Patent · US Expired

(Co)polycarbonates stabilized against .gamma.-radiation

US5773491A · kind A · utility

3Cited by

5References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wolfgang Ebert · Krefeld, DE
Ralf Hufen · Duisburg, DE
Ru digerart · Bensberg, DE
Gerhard Fennhoff · Willich, DE

Key dates

Filing date	Mar 7, 1996
Grant date	Jun 30, 1998
Priority date	—
Expiry date	Mar 7, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L69/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The object of the present invention is polycarbonate molding compositions containing polycarbonates, stabilizers of the general formula (I) EQU R.sub.1 --X--CZ--Y--R.sub.2 and optionally polypropylene glycols. The object of the present invention is also use of these molding compositions to produce items for medical applications.

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