Patent · US Expired

Process for stabilization of bacampicillin hydrochloride

US4626532A · kind A · utility

1Cited by

1References

12Claims

0Family size

Assignee

Astra Lakemedel Aktiebolag · SE

Inventors

Ulf Kjellberg · Åkersberga, SE
Per Nyqvist · Tullinge, SE
Jan U. Stenhede · Hagfors, SE
Lars Stenmark · Karlskoga, SE

Key dates

Filing date	Oct 29, 1985
Grant date	Dec 2, 1986
Priority date	—
Expiry date	Oct 29, 2005

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/1623
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A new process for the stabilization of bacampicillin hydrochloride against degradation by humidity characterized by the incorporation of between 3 to 9% by weight of straight-chain alkanes, alkenes, fatty acids, alcohols, and esters of fatty acids and alcohols with molecular weights between 144 and 350, which may be carried out in one step together with wetmassing for granulation.

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