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:
Jul. 10, 2007
Filed:
May. 07, 2002
Joerg Hinrich Fechner, Mainz, DE;
Jose Zimmer, Ingelheim, DE;
Roland Schnabel, Hofheim/Ts, DE;
Rupert Schnell, Worms, DE;
Joerg Hinrich Fechner, Mainz, DE;
Jose Zimmer, Ingelheim, DE;
Roland Schnabel, Hofheim/Ts, DE;
Rupert Schnell, Worms, DE;
Schott Ag, Mainz, DE;
Abstract
The method of protecting a polymeric plastic from attack by bacteria and fungi includes providing bioactive glass particles having a mean particles size preferably less than 2 μm as an additive incorporated into the polymeric plastic. The bioactive glass particles contain 40 to 60% by weight of SiO, 10 to 30% by weight of CaO, 10 to 35% by weight of NaO, 2 to 8 % by weight of PO, 0 to 25% by weight of CaF, 0 to 10% by weight of BO, 0 to 8% by weight of KO and/or 0 to 5% by weight of MgO. The additive is included in amounts of up to 25% by weight in the polymeric plastic.