IP Library › Granted Patent US 4,665,016
Granted Patent Utility
US 4,665,016 · App. 06/843,919

Chromogenic compounds, a process for their preparation and their use

Inventors: Helmut Heber, Reinhard Eberle, Volker Teetz
Patented Case View Patent ↗
Granted: May 12, 1987 Filed: Mar 21, 1986
Inventors
Helmut Heber
Reinhard Eberle
Volker Teetz
Assignee (at issue)
Behringwerke Aktiengesellschaft

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Quick Facts
Patent No.
US 4,665,016
App. No.
06/843,919
Filed
1986-03-21
Granted
1987-05-12
Kind
A