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:
Mar. 28, 2017
Filed:
Nov. 23, 2012
Applicant:
Ticona Gmbh, Sulzbach (Taunus), DE;
Inventors:
Michael Haubs, Bad Kreuznach, DE;
Klaus Kurz, Kelsterbach, DE;
Jurgen Lingnau, Mainz-Laubenheim, DE;
Assignee:
Celanese Sales Germany GmbH, Sulzbach (Taunus), DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 323/06 (2006.01); C07C 47/04 (2006.01); C08G 2/10 (2006.01); C08G 2/30 (2006.01); C08G 65/30 (2006.01); C08G 65/06 (2006.01); C08G 65/16 (2006.01); C08J 11/28 (2006.01); C08G 2/36 (2006.01); C07D 323/04 (2006.01); C08J 11/16 (2006.01);
U.S. Cl.
CPC ...
C07D 323/06 (2013.01); C07C 47/04 (2013.01); C07D 323/04 (2013.01); C08G 2/10 (2013.01); C08G 2/36 (2013.01); C08G 65/06 (2013.01); C08G 65/16 (2013.01); C08G 65/30 (2013.01); C08J 11/16 (2013.01); C08J 11/28 (2013.01); C08G 2650/62 (2013.01); C08J 2359/02 (2013.01); Y02P 20/125 (2015.11);
Abstract
The present invention relates to a process for producing cyclic acetal comprising i) preparing a liquid reaction mixture comprising a) formaldehyde source, b) an aprotic compound and c) a catalyst; and ii) converting the formaldehyde source into cyclic acetals.