Adhesive beads
US5322731A · kind A · utility
30Cited by
10References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1993 |
| Grant date | Jun 21, 1994 |
| Priority date | — |
| Expiry date | Mar 9, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Adhesive beads comprise a core comprising a pressure sensitive adhesive material and an essentially discontinuous organic polymer disposed about the core. The beads are free-flowing at room temperature. Upon application of heat and/or pressure the core is activated and blends with the coating to provide a pressure sensitive adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.