Process for removing unwanted material from wanted material
US5730880A · kind A · utility
2Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1996 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Jun 25, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/924
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Process for removing unwanted material from wanted material containing water by bringing an isocyanate-containing prepolymer into contact with the materials, allowing the prepolymer to react with the water to form a flexible foam and removing the foam obtained from the wanted material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.