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EP0082823A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for bleaching fibrous materials with oligomers of phosphonic acids as stabilizing agents in alcaline, peroxide-containing bleaching baths

Assignee: BASF Schweiz AG
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Filing: 1982-12-17
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Granted: —
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Expires: 2002-12-17
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Abstract

Abstract Translated from German Oligomere <IMAGE> oder ihre Alkalimetallsalze, worin Y1 Wasserstoff oder -CO-T1 ist, R1, Q1 und T1 Alkyl sind, und n1 1 bis 16 ist, als Stabilisatoren in peroxydhaltigen, alkalischen Flotten zum Bleichen von Cellulose enthaltenden Fasermaterialien. Oligomers <IMAGE> or their alkali metal salts, in which Y1 is hydrogen or -CO-T1, R1, Q1 and T1 are alkyl, and n1 is 1 to 16, as stabilizers in peroxide-containing, alkaline liquors for bleaching cellulose-containing fiber materials.

Inventors

  • 👤 Paul Dr. Schäfer
  • 👤 Hans-Ulrich Berendt

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 12:01
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; C11D3/394; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12

Claims Analysis

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References Cited (Backward Citations)

DE1082235B Cited
US3562169A Cited
US3621081A Cited

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