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:
May. 20, 2003
Filed:
Jun. 27, 2000
Applicant:
Inventors:
Allan Holmgren, Luleå, SE;
Peter Mattsson, Luleå, SE;
Assignee:
De-Icing, Inc., Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/101 ;
U.S. Cl.
CPC ...
B01D 2/101 ;
Abstract
In the purification of deicing fluid for recovery of glycol, initially solid particles are separated, then dissolved organic compounds and positive and negative ions are separated by an ion exchange in an ion exchanger, and finally water is separated by distillation.