Patents by Inventor Gerardus F. VAN DER Sijpt

Gerardus F. VAN DER Sijpt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Ammonium nitrate containing fertilizer pellets and a process of making same having a coating of C.sub.12 -C.sub.18 alkyl amine(s) and an overcoat of mineral oil

Patent number: 4150965

Abstract: Ammonium nitrate containing fertilizer pellets provided individually throughout their entire surface with a uniform and substantially closed coating of C.sub.12 -C.sub.18 alkylamine(s) in the solid state, and with a thin layer of mineral oil over said coating.

Type: Grant

Filed: April 20, 1978

Date of Patent: April 24, 1979

Assignee: Compagnie Neerlandaise de l'Azote (Societe Anonyme)

Inventors: Willy H. P. Van Hijfte, Rafael A. J. Goethals, Anton Niks, Gerardus F. VAN DER Sijpt

Ammonium nitrate containing fertilizer pellets and a process of making same having a coating of C.sub.12 -C.sub.18 alkyl amine(s) and an overcoat of mineral oil