Inventor · disambiguated record
John I. Darragh
Also filed as: DARRAGH JOHN I · DARRAGH JOHN IRVINE
4 granted patents·6 citations·filing 1976–1978
64Inventor score
Files withICI LTD4
Top patents by PatentIndex Score
4 records- 0155US4089863AProcess for producing pyridine and methyl pyridinesICI LTD·Filed 1976·Granted May 16, 1978·4 cites·8 claims
- 0239US4125562APreparation of 4,4'-dihydroxydiphenylsulfonesICI LTD·Filed 1978·Granted Nov 14, 1978·1 cites·9 claims
- 0334US4073787AManufacture of pyridine and methylpyridinesICI LTD·Filed 1977·Granted Feb 14, 1978·1 cites·5 claims
- 0427US4072684AManufacture of pyridine and methylpyridinesICI LTD·Filed 1977·Granted Feb 7, 1978·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →