Inventor · disambiguated record
Joseph B. Hazen
Also filed as: HAZEN JOSEPH B
3 granted patents·76 citations·filing 1990–1992
73Inventor score
Files withSTANDARD OIL CO OHIO3
Top patents by PatentIndex Score
3 records- 0190US5334751AEthyl acetate from ethanolSTANDARD OIL CO OHIO·Filed 1992·Granted Aug 2, 1994·41 cites·2 claims
- 0269US5214016AMethod of making catalysts containing vanadium, antimony and tinSTANDARD OIL CO OHIO·Filed 1992·Granted May 25, 1993·28 cites·6 claims
- 0360US5304678AAcetic acid from ethyleneSTANDARD OIL CO OHIO·Filed 1990·Granted Apr 19, 1994·7 cites·16 claims
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