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:
Jun. 14, 2016
Filed:
Jul. 12, 2013
Applicant:
S. A. Lhoist Recherche ET Developpement, Ottignies-Louvain-la-Neuve, BE;
Inventors:
Marion Lorgouilloux, Strepy Bracquegnies, BE;
Didier Lesueur, Braine-le-Chateau, BE;
Thierry Chopin, Uccle, BE;
Fouad Laoutid, Lambersart, FR;
Philippe Dubois, Braives, BE;
Assignee:
S.A. LHOIST RECHERCHE et DEVELOPPEMENT, Ottignies-Louvain-la, BE;
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/16 (2006.01); C08K 5/09 (2006.01); C09K 21/02 (2006.01); C08K 3/00 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
C08K 5/09 (2013.01); C08K 3/0058 (2013.01); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C09K 21/02 (2013.01); C01F 5/16 (2013.01); C08K 2003/222 (2013.01); C08K 2003/2206 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/265 (2013.01);
Abstract
A powdery mineral filler comprising a calcium compound and a magnesium compound, comprising a semi-hydrated dolomite of general formula aCaCO.bCa(OH)2.cMg(OH)2.dMg0.eCaO, a, b, c, d and e being molar fractions with (a+b+e)/(c+d) between 0.8 and 1.2, and comprising particle agglomerates, a flame-retardant polymer composition containing same, production methods and use of such mineral fillers.