Forward Citations = 33

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3 inventors (with patents filed for the assignee):

Walter H Seitzer (3 out of 18 patents)

Jackson S Boyer (1 out of 3 patents)

Keith L Shelstad (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4410415 - Reduction in pour point of shale oil (1983-10-18),

2. 4269614 - Apparatus for controlling the dispersion of coal fines into the (1981-05-26),

3. 4192650 - Process for drying and stabilizing coal (1980-03-11),

4. 4166023 - Pour point depressant for shale oil (1979-08-28),

5. 4018682 - Freeze-thaw method for reducing mineral content of a clay-water mixture (1977-04-19),

Sunoco Energy Development Co. is a leading energy company that specializes in the development, production, and distribution of oil and natural gas. With a strong focus on sustainability and innovation, Sunoco is committed to providing reliable and affordable energy solutions to customers around the world.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#361 in Dallas, TX

#3,239 in Texas

#50,165 in US

Dallas, TX, United States of America

Sunoco Energy Development Co.

Forward Citations = 33

3 inventors:

Walter H Seitzer (3 out of 18 patents)

Jackson S Boyer (1 out of 3 patents)

Keith L Shelstad (1 out of 1 patent)

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