A61L 2300/254
Enzymes, proenzymes
A61L2300/254 (Enzymes, proenzymes) appears on 282 US grants and 439 published applications in this corpus.
Search patents in A61L- Granted patents
- 282
- Published applications
- 439
- Assignees
- 224
- Inventors
- 801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 12 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 5 |
| 2003 | 7 | 9 |
| 2004 | 2 | 10 |
| 2005 | 1 | 11 |
| 2006 | 3 | 11 |
| 2007 | 3 | 15 |
| 2008 | 7 | 19 |
| 2009 | 2 | 15 |
| 2010 | 5 | 15 |
| 2011 | 3 | 14 |
| 2012 | 6 | 17 |
| 2013 | 11 | 13 |
| 2014 | 10 | 12 |
| 2015 | 12 | 28 |
| 2016 | 17 | 28 |
| 2017 | 18 | 31 |
| 2018 | 13 | 18 |
| 2019 | 11 | 36 |
| 2020 | 15 | 20 |
| 2021 | 16 | 22 |
| 2022 | 10 | 23 |
| 2023 | 11 | 23 |
| 2024 | 18 | 16 |
| 2025 | 10 | 15 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sponge assembly6 Oct 2026US 12,752,037 B2CFields, LLC
- Composition and methods for sanitization24 Mar 2026US 12,582,732 B2Genzyme Corporation
- Melt-and-meld approach to repair tissue defects17 Feb 2026US 12,551,599 B2The Regents of the University of California
- Compositions and methods for treating bone injury10 Feb 2026US 12,544,404 B2Board of Regents, The University of Texas System
- Antimicrobial coatings6 Jan 2026US 12,514,960 B2MicroVention, Inc.
- A suprachoroidal spacer implant to treat glaucoma20 Aug 2026US 2026/0240682 A1The Board of Trustees of the Leland Stanford Junior University
- Composition and methods for sanitization9 Jul 2026US 2026/0192005 A1Genzyme Corporation
- Glucan derivatives for microbial control4 Jun 2026US 2026/0150837 A1Nutrition & Biosciences USA 4, Inc.
- Transglutaminase treated products23 Apr 2026US 2026/0108659 A1LifeCell Corporation
- Antimicrobial Coatings9 Apr 2026US 2026/0097151 A1MicroVention, Inc.
Most cited
By later US patents
- Treatment of diseases by site-specific instillation of cells or site-specific transformation of cells and kits therefor615US 5,328,470 AThe Regents of the University of Michigan · 1994
- Thrombolytic treated intravascular medical device486US 5,380,299 AMED Institute, Inc. · 1995
- Biocompatible coating for solid surfaces391US 4,979,959 ABio-Metric Systems, Inc. · 1990
- Methods and compositions for the treatment and repair of defects or lesions in cartilage or bone349US 5,270,300 A1993
- Biodegradable matrix and methods for producing same339US 4,703,108 AUniversity of Medicine and Dentistry of New Jersey · 1987