Method of preparing sulfur-modified polychloroprene
USRE33377E · kind E · reissue
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21Claims
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Key dates
| Filing date | Oct 20, 1988 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Oct 20, 2008 |
Classification
- Technology area (CPC —)General
Abstract
Sulfur-modified polychloroprene in alkaline aqueous emulsion is prepared by incorporating one or more organic polysulfides which act as peptizing agents during the polymerization of the chloroprene. The sulfur-modified polychloroprenes obtained have stable viscosities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.