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Wilmington, DE, United States of America

Robert Jay DeFranco

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 = 35

Robert Jay DeFrancoRichard M Scribner (1 patent)Robert Jay DeFrancoRobert Jay DeFranco (1 patent)Richard M ScribnerRichard M Scribner (12 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (1 from 16,338 patents)


1 patent:

1. 3975399 - 1,5-Disubstituted-2-pyrrolidinones, -3-pyrrolin-2-ones, and

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12/29/2025
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