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:
Nov. 10, 2015
Filed:
Sep. 24, 2010
Walter Reith, Egenhofen, DE;
Walter Reith, Egenhofen, DE;
IKA INNOVATIVE KUNSTSTOFFAUFBEREITUNG GMBH & CO. KG, Wolfen, DE;
Abstract
The invention relates to a stabilizer system comprising a thermal stabilizer and a supported, at least partly calcined dolomite of the formula MtX*CaXwhere Mt=Mg or Zn; X=O or (OH); X=O; (OH)or CO, wherein the calcined dolomite has been supported with a metal perchlorate of the formula Mt(ClO)*nHO where Mt=Li, Na, K, Mg, Ca, Ba, Zn, Al, La, Ce; m=1, 2 or 3, m being selected so as to compensate for the charge of the metal ion Mt; n=0 to 3 and wherein the stabilizer system does not comprise any of the compounds selected from the group consisting of (B) and (C) when Mtis Mg, and wherein (B) at least one nitrogen-containing organic compound is selected from the group consisting of (B1) and (B2), (B1) being a tert-alkanolamine and (B2) being an enaminone or a urea, and (C) an alkaline earth metal aluminohydroxocarbonate of the formula (C) (MZn)Al(OH)CO* zHO (C) where M=magnesium or/and calcium; x=0 to 0.5; y=2 to 8 and z=0 to 12. The invention further relates to compositions and articles comprising the stabilizer system, to the use thereof and to processes for production of the supported dolomite.