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Tarvin, United Kingdom

John F Droughton

Average Co-Inventor Count = 4.00

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 = 11

John F Droughton ↔ Denis G Ballard (1 patent)John F Droughton ↔ Graham R Rideal (1 patent)John F Droughton ↔ Richard M Charnah (1 patent)John F DroughtonJohn F Droughton (1 patent)Denis G BallardDenis G Ballard (22 patents)Graham R RidealGraham R Rideal (7 patents)Richard M CharnahRichard M Charnah (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4324838 - Dry powder compositions of vermiculite lamellae and additives

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as of
12/16/2025
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