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Method of treating complex liquid partial oxidation products and articles produced thereby

US 1,894,352 A · Inventors: HIDY JAMES JOSEPH

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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  • Granted January 17, 1933. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 17, 1950.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 13, 1920
GrantedJanuary 17, 1933
Term endedJanuary 17, 1950
Application number—
Classification (CPC)C08G2/30 +1 more
Length4 pages

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Timeline From USPTO dates

1921192419271930193319361939194219451948Application filedJuly 13, 1920Patent grantedJan 17, 1933Term endedJan 17, 1950

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