Patent · US Expired

Highly functional highly branched or hyperbranched polycarbonates and the production and use hereof

US7521521B2 · kind B2 · utility

11Cited by

11References

20Claims

0Family size

Assignee

BASF SE

Inventors

Bernd Bruchmann · Ludwigshafen, DE
Jean-Francois Stumbe · Strasbourg, FR
Joelle Bedat · Strasbourg, FR

Key dates

Filing date	Sep 4, 2004
Grant date	Apr 21, 2009
Priority date	—
Expiry date	Jun 15, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D169/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

High-functionality highly or hyper-branched polycarbonates based on dialkyl or diaryl carbonates and on aliphatic diol or polyols, processes for preparing them, and their use for preparing printing inks.

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