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:
Dec. 09, 2008
Filed:
Jun. 27, 2005
Jan Van DE Broek, Bergen op Zoom, NL;
Stephan Bouwens, Bergen op Zoom, NL;
Maarten Campman, Roosendaal, NL;
Daniel Favre, Rensselaer, NY (US);
Cornelis Adrianus Maria Van Gool, Kapellen, BE;
Leon Kalle, Almere, NL;
George P. Moloney, Jr., Mechanicville, NY (US);
Jan van de Broek, Bergen op Zoom, NL;
Stephan Bouwens, Bergen op Zoom, NL;
Maarten Campman, Roosendaal, NL;
Daniel Favre, Rensselaer, NY (US);
Cornelis Adrianus Maria van Gool, Kapellen, BE;
Leon Kalle, Almere, NL;
George P. Moloney, Jr., Mechanicville, NY (US);
Sabic Innovative Plastics IP B.V., Bergen op Zoom, NL;
Abstract
An apparatus for preparing a dialkyl carbonate comprises means for reacting an alkanol, oxygen, carbon monoxide, and a catalyst to form a mixture comprising a dialkyl carbonate, an alkyl chloroformate, hydrochloric acid, water, carbon dioxide, and carbon monoxide; means for separating from the mixture a gaseous fraction comprising carbon monoxide and alkyl chloroformate; and means for removing alkyl chloroformate from the gaseous fraction.