Inventor · disambiguated record
Donald B. Stain
Also filed as: STAIN DONALD B
6 granted patents·119 citations·filing 1980–1988
85Inventor score
Top patents by PatentIndex Score
6 records- 0184US4588573AMethod for the production of potassium sulfate using sulfuric acid and potassium chloridePRODECO INC·Filed 1984·Granted May 13, 1986·31 cites·10 claims
- 0276US4956154ASelective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutionsUNC RECLAMATION·Filed 1988·Granted Sep 11, 1990·23 cites·10 claims
- 0376US4554151AProcess for producing K3 H(SO4)2 crystals and potassium sulfate crystalsPRODECO INC·Filed 1983·Granted Nov 19, 1985·21 cites·6 claims
- 0472US4885148AProduction of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet processPHOSPHATE ENGINEERING & CONSTR·Filed 1988·Granted Dec 5, 1989·22 cites·19 claims
- 0547US4404173AApparatus for contacting substantially immiscible liquidsUNC RECOVERY CORP·Filed 1980·Granted Sep 13, 1983·12 cites·9 claims
- 0638US4439405AMethod for varying the mixing time and proportions in the contacting of substantially immiscible liquidsUNC RECOVERY CORP·Filed 1982·Granted Mar 27, 1984·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →