Inventor · disambiguated record
Donald F. Rugen
Also filed as: RUGEN DONALD F
4 granted patents·51 citations·filing 1979–1986
76Inventor score
Top patents by PatentIndex Score
4 records- 0180US4287074ASec-ylbiphenyl composition and process for preparing the sameSUN OIL CO PENNSYLVANIA·Filed 1980·Granted Sep 1, 1981·17 cites·6 claims
- 0254US4294742APlasticized vinyl resins containing a linear mono C12 alkyl diphenyl compoundSUN OIL CO PENNSYLVANIA·Filed 1980·Granted Oct 13, 1981·10 cites·2 claims
- 0351US4743385AOil recovery agentSUN REFINING & MARKETING·Filed 1986·Granted May 10, 1988·23 cites·4 claims
- 0437US4247721AProcess for purification of p-isopropyl phenolSUN OIL CO PENNSYLVANIA·Filed 1979·Granted Jan 27, 1981·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →