B01J 13/20
After-treatment of capsule walls
Official title: After-treatment of capsule walls, e.g. hardening
B01J13/20 (After-treatment of capsule walls) appears on 642 US grants and 881 published applications in this corpus.
Search patents in B01J- Granted patents
- 642
- Published applications
- 881
- Assignees
- 502
- Inventors
- 2,177
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 5 | 6 |
| 2003 | 7 | 17 |
| 2004 | 11 | 17 |
| 2005 | 4 | 14 |
| 2006 | 11 | 21 |
| 2007 | 3 | 18 |
| 2008 | 2 | 8 |
| 2009 | 7 | 19 |
| 2010 | 5 | 20 |
| 2011 | 5 | 28 |
| 2012 | 12 | 27 |
| 2013 | 12 | 25 |
| 2014 | 13 | 32 |
| 2015 | 25 | 44 |
| 2016 | 14 | 38 |
| 2017 | 35 | 47 |
| 2018 | 32 | 61 |
| 2019 | 36 | 59 |
| 2020 | 47 | 63 |
| 2021 | 43 | 58 |
| 2022 | 30 | 65 |
| 2023 | 33 | 62 |
| 2024 | 39 | 63 |
| 2025 | 49 | 37 |
| 2026 | 24 | 28 |
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.
- Processes of preparing mRNA-loaded lipid nanoparticles15 Sep 2026US 12,734,253 B2Translate Bio, Inc.
- Encased oil core microcapsules1 Sep 2026US 12,722,133 B2Microcaps AG
- Colloidosome with variable pore size and preparation method thereof21 Jul 2026US 12,685,984 B2China Academy of Safety Science and Technology
- Nanoparticle templates and methods of use for making hollow nanoparticles21 Jul 2026US 12,685,985 B2The Board of Regents of the University of Oklahoma
- Capsule drying method8 Oct 2026US 2026/0307036 A1Kapsera
- Resin mixture for 3d-printer manufacturing, 3d-printer manufacturing material, manufactured body, and manufacturing method10 Sep 2026US 2026/0265549 A1Zeon Corporation
- Systems and methods for encapsulation and multi step processing of biological samples10 Sep 2026US 2026/0266704 A1
- Tunable Structure of Biodegradable Silk-Based Microcapsules for Soluble and Insoluble Payload Delivery3 Sep 2026US 2026/0257186 A1
- Microcapsules13 Aug 2026US 2026/0234456 A1Albotherm Limited
Most cited
By later US patents
- Encapsulated chemicals for use in controlled time release applications and methods314US 6,527,051 B1Halliburton Energy Services.Inc. · 2003
- Encapsulated chemicals for use in controlled time release applications and methods279US 6,554,071 B1Halliburton Energy Services.Inc. · 2003
- Methods of making fluorescent microspheres218US 5,194,300 A1993
- Fluorescent microspheres and methods of using them164US 5,132,242 A1992
- Reversible microencapsulation of a core material151US 4,407,957 ADamon Corporation · 1983