Neutralizing polyethylene catalyst residues
US4425464A · kind A · utility
12Cited by
1References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1982 |
| Grant date | Jan 10, 1984 |
| Priority date | — |
| Expiry date | May 20, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Transition metal-derived coordination catalyst residues are neutralized by contacting with a pseudo-polyester material such as calcium stearoyl lactylate, which is comprised of a metal salt of a condensation reaction product of a fatty acid and a hydroxyl-containing acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.