C12N 2533/32
Polylysine, polyornithine
C12N2533/32 (Polylysine, polyornithine) appears on 132 US grants and 201 published applications in this corpus.
Search patents in C12N- Granted patents
- 132
- Published applications
- 201
- Assignees
- 159
- Inventors
- 520
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 4 |
| 2004 | 0 | 6 |
| 2005 | 1 | 5 |
| 2006 | 1 | 6 |
| 2007 | 1 | 11 |
| 2008 | 1 | 5 |
| 2009 | 1 | 8 |
| 2010 | 1 | 9 |
| 2011 | 2 | 9 |
| 2012 | 7 | 9 |
| 2013 | 4 | 9 |
| 2014 | 8 | 5 |
| 2015 | 7 | 5 |
| 2016 | 5 | 11 |
| 2017 | 7 | 9 |
| 2018 | 3 | 6 |
| 2019 | 5 | 11 |
| 2020 | 2 | 6 |
| 2021 | 6 | 11 |
| 2022 | 7 | 15 |
| 2023 | 4 | 14 |
| 2024 | 5 | 12 |
| 2025 | 5 | 7 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for in-vitro modeling of neurodegenerative diseases23 Dec 2025US 12,504,424 B2Technion Research & Development Foundation Limited
- Differentiation induction from human pluripotent stem cells into hypothalamic neurons5 Aug 2025US 12,378,518 B2National University Corporation Nagoya University
- Expandable cell populations from brain biopsies of living subjects11 Mar 2025US 12,247,218 B2London Health Sciences Centre Research Inc.
- Silicified immunogenic cells, methods of making, and methods of using21 Jan 2025US 12,201,651 B2UNM Rainforest Innovations
- Oral health model for high throughput screen and characterization of oral hygiene products21 Jan 2025US 12,203,926 B2Colgate-Palmolive Company
- Protocol for generating neural progenitor cells and implementations thereof10 Sep 2026US 2026/0263525 A1Eyestem Research Private Limited
- Deprivation of human pluripotent stem cell-derived trpv1+, mrgprx1+ and scn9a+ sensory neurons and their functional characterization21 May 2026US 2026/0137723 A1The Johns Hopkins University
- Medical patch for controlled delivery of wound healing factors and therapies15 Jan 2026US 2026/0014096 A1
- Enhancing neuronal differentiation of ventral midbrain neural progenitor cells1 Jan 2026US 2026/0002124 A1
- Animal origin-free cell sheet, preparation method therefor and use thereof25 Dec 2025US 2025/0388864 A1Boe Regenerative Medicine Technology Co., Ltd.
Most cited
By later US patents
- Device for priming for improved adherence of gels to substrates1,210US 5,749,968 AFocal, Inc. · 1998
- Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers896US 5,410,016 ABoard of Regents, The University of Texas System · 1995
- Encapsulation of biological material667US 4,352,883 ADamon Corporation · 1982
- Gels for encapsulation of biological materials587US 5,858,746 ABoard of Regents, The University of Texas System · 1999
- Gels for encapsulation of biological materials331US 5,529,914 ABoard of Regents, The Univeristy of Texas System · 1996