Growing community of inventors

Flemington, NJ, United States of America

Donald E Herr

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 = 2

Donald E HerrJohn Scott Hallock (2 patents)Donald E HerrDonald E Herr (2 patents)John Scott HallockJohn Scott Hallock (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Macdermid, Incorporated (1 from 135 patents)

2. Macdermid Acumen, Inc. (1 from 22 patents)


2 patents:

1. 5925719 - Photoresist developable in aqueous base made from acid-functional

2. 5919602 - Photocurable composition based on acid functional primary resinous

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as of
12/14/2025
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