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. 11, 1987
Filed:
Mar. 05, 1985
Applicant:
Inventors:
Assignee:
Boliden Aktiebolag, Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
426 74 ; 423308 ; 423309 ; 423311 ; 426807 ;
Abstract
The present invention relates to a granular product comprising a reaction product between magnesium oxide and phosphoric acid; this product exhibiting high solubility in neutral citrate solubility tests and the weight ratio of magnesium to phoshorous being smaller than 1.8:1.