Inventor · disambiguated record
Ronald J. Harkrader
Also filed as: HARKRADER RONALD J
8 granted patents·358 citations·filing 1988–1999
90Inventor score
Top patents by PatentIndex Score
8 records- 0182US5133981APurification of benzophenanthridine alkaloids extracts from alkaloid extractsATRIX LAB INC·Filed 1989·Granted Jul 28, 1992·17 cites·10 claims
- 0281US5013553ADrug delivery devicesVIPONT PHARMA·Filed 1989·Granted May 7, 1991·74 cites·28 claims
- 0374US5324520AIntragingival delivery systems for treatment of periodontal diseaseVIPONT PHARMA·Filed 1993·Granted Jun 28, 1994·172 cites·15 claims
- 0468US4975271AMuscosal delivery systems for treatment of periodontal diseaseVIPONT PHARMA·Filed 1988·Granted Dec 4, 1990·36 cites·8 claims
- 0562US6277416B1Pesticides comprising benzophenanthridine alkaloidsCAMAS TECHNOLOGIES INC·Filed 1999·Granted Aug 21, 2001·14 cites·15 claims
- 0657US5175000AFree amine benzophenanthridine alkaloid compositionsVIPONT PHARMA·Filed 1991·Granted Dec 29, 1992·19 cites·19 claims
- 0749US5395615AFree amine benzophenanthridine alkaloid compositionsVIPONT PHARMA·Filed 1992·Granted Mar 7, 1995·12 cites·20 claims
- 0849US5066483AOral rinse compositionsVIPONT PHARMA·Filed 1990·Granted Nov 19, 1991·14 cites·10 claims
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