A61L 2300/442
Colorants, dyes
A61L2300/442 (Colorants, dyes) appears on 171 US grants and 301 published applications in this corpus.
Search patents in A61L- Granted patents
- 171
- Published applications
- 301
- Assignees
- 170
- Inventors
- 586
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 3 |
| 2005 | 2 | 10 |
| 2006 | 1 | 7 |
| 2007 | 2 | 3 |
| 2008 | 2 | 8 |
| 2009 | 1 | 5 |
| 2010 | 5 | 8 |
| 2011 | 2 | 6 |
| 2012 | 3 | 8 |
| 2013 | 4 | 6 |
| 2014 | 5 | 10 |
| 2015 | 8 | 14 |
| 2016 | 6 | 15 |
| 2017 | 6 | 12 |
| 2018 | 7 | 5 |
| 2019 | 8 | 22 |
| 2020 | 9 | 16 |
| 2021 | 11 | 27 |
| 2022 | 15 | 30 |
| 2023 | 10 | 21 |
| 2024 | 15 | 20 |
| 2025 | 17 | 21 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fibrin hydrogels6 Oct 2026US 12,752,039 B2Mayo Foundation for Medical Education and Research
- Patches for localized use15 Sep 2026US 12,734,073 B2Orlucent, Inc.
- Tunable, stable sclerosing foam for vascular interventions30 Jun 2026US 12,667,642 B2Case Western Reserve University
- Mid-infrared laser-activated tissue sealing using biomaterials2 Jun 2026US 12,642,515 B2Arizona Board of Regents on behalf of Arizona State University
- Antimicrobial medical glove2 Jun 2026US 12,643,989 B2BMG (British Medical Group) Limited
- Wound dressing10 Sep 2026US 2026/0263651 A1University of Sunderland
- Methods, compositions, and devices for drug or live cell microarrays27 Aug 2026US 2026/0248746 A1Pathak Holdings LLC
- Natural fluorescent silk fibroin for biomedical applications20 Aug 2026US 2026/0241064 A1
- Hydrogel for ostomy appliances13 Aug 2026US 2026/0232479 A1Hollister Incorporated
- Ph sensing skin adhesive including mesoporous particles13 Aug 2026US 2026/0232480 A1Hollister Incorporated
Most cited
By later US patents
- Implant device having biocompatiable membrane coating137US 5,840,083 AF.B. Rice & Co. · 1998
- Preparation of a skin surface for a surgical procedure136US 5,547,662 ABecton, Dickinson and Company · 1996
- Implant device with a retinoid for improved biocompatibility136US 6,537,568 B2Allergan, Inc. · 2003
- Implant device with a retinoid for improved biocompatibility113US 6,455,062 B1Allergan, Inc. · 2002
- Photochemistry for the preparation of biologic grafts--allografts and xenografts109US 5,824,080 AThe General Hospital Corporation · 1998