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:
Jan. 07, 1992
Filed:
Dec. 01, 1988
Applicant:
Inventors:
Richard H Van de Walle, Columbia, MD (US);
David Smith, Kearneysville, WV (US);
Assignee:
Martin Marietta Magnesia Specialties Inc., Hunt Valley, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
C05G / ; C05G / ; C05C / ;
U.S. Cl.
CPC ...
71 63 ; 71 60 ; 71 61 ; 71 6406 ; 106600 ; 106627 ;
Abstract
A binder composition is taught for the granulation of fine particulate fertilizer, which binder comprises an admixture of reactive carbonate, sulfate, silicate strengthener, and water dispersant, said binder being reactive in the presence of an acid activator.