The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 07, 1995
Filed:
Mar. 22, 1994
Rick L Archey, Pleasant Hills, PA (US);
Charles E Lundy, Pittsburgh, PA (US);
Aaron D Meltzer, Pittsburgh, PA (US);
Harald Pielartzik, Pittsburgh, PA (US);
Gerhard Fennhoff, Willich, DE;
Ralf Hufen, Duisburg, DE;
Klaus Kircher, Leverkusen, DE;
Rudiger Schubart, Berg-Gladbach, DE;
Richard Weider, Leverkusen, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Bayer Corporation, Pittsburgh, PA (US);
Abstract
A thermoplastic molding composition stabilized against .gamma.-rays and its application for manufacture of medical equipment is disclosed. The composition contains an aromatic polycarbonate and (i) dialkyl and/or dicycloalkyl monosulfides or polysulfides in an amount of 0.001 to 5 weight %, and optionally (ii) aliphatic or cycloaliphatic monoalcohols or polyalcohols or their derivatives in an amount of 0.001 to 2 weight % said percent being relative to 100 weight % of aromatic polycarbonate.