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For the Inventor, By the Inventor

Mountain View, CA, United States of America

Ddi Pharmaceuticals, Inc.


USPTO Granted Patents = 3

Forward Citations = 358

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3 inventors (with patents filed for the assignee):

goldMedal L David Williams (3 out of 18 patents)

silverMedal Ralph Somack (3 out of 5 patents)

bronzeMedal Mark Saifer (3 out of 4 patents)


3 patents:

1. 5283317 - Intermediates for conjugation of polypeptides with high molecular weight (1994-02-01),
2. 5080891 - Conjugates of superoxide dismutase coupled to high molecular weight (1992-01-14),
3. 5006333 - Conjugates of superoxide dismutase coupled to high molecular weight (1991-04-09),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#514 in Mountain View, CA

#16,823 in California

#73,716 in US

Mountain View, CA (US)
Mountain View, CA, United States of America

Ddi Pharmaceuticals, Inc.

Forward Citations = 358

3 inventors:

goldMedal L David Williams (3 out of 18 patents)

silverMedal Ralph Somack (3 out of 5 patents)

bronzeMedal Mark Saifer (3 out of 4 patents)

Please report any incorrect information to [email protected]
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