Removable adhesive sheet
US4735837A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1985 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Aug 8, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2996
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A removable adhesive sheet comprising a substrate (A) and an adhesive composition layer which comprises elastic micro-balls (B) and an adhesive (C), the adhesive composition layer being formed on an adhesive layer forming surface of the substrate, wherein the mixing proportion of the elastic micro-balls (B) to the adhesive (C) in the adhesive composition layer is 1:10 to 10:1 in terms of weight ratio, and the protrusive areas of the elastic micro-balls (B) partially protruding from the surface of the adhesive composition layer is entirely covered with the adhesive (C) has an adhesion capability that is not lowered through a frequent repetition of bonding to and removing from an adherend.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.