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Home › Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups

Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups

US Patent 4952732 · Granted Aug 28, 1990

Estimated economic value: $18,489,000 ⓘ

Assignee

Chevron

Inventors

George P. Speranza (150 patents)
Robert A. Grigsby, Jr. (59 patents)
Ernest L. Yeakey (36 patents)

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