For the Inventor, By the Inventor

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Malvern, PA, United States of America

Ecovyst Catalyst Technologies LLC

USPTO Granted Patents = 3

EPO Patents = 1

Trademarks = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Parag Rasiklal Shah (3 out of 5 patents)

Yatao Rachel Hu (3 out of 12 patents)

Myoung Kie Lee (1 out of 3 patents)

4. Robert Joseph Parker (1 out of 3 patents)

5. David George Collopy (1 out of 2 patents)

6. Hong-Xin Li (33 patents)

7. Anton Petushkov (6 patents)

8. William E Cormier (1 patent)

3 patents: Sort by Forward Citations

1. 12370529 - Method for manufacturing a supported tantalum catalyst (2025-07-29),

2. 12304975 - Chromium-on-silica catalysts and methods of making the same (2025-05-20),

3. 12048915 - Method for manufacturing a supported tantalum catalyst (2024-07-30),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#74 in Malvern, PA

#2,674 in Pennsylvania

#73,717 in US

Malvern, PA, United States of America

Ecovyst Catalyst Technologies LLC

Forward Citations = 0

5 inventors:

Parag Rasiklal Shah (3 out of 5 patents)

Yatao Rachel Hu (3 out of 12 patents)

Myoung Kie Lee (1 out of 3 patents)

4. Robert Joseph Parker (1 out of 3 patents)

5. David George Collopy (1 out of 2 patents)

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