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:
Aug. 29, 2006
Filed:
Sep. 10, 2004
Stefan Lambrecht, Holzminden, DE;
Werner Marks, Brevörde, DE;
Hans-juergen Topp, Holzminden, DE;
Norbert Richter, Beverungen, DE;
Walter Kuhn, Holzminden, DE;
Stefan Lambrecht, Holzminden, DE;
Werner Marks, Brevörde, DE;
Hans-Juergen Topp, Holzminden, DE;
Norbert Richter, Beverungen, DE;
Walter Kuhn, Holzminden, DE;
symrise GmbH & Co. KG, Holmzinden, DE;
Abstract
Process for the preparation of 1-hydroperoxy-16-oxabicyclo[10.4.0]hexadecane (DDP-OOH), wherein 13-oxabicyclo[10.4.0]hexadec-1(12)-ene (DDP) and hydrogen peroxide are reacted in a diluent in the presence of a strong acid, the diluent has a pKa value of greater than or equal to 4.5 and the strong acid has a pKa value of less than or equal to 1.5, wherein after the reaction has taken place, the strong acid is neutralized with at least 0.9 molar equivalent of a base.