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Wilmslow, United Kingdom

David E Allen

Average Co-Inventor Count = 3.00

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

David E Allen ↔ John D Hildreth (1 patent)David E Allen ↔ David G Haslam (1 patent)David E AllenDavid E Allen (1 patent)John D HildrethJohn D Hildreth (3 patents)David G HaslamDavid G Haslam (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Clayton Aniline Co., Ltd. (1 from 3 patents)


1 patent:

1. 4256671 - Production of 2,4- and 2,6-diaminotoluenes

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12/18/2025
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