Inverse emulsion process for preparing hydrophobe-containing polymers
US4918123A · kind A · utility
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24Claims
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Key dates
| Filing date | May 17, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | May 17, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2/32
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
High solids content, high molecular weight hydrophobe-containing cationic polymer products are prepared by an inverse (water-in-oil) emulsion process wherein the hydrophobic monomer is in the water phase. The resultant polymers have increased activity in oily water clean-up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.