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:
Apr. 13, 2021
Filed:
Feb. 12, 2018
Applicant:
Arianegroup Gmbh, Taufkirchen, DE;
Inventors:
Stefan Ziegenhagen, Bammental, DE;
Ewald Scharli Weinert, Hardthausen, DE;
Volker Groebel, Weingarten, DE;
Assignee:
ArianeGroup GmbH, Taufkichen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 19/00 (2006.01); C06D 5/08 (2006.01); C06B 21/00 (2006.01);
U.S. Cl.
CPC ...
B01D 19/0036 (2013.01); C06B 21/0091 (2013.01); C06D 5/08 (2013.01); B01D 19/00 (2013.01);
Abstract
A method for the degassing of hypergolic propellants includes introducing hypergolic propellant into a vacuum-tight vessel, cooling the vacuum-tight vessel containing the hypergolic propellant, and applying a pressure that is reduced as compared to the atmospheric pressure to the hypergolic propellant.