Patent · US Expired

Pharmaceuticals having dotted active ingredients and a method and apparatus for the preparation thereof

US4322449A · kind A · utility

53Cited by

4References

9Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

Gunther Voss · Dießen am Ammersee, DE
Peter Gruber · Bottmingen, CH

Key dates

Filing date	Jan 3, 1980
Grant date	Mar 30, 1982
Priority date	—
Expiry date	Jan 3, 2000

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61J2205/20
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method for the preparation of pharmaceuticals which comprises using a piezoelectric dosing system to dot liquid, dissolved or suspended active substance onto a pharmaceutical carrier.

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