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. 16, 2016
Filed:
Jun. 14, 2013
Basf Construction Solutions Gmbh, Trostberg, DE;
Niklas Loges, Pittenhart, DE;
Uwe Gehrig, St. Georgen, DE;
Michael Schinabeck, Altenmarkt, DE;
Frank Dierschke, Oppenheim, DE;
Michael Bräu, Shanghai, CN;
Luc Nicoleau, Altenmarkt, DE;
BASF Construction Solutions GmbH, Trostberg, DE;
Abstract
The invention relates to a process for producing calcium sulphate dihydrate by reacting a water-soluble calcium compound with a water-soluble sulphate compound in the presence of water and a polymer containing acid groups, wherein the polymer containing acid groups comprises specific polyether groups. Additionally disclosed are calcium sulphate dihydrate producible by the process according to the invention, and the use thereof for production of gypsum plasterboard.