Patent ID: 11891358
Assignee: SULZER MANAGEMENT AG
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 9:
10. The method of claim 1, wherein the purified styrene composition comprises at least one of:
less than 5 ppmw of total elemental sulfur as contained in mercaptans, disulfides and thiophenes,
less than 20 ppmw of oxygenates,
less than 40 ppmw of impurities selected from the group consisting of: phenylacetylene, mixed xylenes, ethylbenzene, cumene, ethyl-toluene, n-propylbenzene, and alpha-methylstyrene,
a polymer content of less than 10 ppmw, and
a total organic chlorine content of less than 2 ppmw.