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Houston, TX, United States of America

Malcolm Pettigrew

Average Co-Inventor Count = 3.83

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 = 0

Malcolm Pettigrew ↔ Wadie Malaty (3 patents)Malcolm Pettigrew ↔ Ram Mohan Lai Mallik (2 patents)Malcolm Pettigrew ↔ Michael Peter Nicoletti (1 patent)Malcolm Pettigrew ↔ David Ritchie Lumgair (1 patent)Malcolm Pettigrew ↔ Ram Mallik (1 patent)Malcolm Pettigrew ↔ Stephen W McCormick (1 patent)Malcolm PettigrewMalcolm Pettigrew (3 patents)Wadie MalatyWadie Malaty (3 patents)Ram Mohan Lai MallikRam Mohan Lai Mallik (2 patents)Michael Peter NicolettiMichael Peter Nicoletti (28 patents)David Ritchie LumgairDavid Ritchie Lumgair (21 patents)Ram MallikRam Mallik (1 patent)Stephen W McCormickStephen W McCormick (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Exxonmobil Chemical Patents Inc. (3 from 3,271 patents)

2. Lummus Technology Inc. (1 from 290 patents)

3. Exxonmobil Chemical Company (5 patents)


3 patents:

1. 8338656 - Separating olefin streams

2. 7273961 - Quench process

3. 7271306 - Heat recovery from the effluent stream of an oxygenate-to-olefin process

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as of
1/8/2026
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