For the Inventor, By the Inventor

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The Woodlands, TX, United States of America

Texchem Group International, LLC

USPTO Granted Patents = 3

Forward Citations = 29

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1 inventor (with patents filed for the assignee):

Gale James Campbell (3 out of 7 patents)

3 patents: Sort by Forward Citations

1. 6440330 - Sludge liquefaction process and agents (2002-08-27),

2. 6120680 - Sludge liquefaction process and agents (2000-09-19),

3. 5858247 - Sludge demulsification process and agents (1999-01-12),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#67 in The Woodlands, TX

#4,679 in Texas

#71,953 in US

The Woodlands, TX, United States of America

Texchem Group International, LLC

Forward Citations = 29

1 inventor:

Gale James Campbell (3 out of 7 patents)

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