Patent · US Expired

Microscope slide

US4070495A · kind A · utility

5Cited by

1References

5Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Dieter Berger · Viernheim, DE
Werner Guthlein · Mannheim, DE
Wolfgang Werner · Hersbruck, DE
Peter Rieckmann

Key dates

Filing date	Mar 31, 1976
Grant date	Jan 24, 1978
Priority date	—
Expiry date	Mar 31, 1996

Classification

Technology area (CPC G)Physics
CPC primaryG01N1/30
WIPO fieldMeasurement
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.