Growing community of inventors

Manchester, United Kingdom

David William Plant

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 17

David William Plant ↔ Allen Crabtree (1 patent)David William Plant ↔ David John Williams (1 patent)David William Plant ↔ William J Marshall (1 patent)David William PlantDavid William Plant (2 patents)Allen CrabtreeAllen Crabtree (5 patents)David John WilliamsDavid John Williams (1 patent)William J MarshallWilliam J Marshall (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Imperial Chemical Industries Limited (2 from 3,840 patents)


2 patents:

1. 4139345 - Dyeing process and compositions for use therein

2. 4092478 - Triphendioxazine triazinyl dyes having phosphonic acid groups

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as of
12/30/2025
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