C12N 2533/72
Chitin, chitosan
C12N2533/72 (Chitin, chitosan) appears on 95 US grants and 182 published applications in this corpus.
Search patents in C12N- Granted patents
- 95
- Published applications
- 182
- Assignees
- 133
- Inventors
- 416
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 7 |
| 2003 | 4 | 5 |
| 2004 | 3 | 15 |
| 2005 | 7 | 11 |
| 2006 | 2 | 5 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 5 |
| 2012 | 2 | 7 |
| 2013 | 2 | 7 |
| 2014 | 5 | 10 |
| 2015 | 6 | 5 |
| 2016 | 3 | 1 |
| 2017 | 6 | 8 |
| 2018 | 3 | 7 |
| 2019 | 5 | 5 |
| 2020 | 4 | 10 |
| 2021 | 2 | 11 |
| 2022 | 4 | 15 |
| 2023 | 5 | 12 |
| 2024 | 3 | 6 |
| 2025 | 7 | 12 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing cellular spheroid and method for producing extracellular vesicles by using cellular spheroid prepared by such method21 Jul 2026US 12,686,848 B2Sphebio Co., Ltd.
- Frozen, porous thin films and methods of making and use thereof3 Feb 2026US 12,539,352 B2University of Central Florida Research Foundation, Inc.
- Compositions, apparatuses and methods for making and using bioscaffolds23 Dec 2025US 12,503,686 B2The Research Foundation for The State University of New York
- Functional microbiological coating30 Sep 2025US 12,426,601 B2Biofinish International B.V.
- Generation of midbrain-specific organoids from human pluripotent stem cells30 Sep 2025US 12,428,623 B2Agency for Science, Technology and Research
- Compositions, devices and methods for the control in vitro of chemical microambient in cell cultures6 Aug 2026US 2026/0226408 A1Alma Mater Studiorum - Università di Bologna
- High-reactivity hydrogel particle and preparation method therefor and use thereof19 Mar 2026US 2026/0078338 A1Nanjing Tech University
- Hydrogel with a hydrophilic thickening polymer and particles of eggshell membrane, and its bioprinted products22 Jan 2026US 2026/0022330 A1Centre Hospitalier Universitaire De Nice
- Tissue regeneration promotion sheet18 Dec 2025US 2025/0381316 A1Fujita Academy
- Apparatus, system, and method for forming a perturbable bone marrow model within a three-dimensional microphysiological system2 Oct 2025US 2025/0304892 A1
Most cited
By later US patents
- Biocompatible devices with foam scaffolds984US 6,054,142 ACyto Therapeutics, Inc. · 2000
- Simultaneous stimulation and concentration of cells422US 6,797,514 B2XCYTE Therapies, Inc. · 2004
- Simultaneous stimulation and concentration of cells398US 6,867,041 B2XCYTE Therapies, Inc. · 2005
- Simultaneous stimulation and concentration of cells383US 6,905,874 B2XCYTE Therapies, Inc. · 2005
- Biocompatible devices with foam scaffolds353US 6,231,879 B1Neurotech S.A. · 2001