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. 08, 2020
Filed:
Aug. 14, 2014
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Alfred Soppe, Issum, DE;
Jiyuan Sun, Shanghai, CN;
Thorsten Leidig, Duisburg, DE;
Thomas Runowski, Hilden, DE;
Dieter Heitkamp, Burscheid, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D 7/16 (2006.01); F28F 9/22 (2006.01); F28D 21/00 (2006.01); B01D 1/04 (2006.01); F25B 39/02 (2006.01); F28D 7/06 (2006.01); F28F 9/00 (2006.01); F28D 7/00 (2006.01);
U.S. Cl.
CPC ...
F28D 7/1623 (2013.01); B01D 1/04 (2013.01); F25B 39/02 (2013.01); F28D 7/0066 (2013.01); F28D 7/06 (2013.01); F28D 21/0017 (2013.01); F28F 9/00 (2013.01); F28F 9/22 (2013.01); F25B 2339/02 (2013.01); F28D 2021/0064 (2013.01); F28F 2265/00 (2013.01);
Abstract
The present invention relates to an apparatus and a method for evaporating liquids containing potentially explosive impurities of lower volatility than the actual liquid compound. The set-up of the evaporator according to the invention allows its operation with complete evaporation of a liquid without formation of a liquid sump of not yet evaporated liquid.