Primer for oily surfaces
US3991002A · kind A · utility
12Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1975 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Feb 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Oily or other difficultly adherable surfaces are rendered receptive to pressure-sensitive adhesives when sprayed or coated with an organic solvent solution or dispersion of certain rubbery block copolymers and an unusually large amount of thermoplastic resin, preferably a blend in which at least one resin is compatible with each block of the copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.