Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB27691/50A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laboratoires Francais de Chimiotherapie SA
Original Assignee
Laboratoires Francais de Chimiotherapie SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laboratoires Francais de Chimiotherapie SAfiledCriticalLaboratoires Francais de Chimiotherapie SA
Publication of GB678346ApublicationCriticalpatent/GB678346A/en
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/60—Salicylic acid; Derivatives thereof
Landscapes
Health & Medical Sciences
(AREA)
Chemical & Material Sciences
(AREA)
Medicinal Chemistry
(AREA)
Pharmacology & Pharmacy
(AREA)
Epidemiology
(AREA)
Life Sciences & Earth Sciences
(AREA)
Animal Behavior & Ethology
(AREA)
General Health & Medical Sciences
(AREA)
Public Health
(AREA)
Veterinary Medicine
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Aqueous solutions of salts of p-amino salicylic acid are stabilized by the addition at a pH of 7-8 of alkali or alkaline earth sulphites or hydrosulphites, or both, in a quantity to leave an excess of not more than 0.75 per cent by weight but exceeding 0.03 per cent.
GB27691/50A1949-11-291950-11-13Improvements in the preparation of aqueous solutions of salts of p-amino-salicylic acid
ExpiredGB678346A
(en)