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:
Jan. 08, 2013
Filed:
Sep. 22, 2008
Applicants:
Markus Siegert, Heidelberg, DE;
Neven Lang, Mannheim, DE;
Laszlo Szarvas, Ludwigshafen, DE;
Christoph Sigwart, Weinheim, DE;
Franz Niklaus Windlin, Heidelberg, DE;
Eckhard Stroefer, Mannheim, DE;
Inventors:
Markus Siegert, Heidelberg, DE;
Neven Lang, Mannheim, DE;
Laszlo Szarvas, Ludwigshafen, DE;
Christoph Sigwart, Weinheim, DE;
Franz Niklaus Windlin, Heidelberg, DE;
Eckhard Stroefer, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 323/06 (2006.01); C07D 45/00 (2006.01); B01D 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for separating trioxane from a feed stream I comprising formaldehyde, trioxane and water, in which