Moisture-activatable adhesives for medical application purposes
AssigneeLTS Lohmann Therapie-Systeme AG
InventorMarc Riemenschnitter
Life of this patent
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Abstract
An adhesive for medical patches or for transdermal therapeutic systems which contains a component or a combination of at least two components, such as (a) polyvinyl alcohols, (b) cellulose derivatives, (c) polyethers, (d) acid anhydrides and their acids and salts, as well as (e) non-pressure-sensitive adhesive polyacrylates, said. The adhesive has having a tackiness which is activated and/or increased by contact with moisture or by absorption of moisture.
Claims24
An adhesive for medical patches or for transdermal therapeutic systems, said adhesive having a tackiness which is activated and/or increased by contact with moisture or by absorption of moisture, said adhesive comprising at least one component selected from the group consisting of (a) polyvinyl alcohols, (b) cellulose derivatives, (c) polyethers, (d) acid anhydrides including acids and salts of acid anhydrides;
- and (e) non-pressure-sensitive polyacrylates, wherein at least two components differ from each other by each being a member of a different class (a) to (e);
- and wherein said adhesive contains at least one film-forming polymer from the group of non-pressure-sensitive polyacrylates and at least one organic acid.
Dependencies are inferred from the claim text.