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Aurora, IL, United States of America

John P Lalka

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 26

John P Lalka ↔ Roger Uhrhammer (3 patents)John P LalkaJohn P Lalka (3 patents)Roger UhrhammerRoger Uhrhammer (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ineos USA LLC (3 from 54 patents)

2. Ineos Technologies USA LLC (0 patent)


3 patents:

1. 8288606 - Propylene polymer catalyst donor component

2. 7674943 - Propylene polymer catalyst donor component

3. 7491781 - Propylene polymer catalyst donor component

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as of
12/18/2025
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