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. 12, 2008
Filed:
Dec. 10, 2004
Walter Dobler, Schwetzingen, DE;
Nicolaus Bahr, Heidelberg, DE;
Alois Kindler, Grünstadt, DE;
Christian Miller, Ruppertsberg, DE;
Axel Salden, Stuttgart, DE;
Walter Dobler, Schwetzingen, DE;
Nicolaus Bahr, Heidelberg, DE;
Alois Kindler, Grünstadt, DE;
Christian Miller, Ruppertsberg, DE;
Axel Salden, Stuttgart, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing tetrahydrogeranylacetone (tetrahydropseudoionone) by aldol condensation of citral with acetone and subsequent hydrogenation. The invention further relates to the use of thus obtained tetrahydro-geranylacetone for preparing phytol, isophytol, tocopherol and/or tocopherol derivatives. In addition, the invention relates to processes for preparing tocopherols and/or tocopherol derivatives.