DR

Denis Robert Annesley Ridyard

IC ICI: 1 patents #51 of 206Top 25%
Overall (1982): #69,455 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4330468 Water soluble monoazo dyes for nylon David Brierley, Michael Yelland 1982-05-18