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EP0446473A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hydrogel foams and process for their preparation

Assignee: Beiersdorf AG
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Filing: 1990-12-20
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Granted: —
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Expires: 2010-12-20
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Abstract

Abstract Translated from German Hydrogelschäume, a) basierend auf Gelatine und Wasser, b) enthaltend gegebenenfalls Polyvinylalkohol, c) enthaltend einen Vernetzer, gewählt aus der Gruppe ca) der Verbindungen mindestens dreiwertiger Metalle oder Halbmetalle, z.B. Borsäure, Borate, Aluminiumsalze, Titanate, Alkyltitanate und/oder der Gruppe der, cb) organischen und/oder anorganischen Säuren und/oder deren Salzen, z.B. Gallussäure, Gallate, Phosphorsäuren, Phosphate, Dihydroxybenzoesäure, Dihydroxybenzoate d) sowie gegebenenfalls enthaltend organische Weichmacher, und/oder Hilfs- und/oder Zusatzstoffe. Hydrogel foams, a) based on gelatin and water, b) optionally containing polyvinyl alcohol, c) containing a crosslinker selected from group ca) of the compounds of at least trivalent metals or semimetals, e.g. Boric acid, borates, aluminum salts, titanates, alkyl titanates and / or the group of, cb) organic and / or inorganic acids and / or their salts, e.g. Gallic acid, gallates, phosphoric acids, phosphates, dihydroxybenzoic acid, dihydroxybenzoates d) and optionally containing organic plasticizers and / or auxiliaries and / or additives.

Inventors

  • 👤 Günter Sachau
  • 👤 Katrin Dr. Borgschulte
  • 👤 Hanns Dr. Pietsch

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 12:32
CPC Classifications
A; A61; A61L; A61L26/00; A61L26/0061; A61L26/0085; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L26/0009; A61L26/0028; A61L26/0038; A61L26/008; C; C08; C08L; C08L89/00; C08L89/04; C08L89/06

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