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Dioctyl sulfosuccinate compositions containing antifoaming agents

US 2,969,332 A · Inventors: LAWLER EDWARD B et al.

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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.

Why it's free to use

  • Granted January 24, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 24, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 5, 1957
GrantedJanuary 24, 1961
Term endedJanuary 24, 1978
Application number—
Classification (CPC)C11D1/123 +1 more
Length3 pages

Timeline

Timeline From USPTO dates

1958196119641967197019731976Application filedFeb 5, 1957Patent grantedJan 24, 1961Term endedJan 24, 1978

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