Adhesive bandage or tape
US5947917A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 28, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Aug 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/00659
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A water resistant, flexible, dermal adhesive product for conformable topical application to human skin, the dermal adhesive product comprising a backing sheet having an adhesive for removably adhering the sheet to the skin, wherein the adhesive is a highly crosslinked pressure sensitive adhesive composition comprising the polymerization reaction product of about 75% to about 95% of a mixture of at least two alkyl acrylate or methacrylate esters, about 1% to about 10% ethylenically unsaturated carboxylic acid, and about 10% to about 20% vinyl lactam, by dry weight of solids, preferably about 80% to about 90% of a mixture of at least two alkyl acrylate or methacrylate esters, about 2% to about 5% ethylenically unsaturated carboxylic acid, and about 10% to about 20% vinyl lactam, by dry weight of solids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.