyst and method for hydrocracking cyclic compound having five-membered ring structure using same25 Jun 2026US 2026/0176536 A1Chiyoda Corporation
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Catalytic distillation process146US 4,232,177 AChemical Research & Licensing Company · 1980
- Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation140US 6,518,476 B1Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Process for separating isobutene from C.sub.4 streams110US 4,242,530 AChemical Research & Licensing Company · 1980
- Method and apparatus for sweetening natural gas110US 4,748,011 A1988