Foamed pressure sensitive adhesive body comprising hydrocolloids
US8207393B2 · kind B2 · utility
36Cited by
12References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | May 6, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L24/043
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to an absorbent adhesive body of a foamed pressure sensitive hydrocolloid adhesive comprising one or more water soluble or water swellable hydrocolloids and having gas bubbles incorporated therein, where the gas in the gas bubbles are in direct contact with the pressure sensitive hydrocolloid adhesive and where tan δ for the adhesive in un-foamed form is below 0.35 at 40° C. and 0.001 rad/sec.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.