Patent · US Expired

Implantable device for the administration of active substances to plants

US5873196A · kind A · utility

5Cited by

7References

18Claims

0Family size

Assignee

LTS Lohmann Therapie-Systeme AG · DE

Inventors

Hans-Rainer Hoffmann · Neuwied, DE
Malgorzata Kloczko · Linz, DE
Michael Roreger · Neuwied, DE

Key dates

Filing date	May 12, 1997
Grant date	Feb 23, 1999
Priority date	—
Expiry date	May 12, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC05G5/45
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

In an implantable device for the release of active substances to plants, wherein said device is a ceramic molded article that is interspersed with pores and in which the active substance is distributed in open pores, the pore volume at the time of implantation is dimensioned such that it comprises the total active substance amount to be released, with the kind of the total porosity, its volume, size and scattering as well as the distribution of the pores being determinable within given limits.

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