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:
May. 19, 1987
Filed:
Feb. 21, 1986
Applicant:
Inventors:
Bronislav H May, Overijse, BE;
Hubert H Nijs, Louvain, BE;
Brigitte M Vandenbulcke, Chaumont-Gistoux, BE;
Assignee:
Monsanto Europe S.A., Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252102 ; 252 95 ; 252131 ; 252140 ; 252155 ; 25217413 ; 25217425 ; 252545 ; 25217416 ; 252D / ; 428403 ;
Abstract
Aminomethylenephosphonate-coated granules of substantially water-insoluble silicate having improved stability in the presence of peroxygen compounds. Such coatings can comprise alkali metal aminomethylenephosphonate of the formula: ##STR1## where each R is H, CH.sub.2 PO.sub.3 H.sub.2 or CH.sub.2 PO.sub.3 HM or CH.sub.2 PO.sub.3 M.sub.2 ; where M is an alkali metal; and n is 0 or an integer, preferably an integer of from 1 to 4. The coatings are substantially free of peroxygen compounds and peroxy compound precursors.