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EP0121874A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Water soluble polymers with low hygroscopicity

Assignee: BASF SE
•
Filing: 1984-03-30
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Granted: —
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Expires: 2004-03-30
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Abstract

Abstract Translated from German Leicht wasserlösliches und schwach hygroskopisches Terpolymerisat aus a) 10 bis 40 Gew.-% Vinylpyrroldion, b) 20 bis 50 Gew.-% Vinylacetat (VAc) oder Vinylpropionat und c) 10 bis 40 Gew.-% Hydroxyethylacrylat, Hydroxypropylacrylat oder Hydroxyethylmethacrylat, für dessen Zusammensetzung die folgende Gleichung gilt: (a), (VAc) und (c) stellen hierbei die prozentualen Gewichtsanteile der o.g. Komponenten im Terpolymerisat dar. Ihre Anwendung als Hilfsstoffe in der Kosmetik und Pharmazie wird ebenfalls beansprucht.Easily water-soluble and slightly hygroscopic terpolymer a) 10 to 40% by weight of vinyl pyrrole dione, b) 20 to 50 wt .-% vinyl acetate (VAc) or vinyl propionate and c) 10 to 40% by weight of hydroxyethyl acrylate, hydroxypropyl acrylate or hydroxyethyl methacrylate, the following equation applies to its composition: (a), (VAc) and (c) represent the percentages by weight of the above-mentioned components in the terpolymer. Their use as auxiliaries in cosmetics and pharmacy is also claimed.

Inventors

  • 👤 Ferdinand Dr. Straub
  • 👤 Axel Dr. Sanner
  • 👤 Karl Dr. Seib
  • 👤 Siegfried Dr. Lang

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 16:01
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1635; A61K9/20; A61K9/28; A61K9/2806; A61K9/2833; A61K9/284; A61K9/2846; A61K9/2853; C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F220/00; C08F220/02; C08F220/10; C08F220/20; C08F226/00; C08F226/06; C08F226/10

Claims Analysis

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References Cited (Backward Citations)

US3112215A Cited
US3445566A Cited
US3927199A Cited
US4012501A Cited

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