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For the Inventor, By the Inventor

Los Angeles, CA, United States of America

Union Oil Company of America


USPTO Granted Patents = 2

Forward Citations = 29

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2 inventors (with patents filed for the assignee):

goldMedal John W Ward (1 out of 88 patents)

silverMedal Danford E Clark (1 out of 7 patents)


2 patents:

1. 5206194 - Process for reactivating a deactivated crystalline molecular sieve group (1993-04-27),
2. 4036739 - Catalytic cracking process using ammonia-stable zeolite catalyst (1977-07-19),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#740 in Los Angeles, CA

#20,531 in California

#92,554 in US

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Los Angeles, CA, United States of America

Union Oil Company of America

Forward Citations = 29

2 inventors:

goldMedal John W Ward (1 out of 88 patents)

silverMedal Danford E Clark (1 out of 7 patents)

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