B01J 13/025
Applications of microcapsules not provided for in other subclasses
Official title: {Applications of microcapsules not provided for in other subclasses}
B01J13/025 (Applications of microcapsules not provided for in other subclasses) appears on 63 US grants and 35 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 35
- Assignees
- 54
- Inventors
- 141
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 5 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 3 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 4 | 5 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Object delivery systems and related methods12 May 2026US 12,623,221 B2The Regents of the University of California
- Microchannel device, and high-oil-load microcapsule and method for preparing the same using the microchannel device23 Sep 2025US 12,420,282 B2Nanchang University
- Phase change microcapsule for drilling fluid cooling and its preparation method and application5 Aug 2025US 12,378,458 B1China University of Petroleum (East China)
- Multisomes: encapsulated droplet networks4 Jun 2024US 11,998,642 B2Oxford University Innovation Limited
- Covalent organic frameworks for improved oil recovery20 Feb 2024US 11,905,464 B2Saudi Arabian Oil Company
- Phase change microcapsule for drilling fluid cooling and its preparation method and application7 Aug 2025US 2025/0250474 A1China University of Petroleum (East China)
- Compartmentalised combinatorial chemistry by microfluidic control16 Nov 2023US 2023/0366125 A1President and Fellows of Harvard College
- Method for controlling encapsulation efficiency and burst release of water soluble molecules from nanoparticles and microparticles produced by inverse flash nanoprecipitation9 Nov 2023US 2023/0356169 A1TheTrustees of Princeton University
- Microchannel device, and high-oil-load microcapsule and method for preparing the same using the microchannel device2 Nov 2023US 2023/0347348 A1Nanchang University
- Object delivery systems and related methods14 Sep 2023US 2023/0285973 A1The Regents of the University of California
Most cited
By later US patents
- Polymer composite for controlled release or membrane formation220US 4,898,734 AMassachusetts Institute of Technology · 1990
- Microcapsule having temperature-dependent permeability profile168US 5,120,349 ALandec Labs, Inc. · 1992
- Process of preparing microcapsules of lactides or lactide copolymers with glycolides and/or .epsilon.-caprolactones131US 4,637,905 ABatelle Development Corporation · 1987
- Fragrance impregnated fabric94US 4,514,461 A1985
- Package containing a reference liquid for blood gas equipment92US 4,116,336 ARadiometer A/S · 1978