Inventor · disambiguated record
Alvin Allen
Also filed as: ALLEN ALVIN · ALLEN ALVIN E
5 granted patents·267 citations·filing 1974–1997
85Inventor score
Top patents by PatentIndex Score
5 records- 0195US4075031ATiO2 Pigment coated with dense silica and porous alumina/silicaDU PONT·Filed 1976·Granted Feb 21, 1978·84 cites·10 claims
- 0289US5922120AProcess for producing coated TiO2 pigment using cooxidation to provide hydrous oxide coatingsDU PONT·Filed 1997·Granted Jul 13, 1999·74 cites·12 claims
- 0384US5201949ATiO2 manufacturing processDU PONT·Filed 1992·Granted Apr 13, 1993·45 cites·25 claims
- 0476US5728205AProcess for the addition of boron in a TiO2 manufacturing processDU PONT·Filed 1996·Granted Mar 17, 1998·31 cites·23 claims
- 0573US3978191AProcess and apparatus for preparing double edge on flexible sheet materialBALTIMORE AIRCOIL CO INC·Filed 1974·Granted Aug 31, 1976·33 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →