NR

Norman L. Roberts

IC ICI: 2 patents #677 of 2,189Top 35%
Overall (All Time): #2,362,984 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4393214 Preparation of 2-chloro-5-trifluoromethylpyridine and 2-chloro-5-perchlorofluoromethylpyridines Graham Whitaker 1983-07-12
4288600 Preparation of 2-chloro-5-trifluoromethylpyridine and 2-chloro-5-perchlorofluoromethylpyridines Graham Whittaker 1981-09-08