Pressure sensitive adhesive composition
US6437038B1 · kind B1 · utility
36Cited by
12References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2000 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Jun 23, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pressure sensitive adhesive composition suitable for medical purposes comprising a rubbery elastomeric base and one or more water soluble or water swellable hydrocolloids, the adhesive composition comprising a substantially homogeneous mixture of 15-60% of a butyl rubber, 15-60% of one or more tackifier resins, 1-10% of a tackifying liquid constituent, 20-60% of one or more hydrocolloids and 0-3% of a pigment shows very good properties as an adhesive for ostomy appliances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.