A61K 38/4826
Trypsin chymotrypsin
Official title: {Trypsin (3.4.21.4) Chymotrypsin (3.4.21.1)}
A61K38/4826 (Trypsin chymotrypsin) appears on 180 US grants and 283 published applications in this corpus.
Search patents in A61K- Granted patents
- 180
- Published applications
- 283
- Assignees
- 115
- Inventors
- 374
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 6 |
| 2003 | 2 | 4 |
| 2004 | 2 | 11 |
| 2005 | 2 | 11 |
| 2006 | 2 | 11 |
| 2007 | 1 | 8 |
| 2008 | 5 | 14 |
| 2009 | 3 | 15 |
| 2010 | 3 | 17 |
| 2011 | 6 | 9 |
| 2012 | 12 | 18 |
| 2013 | 12 | 9 |
| 2014 | 6 | 16 |
| 2015 | 15 | 14 |
| 2016 | 9 | 15 |
| 2017 | 13 | 15 |
| 2018 | 7 | 12 |
| 2019 | 8 | 23 |
| 2020 | 9 | 14 |
| 2021 | 8 | 10 |
| 2022 | 8 | 9 |
| 2023 | 5 | 7 |
| 2024 | 3 | 5 |
| 2025 | 5 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Proteolytic enzyme composition18 Nov 2025US 12,472,242 B2Bright Lifecare Pvt. Ltd
- Proenzyme composition23 Sep 2025US 12,419,938 B2Propanc Pty Ltd
- Enzymes entrapped in organopolysiloxane matrix for treating intestinal diseases22 Jul 2025US 12,364,739 B2JL Biosciences, Inc.
- Proteolytic enzyme composition11 Feb 2025US 12,220,447 B2Bright Lifecare Pvt. Ltd
- Non-cellular root canal filler and non-cellular dental tissue regeneration promotion kit7 Jan 2025US 12,186,413 B2Kowa Company, Ltd.
- Reactive and sorbent materials20 Aug 2026US 2026/0240896 A1Guild Associates, Inc.
- Pharmaceutical composition for treating and/or preventing cancer20 Aug 2026US 2026/0240962 A1Toray Industries, Inc.
- Compositions and methods relating to recombinant chymotrypsin7 May 2026US 2026/0125664 A1Promega Corporation
- Methods for the treatment of symptoms of neurological and mental health disorders15 Jan 2026US 2026/0016491 A1Curemark, LLC
- Composition containing digestive enzymes and nutrients suitable for enteral administration23 Oct 2025US 2025/0325012 A1Allergan Pharmaceuticals International Limited
Most cited
By later US patents
- Non-immunogenic polypeptides2,007US 4,179,337 A1979
- Modifying enzymes with polyethylene glycol and product produced thereby253US 4,002,531 APierce Chemical Company · 1977
- Bioactive shunt122US 6,348,042 B12002
- Stable protein and nucleic acid formulations using non-aqueous, anhydrous, aprotic, hydrophobic, non-polar vehicles with low reactivity116US 6,730,328 B22004
- Fibrinolytic compositions113US 4,055,635 ABeecham Group Limited · 1977