Patent · US Active

Method for separating volatile substances from material mixtures and device for producing polyarylene sulfides

US9670323B2 · kind B2 · utility

0Cited by

4References

5Claims

0Family size

Assignee

SK Chemicals CO., Ltd. · KR

Inventors

Clifford Schaferskupper · Saalfeld, DE
Thomas Hille · Neuwied, DE
Theodor Jurgens · Castrop-Rauxel, DE
Andre Schumann · Berlin, DE
Lars Gierszewski · Berlin, DE
Il-Hoon Cha · Seoul, KR
Sung-Gi Kim · Seoul, KR
Yoon Cheol Kim · Suwon-si, KR

Key dates

Filing date	Jun 13, 2016
Grant date	Jun 6, 2017
Priority date	—
Expiry date	Jun 13, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/24
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.