Patent title: Prepare sensors for H2S-NH3 gases from heterogeneous bismuth compounds
International classification reference no. (7 G 01 N 27/12) – Russia : (RU 2184957 C1)
Dr. Hussein J. Mohammed, Prof. / College of Science – University of Kufa
K. B. Apekcaldpobni
Macpob L. Pabpobni
This patent granted on the basis of the provisions of Patent Act No. 14 year 1992 from Moscow , Russia.
Date of obtaining the patent: 10/07/2002