Growing community of inventors

Chesham, United Kingdom

Stephen J Butterworth

Average Co-Inventor Count = 3.00

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 = 12

Stephen J Butterworth ↔ Alan S Baker (2 patents)Stephen J Butterworth ↔ Jheeta K Ravinder (1 patent)Stephen J Butterworth ↔ Ravinder K Jheeta (1 patent)Stephen J ButterworthStephen J Butterworth (2 patents)Alan S BakerAlan S Baker (13 patents)Jheeta K RavinderJheeta K Ravinder (1 patent)Ravinder K JheetaRavinder K Jheeta (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


2 patents:

1. 5380465 - Emulsifiers for polymerization process

2. 4786681 - Polymerization process

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as of
12/10/2025
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