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Phoenixville, PA, United States of America

Donald Nathaniel Klein

Average Co-Inventor Count = 5.00

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 = 0

Donald Nathaniel KleinRobert L Webb (2 patents)Donald Nathaniel KleinNeil Howard Baine (2 patents)Donald Nathaniel KleinGary Edward Zuber (2 patents)Donald Nathaniel KleinNeville Lewis Holder (2 patents)Donald Nathaniel KleinDonald Nathaniel Klein (2 patents)Robert L WebbRobert L Webb (21 patents)Neil Howard BaineNeil Howard Baine (6 patents)Gary Edward ZuberGary Edward Zuber (2 patents)Neville Lewis HolderNeville Lewis Holder (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Smithkline Beecham Corporation (2 from 2,198 patents)


2 patents:

1. 5859266 - 'N-T-butyl-androst-3-5-diene-17 .beta.-carboxamide-3-carboxylic' acid

2. 5596109 - N-t-butyl-androst-3,5-diene-17.beta.-carboxamide-3-carboxylic acid

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as of
12/13/2025
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