Patent · US Expired

Gelatin containing .beta.-carotene

US4693892A · kind A · utility

7Cited by

2References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Ahmed Hegasy · Leverkusen, DE
Manfred Winter · Dittelsheim-Heßloch, DE

Key dates

Filing date	Sep 5, 1986
Grant date	Sep 15, 1987
Priority date	—
Expiry date	Sep 5, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0033
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Light-fast capsules for dihydropyridines such as nifedipine and nisoldipine are formed of gelatin colored with a mixture of .beta.-carotene and iron oxide.

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