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:
Aug. 29, 2017
Filed:
Apr. 01, 2014
Patrick A. C. Gane, Rothrist, CH;
Joachim Schölkopf, Killwangen, CH;
Daniel Gantenbein, Elnesvagen, NO;
Daniel E. Gerard, Basel, CH;
Patrick A. C. Gane, Rothrist, CH;
Joachim Schölkopf, Killwangen, CH;
Daniel Gantenbein, Elnesvagen, NO;
Daniel E. Gerard, Basel, CH;
Omya International AG, Oftringen, CH;
Abstract
The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile