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Liquid for treating tissue in histologic processing

  • US 2,684,925 A
  • Filed: 03/16/1949
  • Issued: 07/27/1954
  • Est. Priority Date: 03/16/1949
  • Status: Expired due to Term
First Claim
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13. THE METHOD OF TREATING HISTOLOGICAL TISSUE IN THE PROCESSING THEREOF FOR MICROSCOPIC EXAMINATION, COMPRISING DEHYDRATING THE TISSUE AFTER FIXATION BY IMMERSING THE FIXED TISSUE IN A LIQUID COMPRISING AS THE ESSENTIAL INGREDIENTS THEREOF A MAJOR PROPORTION OF DIETHYLENE GLYCOL MONOETHYL ETHER ACETATE AND A MINOR PROPORTION OF ISOPROPANOL, INFILTRATING THE DEHYDRATED TISSUE WITH AN INFILTRATING AGENT REMOVABLE BY AN AROMATIC HYDROCARBON SOLVENT, CUTTING THE INFILTRATED TISSUE INTO SECTIONS FOR SLIDES, REMOVING SAID INFILTRATING AGENT FROM SAID SECTIONS BY IMMERSING THEM IN SAID SOLVENT, AND REMOVING SAID SOLVENT FROM SAID SECTIONS BY IMMERSING THEM IN SAID FIRST METNTIONED LIQUID, THEREAFTER STAINING SAID SECTIONS, AND REMOVING EXCESS STAIN THEREFROM BY APPLYING SAID FIRST MENTIONED LIQUID THERETO.

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