Microscope slide
AssigneeBoehringer Mannheim GmbH
InventorsDieter Berger, Werner Guthlein, Wolfgang Werner, Peter Rieckmann
Life of this patent
Estimating the term…
Abstract
Microscope slide for blood investigation having a coating of highly purified methylene blue N and highly purified cresyl violet acetate in a weight ratio of from 1:1.5 to 1:5.
Claims5
Microscope slide for blood investigation comprising a coating of chromatographically pure methylene blue N and cresyl violet acetate in a weight ratio of from 1:1.5 to 1:5.
Use of chromatographically pure methylene blue N and cresyl violet acetate in a weight ratio of from 1:1.5 to 1:5 for the production of pre-colored microscope slides for blood investigation.
Improved process for blood investigation wherein chromatographically pure methylene blue N and cresyl violet acetate in a weight ratio of from 1:1.5 to 1:5 are used on pre-colored microscope slides.
Dependencies are inferred from the claim text.