Patent · US Expired

Coating agent for medicaments and methods for making and using the same

US4433076A · kind A · utility

34Cited by

3References

7Claims

0Family size

Assignee

Rohm Co., Ltd. · JP

Inventors

Kurt Bauer
Hermann Osterwald · Glückstadt, DE
Klaus Lehmann · Roßdorf, DE
Dieter Dreher · Darmstadt, DE

Key dates

Filing date	Dec 8, 1981
Grant date	Feb 21, 1984
Priority date	—
Expiry date	Dec 8, 2001

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B3/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

What are disclosed are methods for making a suspension suitable for use as a coating agent for medicaments by suspending a powder of certain vinyl copolymers in an aqueous solution or suspension of a plasticizer therefor, methods for converting such a suspension of copolymer in plasticizer into a film-forming solution or other extensively homogeneous phase, such suspensions and the film-forming conversion products thereof, and methods for coating medicaments with such suspensions and film-forming conversion products.

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