Organic acid halide neutrallizing agents for anionic polymerizations
US4950723A · kind A · utility
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5Claims
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Key dates
| Filing date | Jan 23, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Jan 23, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for neutralizing the terminated remnant of an alkali metal anionic polymerization initiator comprising contacting the remnant with an organic acid halide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.