Growing community of inventors

Cincinnati, OH, United States of America

Douglas D Keller

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 13

Douglas D KellerMorgan L Gibbs (1 patent)Douglas D KellerDouglas D Keller (1 patent)Morgan L GibbsMorgan L Gibbs (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Quantum Chemical Company (1 from 2 patents)


1 patent:

1. 5574082 - Propylene polymer compositions having improved color and stabilizers

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as of
12/16/2025
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