248 Utility and 1 Design Patents
#1 in Des Plaines, IL
#23 in Illinois
#752 in US
#1,280 in the World
rank by utility patentsForward Citations = 2,069
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Other

Hoechst Celanese Chemical Co.

The International Synthetic Rubber Company, Limited
4. 1 out of 824

5. 1 out of 3,975

where one patent can have more than one assignee
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