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Phaik E Sum

Average Co-Inventor Count = 3.00

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 = 24

Phaik E SumAllan Wissner (5 patents)Phaik E SumRobert E Schaub (5 patents)Phaik E SumPhaik E Sum (5 patents)Allan WissnerAllan Wissner (84 patents)Robert E SchaubRobert E Schaub (57 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. American Cyanamid Company (5 from 3,580 patents)


5 patents:

1. 4981989 - Antihypertensive phosphate derivatives and intermediates thereof

2. 4894367 - Antihypertensive phosphate derivatives

3. 4883816 - Antihypertensive derivatives

4. 4762942 - Antihypertensive phosphate derivatives

5. 4640913 - Phosphocholine derivatives having antihypertensive action

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as of
12/28/2025
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