Patent · US Expired

Nitrification-inhibiting agent

US5261939A · kind A · utility

2Cited by

3References

10Claims

0Family size

Assignee

SKW Trostberg Aktiengesellschaft · DE

Inventors

Svatopluk Solansky · Trostberg, DE
Werner Goll · Garching bei München, DE
Richard Perry Youngman · Cedar Park, US

Key dates

Filing date	May 13, 1991
Grant date	Nov 16, 1993
Priority date	—
Expiry date	May 13, 2011

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S71/903
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A nitrification-inhibiting agent is described which is characterized in that it comprises PA0 a) dicyandiamide and PA0 b) guanylthiourea and/or ammonium thiosulphate and/or ammonium phosphate. This agent is distinguished by an increased activity compared to the individual components and by its low toxicity.

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