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WO1990010020A1 Expired / Lapsed WO ⏱️ 0.0 years remaining

Novel compositions containing hyaluronic acid associates and a process for preparing same

Assignee: Richter Gedeon Vegyeszeti Gyar Nyrt
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Filing: 1990-02-20
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Granted: —
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Expires: 2010-02-20
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Abstract

Abstract The invention relates to novel associates (complexes) of deprotonated hyaluronic acid and 3d metal ions of the 4th period of the periodic table and compositions containing these associates (complexes) as active ingredients or carriers. The invention further relates to a process for the preparation of the above novel associates (complexes) and compositions (pharmaceutical and cosmetic compositions) containing these associates (complexes) as active ingredients. In these compositions, zinc hyaluronate is preferably used as active ingredient.

Inventors

  • 👤 Kálmán BURGER
  • 👤 Géza TAKÁCSI NAGY
  • 👤 Iván RÉTHEY
  • 👤 János ILLÉS
  • 👤 Béla Stefkó
  • 👤 Erzsébet NESZMÉLYI
  • 👤 István GEBHARDT
  • 👤 István RÁCZ
  • 👤 Árpádné KIRÁLY
  • 👤 Viktória VÁRKONYI

Bibliographic Details

Application Number —
Jurisdiction WO
Data Source google_patents
Last Synchronized 2026-10-23 05:22
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0027; C08B37/003; A; A61; A61K; A61K31/00; A61K31/70; A61K31/715; A61K47/00; A61K47/30; A61K47/36; A61K47/50; A61K47/51; A61K47/56; A61K47/61; A61K8/00; A61K8/18; A61K8/19; A61K8/27; A61K8/72; A61K8/73; A61K8/735; A61K9/00; A61K9/0012; A61K9/0014; A61K9/0019; A61P; A61P17/00; A61P17/02; A61P43/00; A61Q; A61Q19/00; C08B37/006; C08B37/0063; C08B37/0072; A61K2800/00; A61K2800/40; A61K2800/58

Claims Analysis

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References Cited (Backward Citations)

US4746504A Cited
WO1987007060A1 Cited

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