Inventor · disambiguated record
John T. Ouderkirk
Also filed as: OUDERKIRK JOHN T
2 granted patents·13 citations·filing 1981–1988
53Inventor score
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2 records- 0139US4968352ADiaryl pigments with improved heat stability and transparency containing coupled mixed bis-diazotized diamines and acid-substituted aromatic aminesHOECHST CELANESE CORP·Filed 1988·Granted Nov 6, 1990·12 cites·21 claims
- 0229US4414033AProcess for preparing ferriferrocyanide pigmentsBASF WYANDOTTE CORP·Filed 1981·Granted Nov 8, 1983·1 cites·7 claims
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