Patent · US Active

Copolycarbonate compositions with branch structures and linear oligomers and improved rheological properties

US9969879B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Rolf Wehrmann · Krefeld, DE
Helmut-Werner Heuer · Krefeld, DE
Anke Boumans · Goch, DE

Key dates

Filing date	Jul 31, 2015
Grant date	May 15, 2018
Priority date	—
Expiry date	Jul 31, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/025
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to copolycarbonate compositions having branch structures and linear oligomers and improved flow properties, to their use for producing blends and moldings and to moldings obtained therewith.

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