Mixed polysaccharide precipitating agents and insulating articles shaped therefrom
US5221790A · kind A · utility
5Cited by
8References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Jul 30, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31971
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Mixed polysaccharide compositions, well adopted for flocculating/precipitating solid particulates from liquid dispersions thereof and for the shaping of insulating articles therefrom, comprise (i) at least one polysaccharide prepared by microbial fermentation, the basic recurring structural unit of which comprising both glucose and rhamnose moieties, and (ii) at least one cationic natural polysaccharide or derivative thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.