C07C 7/13
By molecular-sieve technique
Official title: by molecular-sieve technique
C07C7/13 (By molecular-sieve technique) appears on 615 US grants and 439 published applications in this corpus.
Search patents in C07C- Granted patents
- 615
- Published applications
- 439
- Assignees
- 190
- Inventors
- 1,109
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 16 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 23 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 22 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 11 |
| 2003 | 12 | 6 |
| 2004 | 9 | 8 |
| 2005 | 8 | 14 |
| 2006 | 9 | 6 |
| 2007 | 4 | 8 |
| 2008 | 10 | 18 |
| 2009 | 7 | 13 |
| 2010 | 15 | 22 |
| 2011 | 12 | 18 |
| 2012 | 12 | 12 |
| 2013 | 18 | 29 |
| 2014 | 18 | 47 |
| 2015 | 31 | 43 |
| 2016 | 31 | 23 |
| 2017 | 17 | 25 |
| 2018 | 35 | 32 |
| 2019 | 23 | 16 |
| 2020 | 23 | 23 |
| 2021 | 14 | 16 |
| 2022 | 17 | 12 |
| 2023 | 14 | 13 |
| 2024 | 9 | 6 |
| 2025 | 7 | 11 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing renewable mono-methyl alkylbenzene products9 Jun 2026US 12,649,702 B2Uop LLC
- Process for dehydration of normal paraffins to olefins12 May 2026US 12,623,982 B2Uop LLC
- Process for separating 1-butene from C4 raffinate gas composition23 Dec 2025US 12,503,415 B2King Fahd University of Petroleum and Minerals
- Hydrocarbon recovery unit with recycle loop for adsorbent bed regeneration9 Dec 2025US 12,492,156 B2BASF SE
- Composite adsorbent for separation of ethylbenzene by adsorption distillation and application thereof14 Oct 2025US 12,441,672 B2China Petroleum & Chemical Corporation
- Process for producing renewable mono-methyl alkylbenzene products17 Sep 2026US 2026/0274769 A1Uop LLC
- Sorption-Enhanced Conversion of Oxygenates to Hydrocarbons20 Aug 2026US 2026/0242671 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Method and apparatus for treating a hydrocarbon mixture6 Aug 2026US 2026/0225975 A1Linde Aktiengesellschaft
- Zeolitic adsorbent for high productivity xylene separation30 Jul 2026US 2026/0216691 A1
- Molecular sieve with point-sieving structure, its preparation method, and application in adsorptive separation of propylene and propane thereof23 Jul 2026US 2026/0208152 A1Zhejiang University
Most cited
By later US patents
- Crystalline silica263US 4,061,724 AUnion Carbide Corporation · 1977
- High efficiency continuous separation process212US 4,402,832 AUop LLC · 1983
- Zeolite ITQ-1169US 6,077,498 AConsejo Superior Investigaciones Cientificas · 2000
- Crystalline silicates and method of preparing the same142US 3,941,871 AMobil Oil Corporation · 1976
- Adsorbent regeneration and gas separation utilizing microwave heating96US 4,322,394 ABattelle Memorial Institute · 1982