Patent · US Expired

Retarding formulations of active substances used for plant protection

US6541425B1 · kind B1 · utility

2Cited by

6References

9Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Ernst · Worms, DE
Matthias Bratz · Schifferstadt, DE
Karl-Heinrich Schneider · Kleinkarlbach, DE
Armin Lange · Heidelberg, DE
Thomas Kessler · Schifferstadt, DE
Klaus Schelberger · Gönnheim, DE
Siegfried Strathmann · Schifferstadt, DE

Key dates

Filing date	Oct 27, 2000
Grant date	Apr 1, 2003
Priority date	—
Expiry date	Oct 27, 2020

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N25/12
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Solid formulation of a crop protection product can be obtained by melt extrusion and shaping of a mixture consisting of:0.1-80% by wt. of an active ingredient which can be used in crop protection, or of a combination of such active ingredients,10-80% by wt. of at least one mineral filler,0-20% by wt. of inorganic or organic additives, andto 100% by wt. of at least one thermoplastic water-insoluble polymer

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