Pattern coated adhesive article
US6953602B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2486
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer has an adhesive free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about 2000 g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.