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:
Feb. 02, 1999
Filed:
Mar. 07, 1997
Christoph Kempf, Detligen, CH;
Fabian Kasermann, Burgdorf, CH;
Abstract
In a process for the inactivation of enveloped viruses in a biological fluid buckminsterfullerene (C.sub.60) is used as a photosensitizer. In a photodynamic processes singlet oxygen is generated which is the active agent for the inactivation of viruses present in the fluid. The process comprises the steps of (a) contacting of a solution or dispersion of material derived from the human body or from the bodies of animals with buckminsterfullerene as a photosensitizer, of (b) saturating the solution or dispersion with oxygen; and of (c) irradiating the solution or dispersion with visible or invisible light for activating the oxygen into the singlet state until viruses contained in the solution or dispersion are inactivated. This virus inactivation is specially suitable for protein solutions, e.g. bovine serum albumin, BSA or plasma products of human origin.