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. 04, 2025
Filed:
Nov. 19, 2019
Specialty Electronic Materials Netherlands Bv, Hoek, NL;
Ddp Specialty Electronic Materials Us, Llc, Wilmington, DE (US);
J. Marcus Slagt, Nisse, NL;
Maria de los angeles Perez Macia, Madrid, ES;
DDP SPECIALTY ELECTRONIC MATERIALS US, LLC, Wilmington, DE (US);
SPECIALTY ELECTRONIC MATERIAL NETHERLANDS BV, Dordrecht, NL;
Abstract
A fluid treatment apparatus comprising a tank containing a bed of at least one fluid treatment medium, a distributor plate separating the bed from an end portion of the tank, and an inert medium comprising amorphous particles having a harmonic mean diameter from 2.5 to 250 mm and a density from 0.57 to 0.998 cm/g. The volume of the end portion containing inert medium is from 25 to 95% of the total volume of the end portion.