Use of a polymer material on the basis of modified hydrocolloids as covering material
US5690869A · kind A · utility
1Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1995 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Oct 5, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to the use of a polymer material based on modified hydrocolloids as covering material for critical working substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.