A61L 28/00
Materials for colostomy devices
Official title: Materials for colostomy devices (adhesives for colostomy devices A61L24/00)
A61L28/00 (Materials for colostomy devices) appears on 100 US grants and 127 published applications in this corpus.
Search patents in A61L- Granted patents
- 100
- Published applications
- 127
- Assignees
- 62
- Inventors
- 266
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 5 |
| 2004 | 3 | 5 |
| 2005 | 3 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 5 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 1 | 5 |
| 2012 | 2 | 3 |
| 2013 | 0 | 10 |
| 2014 | 5 | 8 |
| 2015 | 3 | 5 |
| 2016 | 5 | 5 |
| 2017 | 3 | 5 |
| 2018 | 2 | 3 |
| 2019 | 4 | 9 |
| 2020 | 3 | 5 |
| 2021 | 4 | 2 |
| 2022 | 3 | 8 |
| 2023 | 7 | 2 |
| 2024 | 5 | 9 |
| 2025 | 3 | 6 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61L 28/0007Containing macromolecular materials59
- A61L 28/0034Use of materials characterised by their function or physical properties38
- A61L 28/0061Materials for coating18
- A61L 28/0073Composite materials, i.e. containing one material dispersed in a matrix of the12
- A61L 28/003Ingredients of undetermined constitution or reaction products thereof4
- A61L 28/0003Containing inorganic materials3
Recent patents
- Establishing a physiological skin-material connection9 Jun 2026US 12,648,842 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Ostomy pouch30 Dec 2025US 12,508,152 B2Convatec Limited
- Deodorizing compositions, ostomy devices, and uses thereof24 Jun 2025US 12,336,928 B2Emory University
- Formulations and processes to generate repellent surfaces on medical devices22 Apr 2025US 12,280,175 B2Spotless Materials Inc.
- Ostomy appliance having an anti-reflux component20 Aug 2024US 12,064,371 B2Coloplast A/S
- Ostomy skin barrier device27 Aug 2026US 2026/0248634 A1
- Hydrogel for ostomy appliances13 Aug 2026US 2026/0232479 A1Hollister Incorporated
- Glucan derivatives for microbial control4 Jun 2026US 2026/0150837 A1Nutrition & Biosciences USA 4, Inc.
- Ostomy pouch28 May 2026US 2026/0144667 A1Convatec Limited
- Ostomy film16 Apr 2026US 2026/0102542 A1Convatec Limited
Most cited
By later US patents
- Skin barrier196US 4,367,732 AColoplast A/S · 1983
- Low profile combination device for gastrostomy or jejunostomy applications having anti-granuloma formation characteristics187US 6,997,909 B2The Children’s Hospital of Philadelphia · 2006
- Manufacture of polymeric products175US 4,880,592 AW. R. Grace & Co.-Conn. · 1989
- Sheets materials of HB polymers103US 4,826,493 AW. R. Grace & Co.-Conn. · 1989
- Temporary colostomy apparatus94US 5,261,898 A1993