Inventor · disambiguated record
Ralph D. May
Also filed as: MAY RALPH D
3 granted patents·32 citations·filing 1988–1992
69Inventor score
Files withPFIZER3
Top patents by PatentIndex Score
3 records- 0150US5178796AMethod for oxygen removal with keto-gluconatesPFIZER·Filed 1992·Granted Jan 12, 1993·11 cites·9 claims
- 0250US4851130AOxygen removal with carbon catalyzed erythorbate or ascorbatePFIZER·Filed 1988·Granted Jul 25, 1989·18 cites·10 claims
- 0331US5114618AOxygen removal with keto-gluconatesPFIZER·Filed 1990·Granted May 19, 1992·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →