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. 21, 2018
Filed:
Apr. 29, 2016
Yara International Asa, Oslo, NO;
Gianluca Romegialli, Tortona, IT;
Wolfram Franke, Porsgrunn, NO;
Giuseppe Cilluffo, Garbagnate Milanese, IT;
Yara International ASA, Oslo, NO;
Abstract
The application relates to the use of a powder comprising calcium nitrate as a setting accelerator for a tile adhesive blend, wherein nitrate powder comprising calcium nitrate, and optionally also comprising a nitrate salt different than the calcium nitrate, specifically potassium or ammonium nitrate, and having a particle size of between 0.01 mm and 1 mm is used as the setting accelerator. The application furthermore relates to a process for producing such a setting accelerator comprising, in one possible embodiment, the step of cutting or grinding prills and/or granules comprising the calcium nitrate and optionally the different nitrate salt, and in another embodiment, a spray drying process, resulting into the setting accelerator. The application also relates to a tile adhesive blend comprising at least a cement, sand and a such setting accelerator.