Inventor · disambiguated record
John C. Oppelt
Also filed as: OPPELT JOHN C · OPPELT JOHN CHRISTIAN · SAVIDES CHRISTOS
7 granted patents·37 citations·filing 1974–1998
82Inventor score
Files withAMERICAN CYANAMID CO7
Top patents by PatentIndex Score
7 records- 0178US3992434AEthanol- and substituted ethanolamides of hindered 3,5-dialkyl-4-hydroxybenzoic acidsAMERICAN CYANAMID CO·Filed 1974·Granted Nov 16, 1976·11 cites·4 claims
- 0259US3972927AAlkylamides of hindered 3,5-dialkyl-4-hydroxybenzoic acids and use as light stabilizers in polyolefinsAMERICAN CYANAMID CO·Filed 1974·Granted Aug 3, 1976·8 cites·6 claims
- 0355US4052361AN-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hindered 3,5-dialkyl-4-hydroxybenzoic acids and use as light stabilizers in polyolefinsAMERICAN CYANAMID CO·Filed 1974·Granted Oct 4, 1977·7 cites·10 claims
- 0451US4066614AHeterocyclicamides of hindered 3,5-dialkyl-4-hydroxybenzoic acids and use as light stabilizers in polyolefinsAMERICAN CYANAMID CO·Filed 1974·Granted Jan 3, 1978·6 cites·10 claims
- 0543US4217267APolymeric pentaerythrityl phosphonates and their use as flame retardantsAMERICAN CYANAMID CO·Filed 1978·Granted Aug 12, 1980·5 cites·5 claims
- 0629US5886223AProcess for the preparation of substituted β-ketoanilide compoundsAMERICAN CYANAMID CO·Filed 1998·Granted Mar 23, 1999·0 cites·16 claims
- 0727US4152321ALight-stable polymer compositions and processes thereforAMERICAN CYANAMID CO·Filed 1978·Granted May 1, 1979·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →