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:
Oct. 03, 1995
Filed:
Feb. 16, 1994
Evgeny Zlotnikov, Nesher, IL;
Abraham Shaviv, Haifa, IL;
Boris Gordonov, Nesher, IL;
Uri Michael, Natanya, IL;
Haifa Chemical South Ltd., Haifa, IL;
Abstract
An encapsulated slow-release particulate fertilizer product comprising 50-95% by weight of fertilizer and an encapsulating waterproofing sulfurated coat selected from the group of sulfurated unsaturated oils and sulfurated distillation products and distillation residues thereof. The sulfurated coat may bear neutralized carboxylic groups and the product may optionally contain up to 5% by weight of an inert powder serving as conditioner. For making the product an unsaturated oil or a distillation product or residue thereof is reacted with a sulfurization agent and the reaction product is used for the encapsulation of a particulate fertilizer.