Forward Citations = 79

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8 inventors (with patents filed for the assignee):

John G Frye, Jr (1 out of 18 patents)

Terry Joseph Mazanec (1 out of 78 patents)

Patricia R Blum (1 out of 23 patents)

4. Wilfrid G Shaw (1 out of 65 patents)

5. Harley F Hardman (1 out of 38 patents)

6. David B Terrill (1 out of 12 patents)

7. Mark L Nicholas (1 out of 6 patents)

8. Jacob Shen (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4458088 - Continuous process for the extraction and esterification of carboxylic (1984-07-03),

2. 4421865 - Selective hydrogen-deuterium interchange using ion exchange resins (1983-12-20),

3. 4378309 - Catalyst compositions for the preparation of unsaturated acids (1983-03-29),

4. 4317778 - Preparation of maleic anhydride using fluidized catalysts (1982-03-02),

Standard Oil Company (Sohio) was an American oil company founded in 1870 by John D. Rockefeller. It was one of the largest oil companies in the world until it was acquired by British Petroleum (BP) in 1987. Sohio was known for its expertise in oil exploration, production, refining, and marketing. Today, the company operates as a subsidiary of BP and continues to be a major player in the global energy industry.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#269 in Cleveland, OH

#2,272 in Ohio

#59,047 in US

Cleveland, OH, United States of America

Standard Oil Company (Sohio)