Flexible foamed product with skin and process for its manufacture
US4209564A · kind A · utility
12Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1979 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Mar 23, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249991
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A flexible foamed product with skin, characterized in that on the surface of the foamed product there is formed a skin composed of the reaction product of a linear urethane polymer, a polyol or an urethane prepolymer with an OH-terminal group compatible with the linear urethane polymer, and a blocked isocyanate; and the process for manufacturing such a product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.