Patent · US Expired

Polycondensates which can be sterilized by .gamma.-radiation

US5382605A · kind A · utility

7Cited by

16References

10Claims

0Family size

Assignees

Miles Inc. · US
BAYER HEALTHCARE LLC · DE

Inventors

Douglas G. Powell · Dorpsstraat, US
Charles E. Lundy · Pittsburgh, US
Gerhard Fennhoff · Willich, DE
Ralf Hufen · Duisburg, DE
Klaus Kircher · Leverkusen, DE

Key dates

Filing date	Feb 15, 1994
Grant date	Jan 17, 1995
Priority date	—
Expiry date	Feb 15, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L69/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A thermoplastic molding composition resistant to the degradation induced by ionizing-radiation is disclosed. The composition contains an aromatic polycondensate and an agent which is a compound conforming structurally to formula (I) ##STR1## or which is a member selected from the group consisting of oligocarbonate, polycarbonate, copolycarbonate, polyestercarbonate and polyesters which contain structural units conforming to formula (Ia) ##STR2## wherein R.sup.1 to R.sup.10 and X are defined. The composition is suitable for the manufacture of shaped articles, especially articles useful in medical applications.

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