Patent · US Expired

Delayed-action acetylsalicylic acid formulations for oral administration

US4601895A · kind A · utility

9Cited by

22References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Bernhard Streuff · Wermelskirchen, DE
Johann Putter, deceased · Wuppertal, DE

Key dates

Filing date	Dec 6, 1984
Grant date	Jul 22, 1986
Priority date	—
Expiry date	Dec 6, 2004

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P29/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A delayed-action acetylsalicylic acid formulation comprising by weight 60 to 90% of acetylsalicylic acid, 8 to 40% pregelatinized starch, and 0 to 30% of additives. The amount of starch controls the rate of release.

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