← Back to Patent Explorer
EP0339508A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Mouth-soluble pharmaceutical compositions containing acetylcysteine

Assignee: Altergon SA
•
Filing: 1989-04-21
•
Granted: —
•
Expires: 2009-04-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Mouth-soluble pharmaceutical compositions comprising acetylcysteine, alkaline bicarbonates, carbohydrates and fruit flavouring, produced in the form of tablets for treating affections of the oral cavity.

Inventors

  • 👤 Antonio Ziggiotti
  • 👤 Paolo Lualdi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 17:09
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056; A61K9/20; A61K9/2004; A61K9/2009; A61K9/2013; A61K9/2018

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 13 words
Mouth-soluble pharmaceutical compositions characterised by containing acetylcysteine, alkaline bicarbonates, carbohydrates and fruit flavouring.
Claim 2
Dependent Claim 13 words
Mouth-soluble pharmaceutical compositions characterised by containing acetylcysteine, alkaline bicarbonates, carbohydrates and fruit flavouring.
Claim 3
Dependent Claim 28 words
Compositions as claimed in claim 1, characterised in that said alkaline bicarbonates are sodium bicarbonate and potassium bicarbonate in a NaHCO₃/KHCO₃ weight ratio of between 93:7 and 97:3.
Claim 4
Dependent Claim 27 words
Compositions as claimed in claim 1, characterised in that the weight ratio of the total of said alkaline bicarbonates to the acetylcysteine is between 45:100 and 55:100.
Claim 5
Dependent Claim 27 words
Compositions as claimed in claim 1, characterised in that said carbohydrates are mixtures of sorbitol and fructose with a sorbitol/fructose weight ratio of between 0.8:1.2 and 1.2:0.8.
Claim 6
Dependent Claim 27 words
Compositions as claimed in claim 1, characterised in that said carbohydrates are mixtures of sorbitol and xylitol with a sorbitol/xylitol weight ratio of between 0.8:1.2 and 1.2:0.8.
Claim 7
Dependent Claim 27 words
Compositions as claimed in claim 1, characterised in that said carbohydrates are mixtures of xylitol and fructose with a xylitol/fructose weight ratio of between 0.8:1.2 and 1.2:0.8.
Claim 8
Dependent Claim 23 words
Compositions as claimed in claim 1, characterised in that the weight ratio of said carbohydrates to the acetylcysteine is between 20:1 and 50:1.
Claim 9
Dependent Claim 21 words
Compositions as claimed in claim 1, characterised in that said flavouring is chosen from orange, lemon, grapefruit, peach and apricot flavouring.
Claim 10
Dependent Claim 28 words
Compositions as claimed in claim 1, characterised in that they are in the form of tablets with an acetylcysteine content of between 50 and 300 mg per dose.
Claim 11
Dependent Claim 18 words
The use of acetylcysteine in the preparation of mouth-­soluble pharmaceutical compositions for treating affections of the oral cavity.
Claim 12
Dependent Claim 18 words
The use of acetylcysteine in the preparation of mouth-­soluble pharmaceutical compositions for treating affections of the oral cavity.

References Cited (Backward Citations)

DE304574C Cited
US3591686A Cited
US3629452A Cited
FR2336123A1 Cited
GB2192789A Cited
GB2192790A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag