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Home › Manufacture of polyols and rigid polyurethane foam using thiodialkylene glycols

Manufacture of polyols and rigid polyurethane foam using thiodialkylene glycols

US Patent 4536522 · Granted Aug 20, 1985

Estimated economic value: $5,309,000 ⓘ

Assignee

Chevron

Inventors

Robert A. Grigsby, Jr. (59 patents)
George P. Speranza (150 patents)
Michael E. Brennan (29 patents)
Ernest L. Yeakey (36 patents)

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