Patent · US Expired

Polycarbonate having pronounced shear thinning behavior

US6770731B2 · kind B2 · utility

27Cited by

2References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

James P. Mason · Robinson Township, US
Silke Kratschmer · Krefeld, DE
Uwe Hucks · Alpen, DE

Key dates

Filing date	Mar 22, 2002
Grant date	Aug 3, 2004
Priority date	—
Expiry date	Jun 11, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G64/307
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A branched melt-polymerized polycarbonate having pronounced non-Newtonian flow behavior is disclosed. The polycarbonate is suitable for preparing molding compositions and the preparation of a variety of molded articles.

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