Primerless pressure-sensitive adhesive constructions
US5558913A · kind A · utility
45Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1994 |
| Grant date | Sep 24, 1996 |
| Priority date | — |
| Expiry date | Sep 16, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2852
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided a laminate of a backing, a layer of permanent pressure-sensitive adhesive and a layer of removable pressure-sensitive adhesive, the latter being in contact with a release surface of a release liner or the opposed surface of the backing. The removable pressure-sensitive adhesive is provided at a coat weight of at least 10 gsm and at coat weight ratio to the permanent pressure-sensitive adhesive of at least 1:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.