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. 23, 1993
Filed:
Nov. 23, 1991
Applicant:
Inventor:
Richard H Van de Walle, Columbia, MD (US);
Assignee:
Martin Marietta Magnesia Specialties Inc., Baltimore, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
C05G / ;
U.S. Cl.
CPC ...
71 61 ; 71 63 ; 71 6403 ; 71 31 ; 106 383 ;
Abstract
A binder for fertilizer granulation is taught, comprising a reactive mixture of a metal salt and a metal oxide or hydroxide. Use of this binder permits the incorporation of higher percentages of 'fines' or small particle fertilizer components.