Oil adsorbent
US3960722A · kind A · utility
29Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1975 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Jan 27, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oil adsorbent comprising a plastic material for eliminating oils present in or on the surface of water through adsorption. Said adsorbent is produced by foaming by a physical means polyethylene containing 30-80% by weight of at least one inorganic calcium compound selected from the group consisting of calcium sulfite and calcium carbonate, to prepare a foamy substance having a density of 0.06-0.10 g/cc and then shaping the substance to have a network structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.