Patent · US Expired

Micronutrient fertilizer

US4328025A · kind A · utility

17Cited by

5References

20Claims

0Family size

Assignee

Bd. of Regents for the Okla. Agri. and Mech. Colleges Acting For & On Behalf of Oklahoma State University · US

Inventor

Carl E. Whitcomb · Stillwater, US

Key dates

Filing date	Jul 30, 1979
Grant date	May 4, 1982
Priority date	—
Expiry date	Jul 30, 1999

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC05D9/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Micronutrient fertilizer consisting of iron, manganese, copper, boron, and zinc in which the manganese-to-iron ratio is 8 to 20%, the copper-to-iron ratio is 5 to 10%, the boron-to-iron ratio is 0.4 to 1.0%, and the zinc-to-iron ratio is 6 to 12%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.