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:
Mar. 29, 1983
Filed:
Jul. 30, 1981
Applicant:
Inventor:
Harvey M Goertz, Marysville, OH (US);
Assignee:
The O.M. Scott & Sons Company, Marysville, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C05C / ;
U.S. Cl.
CPC ...
71-3 ; 71 28 ; 71 29 ; 71 6411 ; 71903 ; 71904 ; 564 59 ;
Abstract
A controlled release particulate fertilizer composition prepared by the reaction of urea and formaldehyde comprising polymeric nitrogen in the form of methylene urea polymers of varying chain length. The majority of the polymeric nitrogen consists of short chain polymers selected from the group consisting of methylene diurea, dimethylene triurea and mixtures thereof and the average degree of polymerization of urea and formaldehyde is greater than 1.5. The fertilizer compositions combine safety and high levels of plant nutrient efficiency.