Reaction of sulfur with polychlorinated polyphenyls
US4745226A · kind A · utility
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9Claims
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Key dates
| Filing date | Sep 22, 1986 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Sep 22, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D2101/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Polychlorinated polyphenyl materials are reacted with sulfur in the presence of an effective amount of a sulfur chloride compound to result in a product having a lowered residue of chlorinated polyphenyl as compared to a reaction practiced without the use of the compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.