Patent · US Expired

Method for coating medicaments

US4520172A · kind A · utility

84Cited by

2References

9Claims

0Family size

Assignee

Rohm Co., Ltd. · JP

Inventors

Klaus Lehmann · Roßdorf, DE
Dieter Dreher · Darmstadt, DE
Hubert Rauch · Weiterstadt, DE
Werner Siol · Pfungstadt, DE

Key dates

Filing date	Mar 11, 1983
Grant date	May 28, 1985
Priority date	—
Expiry date	Mar 11, 2003

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/2846
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

What are disclosed are methods for dispersing a powdered salt-forming synthetic resin in water in the presence of an agent forming a salt with said resin, methods for coating pharmaceutical dosage forms with a dispersion made by such a method, and powdered mixtures of a salt forming resin and salt forming agent for dispersion in water.

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