Patent · US Active

Method for producing polycarbonate according to the phase interface method

US9771451B2 · kind B2 · utility

0Cited by

21References

15Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Hermann Kauth · Krefeld, DE
Stephan Laue · Antwerpen, BE
Jan Heijl · Loferer, DE
Rolf Bachmann · Busswil, CH
Franky Bruynseels · Sint-Gillis-Waas, BE
Maarten De Bock · Wondelgem, BE
Johan Vanden Eynde · Zwijnaarde, BE
Somchai Kanjanasantisak · Rayong, TH

Key dates

Filing date	Jan 21, 2015
Grant date	Sep 26, 2017
Priority date	—
Expiry date	Jan 21, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G64/14
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to an efficient continuous method for producing polycarbonates according to the phase interface method.

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