MV

Maurice Rene Jean Vallette

PK Produits Chimiques Uging Kuhlmann: 2 patents #15 of 118Top 15%
📍 Précy-sur-Oise, FR: #3 of 3 inventorsTop 100%
Overall (All Time): #2,372,396 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4307021 Process for obtaining 1,5-dinitro-anthraquinone of high purity — 1981-12-22
4307022 Process for obtaining .alpha.,.alpha.'-dinitro anthraquinones of high purity — 1981-12-22