B01J 13/0052
Preparation of gels
Official title: {Preparation of gels}
B01J13/0052 (Preparation of gels) appears on 358 US grants and 403 published applications in this corpus.
Search patents in B01J- Granted patents
- 358
- Published applications
- 403
- Assignees
- 309
- Inventors
- 1,121
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 10 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 13 |
| 2003 | 6 | 10 |
| 2004 | 8 | 8 |
| 2005 | 8 | 8 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 2 | 7 |
| 2009 | 3 | 8 |
| 2010 | 2 | 10 |
| 2011 | 4 | 7 |
| 2012 | 6 | 12 |
| 2013 | 4 | 16 |
| 2014 | 6 | 15 |
| 2015 | 14 | 9 |
| 2016 | 6 | 12 |
| 2017 | 13 | 24 |
| 2018 | 10 | 30 |
| 2019 | 17 | 37 |
| 2020 | 28 | 35 |
| 2021 | 22 | 34 |
| 2022 | 21 | 20 |
| 2023 | 20 | 25 |
| 2024 | 17 | 18 |
| 2025 | 17 | 22 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method of high-efficiency gel for seawater desalination6 Oct 2026US 12,752,249 B2Shanghai Maritime University
- Self-healing metal-ligand polymeric materials25 Aug 2026US 12,716,017 B2The Regents of the University of Michigan
- Method for producing hydrogen gas-containing material and device for producing hydrogen gas-containing material21 Jul 2026US 12,685,328 B2Shinryo Corporation
- Three dimensional multiphasic structures via vaporization induced phase separation (VIPS)2 Jun 2026US 12,643,082 B2The Trustees of the University of Pennsylvania
- Process and plant for manufacturing aqueous polyacrylamide gels26 May 2026US 12,637,528 B2BASF SE
- The method of obtaining polyacrylamide hydrogels through continuous frontal polymerization8 Oct 2026US 2026/0307050 A1Green Evolution Technologies, Inc.
- High concentration hydrogels and related methods10 Sep 2026US 2026/0265466 A1Advanced Aesthetic Technologies, Inc.
- Ingestible device and process for collecting gastrointestinal samples27 Aug 2026US 2026/0248489 A1
- Hydrogel Particle Encapsulated Viable Cells for In Vivo Regenerative Treatment30 Jul 2026US 2026/0216249 A1CellDrop Biosciences, Inc.
- Hydrogel materials16 Jul 2026US 2026/0198409 A1Khalifa University of Science and Technology
Most cited
By later US patents
- Visco-elastic, isotropic materials based on water, fluorinate sufactants and fluorinated oils, process for their preparation, and their use in various fields, such as optics, pharmacology and electrodynamics274US 5,185,099 AInstitut National de Recherche Chimique Appliquee · 1993
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Polymerized crystalline colloidal array sensor methods243US 5,854,078 AUniversity of Pittsburgh · 1998
- Assays and other reactions involving droplets233US 9,029,085 B2President and Fellows of Harvard College · 2015
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002