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:
Feb. 09, 2016
Filed:
Dec. 14, 2012
Harald Plochinger, Buhl, DE;
Daniel Fricker, Roeschwoog, FR;
Richard Walther, Rheinmunster, DE;
Marc Hager, Haguenau, FR;
Harald Plochinger, Buhl, DE;
Daniel Fricker, Roeschwoog, FR;
Richard Walther, Rheinmunster, DE;
Marc Hager, Haguenau, FR;
Evonik Industries AG, Essen, DE;
Abstract
The invention relates generally to a process for the preparation of water-absorbent polymer particles, including the process steps of preparing particulate water-absorbent polymer and mixing the particulate water-absorbent polymer with an aqueous crosslinker solution and heat-treating the mixture of particulate water-absorbent polymer in a horizontally operated mixing device, wherein the horizontally operated mixing device is hydraulically driven. The invention also relates to water-absorbent polymer particles obtainable by such a process.