EP0480189A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Pharmaceutical compositions for topical use comprising hyaluronic acid sodium salt and disinfectant substances
Assignee: Altergon SA
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Filing: 1991-09-11
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Granted: —
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Expires: 2011-09-11
Abstract
Abstract Pharmaceutical compositions for topical use comprising hyaluronic acid sodium salt and disinfectant substances chosen from the group consisting of cresol derivatives, hexetidine, sulfadiazine silver and sulfadiazine zinc salt for the treatment of sores, ulcerations and burns.
Inventors
- 👤 Elisabetta Donati Pedemonti
- 👤 Paolo Lualdi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
28 words
Pharmaceutical compositions for topical use comprising hyaluronic acid sodium salt and disinfectant substances chosen from the group consisting of cresol derivatives, hexetidine, sulfadiazine silver and sulfadiazine zinc salt.
Claim 2
Dependent Claim
28 words
Pharmaceutical compositions for topical use comprising hyaluronic acid sodium salt and disinfectant substances chosen from the group consisting of cresol derivatives, hexetidine, sulfadiazine silver and sulfadiazine zinc salt.
Claim 3
Dependent Claim
16 words
Compositions as claimed in claim 1, characterised in that said cresol derivatives are chloroxylenol and dichloroxylenol.
Claim 4
Dependent Claim
47 words
Compositions as claimed in claim 1, characterised by comprising as excipients and diluents hydroxypropylmethyl-cellulose, sorbitol, glycerin, polyoxyethylenated glycolyzed glycerides, polyethyleneglycol stearate, stearic acid, oleic acid decyl ester, caprylic and caproic acid esters, ethoxylated glycerides of palmitic and lauric acids, polymerized polyvinyl alcohol, self-emulsifying wax and non-denatured collagen.
Claim 5
Dependent Claim
26 words
Compositions as claimed in claim 1, characterised by being prepared in the form of oil-in-water emulsions, water-in-oil emulsions, hydrogels, pastes, ointments, lotions and powders for sprinkling.
Claim 6
Dependent Claim
33 words
Compositions as claimed in claim 1, characterised by a hyaluronic acid sodium salt content of between 0.1 and 0.5% by weight and a disinfectant substance content of between 0.1 and 2.0% by weight.
Claim 7
Dependent Claim
15 words
Compositions as claimed in claim 1, characterised by a pH of between 4 and 7.
Claim 8
Dependent Claim
27 words
Compositions as claimed in claim 1, characterised in that when prepared in the form of a water-in-oil emulsion they have an HLB of between 1 and 5.
Claim 9
Dependent Claim
27 words
Compositions as claimed in claim 1, characterised in that when prepared in the form of an oil-in-water emulsion they have an HLB of between 6 and 21.
Claim 10
Dependent Claim
37 words
The use of pharmaceutical compositions comprising hyaluronic acid sodium salt and disinfectant substances chosen from the group consisting of cresol derivatives, hexetidine, sulfadiazine silver and sulfadiazine zinc salt for the topical treatment of sores, ulcerations and burns.
Claim 11
Dependent Claim
37 words
The use of pharmaceutical compositions comprising hyaluronic acid sodium salt and disinfectant substances chosen from the group consisting of cresol derivatives, hexetidine, sulfadiazine silver and sulfadiazine zinc salt for the topical treatment of sores, ulcerations and burns.
References Cited (Backward Citations)
GB1240545A
Cited
US4736024A
Cited
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