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:
May. 18, 2010
Filed:
Sep. 16, 2005
Berthold Wagner, Frankfurt am Main, DE;
Stefanie Beil-seidler, Moerfelden-Walldorf, DE;
Berthold Wagner, Frankfurt am Main, DE;
Stefanie Beil-Seidler, Moerfelden-Walldorf, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to a composition and a method for the determination of furfurals, in particular the chemical signal substances 5-(hydroxymethyl)furan-2-carbaldehyde (hydroxymethylfurfural, HMF) and furan-2-carbaldehyde (furfural). The determination according to the invention is based on a liquid- or dry-chemical test using barbituric acid derivatives and 4-aminophenazone derivatives.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile