B01J 13/02
Making microcapsules or microballoons
Official title: Making microcapsules or microballoons {(for medical preparations A61K9/50)}
B01J13/02 (Making microcapsules or microballoons) appears on 3,105 US grants and 3,494 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,105
- Published applications
- 3,494
- Assignees
- 1,678
- Inventors
- 8,188
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 31 | 0 |
| 1978 | 36 | 0 |
| 1979 | 15 | 0 |
| 1980 | 31 | 0 |
| 1981 | 32 | 0 |
| 1982 | 22 | 0 |
| 1983 | 34 | 0 |
| 1984 | 27 | 0 |
| 1985 | 27 | 0 |
| 1986 | 30 | 0 |
| 1987 | 35 | 0 |
| 1988 | 31 | 0 |
| 1989 | 32 | 0 |
| 1990 | 53 | 0 |
| 1991 | 36 | 0 |
| 1992 | 40 | 0 |
| 1993 | 42 | 0 |
| 1994 | 32 | 0 |
| 1995 | 33 | 0 |
| 1996 | 57 | 0 |
| 1997 | 56 | 0 |
| 1998 | 60 | 0 |
| 1999 | 53 | 0 |
| 2000 | 54 | 0 |
| 2001 | 63 | 18 |
| 2002 | 57 | 70 |
| 2003 | 67 | 97 |
| 2004 | 54 | 123 |
| 2005 | 35 | 101 |
| 2006 | 55 | 104 |
| 2007 | 48 | 109 |
| 2008 | 32 | 91 |
| 2009 | 42 | 109 |
| 2010 | 47 | 126 |
| 2011 | 56 | 142 |
| 2012 | 56 | 116 |
| 2013 | 70 | 120 |
| 2014 | 80 | 120 |
| 2015 | 112 | 149 |
| 2016 | 89 | 146 |
| 2017 | 136 | 187 |
| 2018 | 120 | 212 |
| 2019 | 134 | 176 |
| 2020 | 145 | 206 |
| 2021 | 149 | 153 |
| 2022 | 111 | 202 |
| 2023 | 96 | 198 |
| 2024 | 106 | 180 |
| 2025 | 135 | 148 |
| 2026 | 81 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and systems for encapsulating lyophilised microspheres6 Oct 2026US 12,753,433 B2Illumina, Inc.
- Color changing materials arranged in slow particle coloration materials29 Sep 2026US 12,748,301 B2adidas AG
- Processes of preparing mRNA-loaded lipid nanoparticles15 Sep 2026US 12,734,253 B2Translate Bio, Inc.
- High amylose starch based capsules and method of making same15 Sep 2026US 12,734,497 B2V. Mane Fils
- Encased oil core microcapsules1 Sep 2026US 12,722,133 B2Microcaps AG
- Microcapsules comprising bio-based phase change materials8 Oct 2026US 2026/0307035 A1Dow Global Technologies LLC
- Capsule drying method8 Oct 2026US 2026/0307036 A1Kapsera
- Treatment compositions containing particles having certain resins8 Oct 2026US 2026/0308488 A1The Procter & Gamble Company
- Encapsulant-containing polymer capsules and fibers and composites including same8 Oct 2026US 2026/0308808 A1Arizona Board of Regents on behalf of Arizona State University
- Disk-based microfluidic platform for manufacturing lipid nanoparticles using centrifugal force and method using same1 Oct 2026US 2026/0294825 A1Korea University Research and Business Foundation
Most cited
By later US patents
- Renewable neural implant device and method1,456US 5,554,148 ABrown University Research Foundation · 1996
- Encapsulation of biological material667US 4,352,883 ADamon Corporation · 1982
- Microencapsulation process494US 4,389,330 AStolle Research & Development Corporation · 1983
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers410US 4,784,736 ABend Research, Inc. · 1988
- Process for producing emulsion and microcapsules and apparatus therefor402US 7,268,167 B2Japan Science and Technology Agency · 2007