VR

Visvanathan Ramanathan

CI Ciba-Geigy: 1 patents #150 of 464Top 35%
Overall (1989): #46,422 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855084 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof Rudolf Duthaler, Jurgen Finter, Walter Fischer 1989-08-08