← Back to Patent Explorer
EP0379082A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hair-fixing agent

Assignee: BASF SE
•
Filing: 1990-01-12
•
Granted: —
•
Expires: 2010-01-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The agent contains as film-formers copolymers based on tert.-butyl acrylate and/or tert.-butyl methacrylate with a K value of 10 to 50, obtainable by free-radical polymerisation of A) 75 to 99 % by weight of tert.-butyl acrylate and/or tert.-butyl methacrylate, B) 1 to 25 % by weight of acrylic acid and/or methacrylic acid and C) 0 to 10 % by weight of another monomer which can undergo free- radical copolymerisation, where the carboxyl groups of the copolymers are completely or partially neutralised by amines.

Inventors

  • 👤 Birgit Dr. Potthoff-Karl
  • 👤 Axel Dr. Sanner
  • 👤 Karin Dr. Sperling-Vietmeier

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 20:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61Q; A61Q5/00; A61Q5/06

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag