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Aurora, IL, United States of America

Roger Uhrhammer

Average Co-Inventor Count = 2.54

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 = 27

Roger Uhrhammer ↔ John P Lalka (3 patents)Roger Uhrhammer ↔ Jerome A Streeky (2 patents)Roger Uhrhammer ↔ Richard A Hall (2 patents)Roger Uhrhammer ↔ Klaus Heyne (1 patent)Roger Uhrhammer ↔ Michael Grün (1 patent)Roger Uhrhammer ↔ Claudine Mollenkopf (1 patent)Roger Uhrhammer ↔ Sam Lee (1 patent)Roger Uhrhammer ↔ Michael GRÜN (0 patent)Roger UhrhammerRoger Uhrhammer (6 patents)John P LalkaJohn P Lalka (3 patents)Jerome A StreekyJerome A Streeky (5 patents)Richard A HallRichard A Hall (2 patents)Klaus HeyneKlaus Heyne (2 patents)Michael GrünMichael Grün (1 patent)Claudine MollenkopfClaudine Mollenkopf (1 patent)Sam LeeSam Lee (1 patent)Michael GRÜNMichael GRÜN (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ineos USA LLC (3 from 54 patents)

2. Degussa Aktiengesellschaft (1 from 1,678 patents)

3. Bp Corporation North America Inc. (1 from 494 patents)

4. Innovene USA LLC (1 from 1 patent)

5. Ineos Europe Ag (60 patents)

6. Ineos Technologies USA LLC (0 patent)


6 patents:

1. 8288606 - Propylene polymer catalyst donor component

2. 7767772 - Spherical particles

3. 7674943 - Propylene polymer catalyst donor component

4. 7491781 - Propylene polymer catalyst donor component

5. 7041757 - Latent metallocene catalyst systems for olefin polymerization

6. 6803339 - Latent metallocene catalyst systems for olefin polymerization

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as of
12/16/2025
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