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Gwynedd, United Kingdom

Ian Butler

Average Co-Inventor Count = 2.40

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 = 1

Ian ButlerGraham Ronald Eastham (2 patents)Ian ButlerKevin Fortune (1 patent)Ian ButlerIan Butler (2 patents)Graham Ronald EasthamGraham Ronald Eastham (32 patents)Kevin FortuneKevin Fortune (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lucite International UK Limited (2 from 64 patents)


2 patents:

1. 9809611 - Carbonylation ligands and their use in the carbonylation of ethylenically unsaturated compounds

2. 7485739 - Catalyst system

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12/15/2025
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