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Invention Grant
US3672816A Process for dyeing synthetic polyamide textiles with disazo dyestuffs 失效
合成聚氨酯纺织品的脱色工艺

  • Patent Title: Process for dyeing synthetic polyamide textiles with disazo dyestuffs
  • Patent Title (中): 合成聚氨酯纺织品的脱色工艺
  • Application No.: US3672816D
    Application Date: 1970-07-09
  • Publication No.: US3672816A
    Publication Date: 1972-06-27
  • Inventor: DEHNERT JOHANNES
  • Applicant: BASF AG
  • Assignee: Basf Ag
  • Current Assignee: Basf Ag
  • Priority: DE1935004 1969-07-10
  • Main IPC: C09B35/215
  • IPC: C09B35/215 ;  D06P1/02
Process for dyeing synthetic polyamide textiles with disazo dyestuffs
Abstract:
PROCESS FOR THE FAST DYEING OF SYNTHETIC POLYAMIDES WITH DISAZO DYES DERIVED FORM 4,4''-DIAMINO-STILBENE-2,2''-DISULFONIC ACID AS DIAZO COMPONENT AND A PHENOL OR PHENOLS AS COUPLING COMPONENT.
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