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Aqueous water repellent dispersions comprising a methylene dialkylamide, a methylol cndensate, and a non-ionic surface active agent

US 3,067,159 A · Inventors: MUSSER DAVID M

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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 December 4, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 4, 1979.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 17, 1957
GrantedDecember 4, 1962
Term endedDecember 4, 1979
Application number—
Classification (CPC)D06M13/402 +1 more
Length5 pages

Timeline

Timeline From USPTO dates

19581961196419671970197319761979Application filedOct 17, 1957Patent grantedDec 4, 1962Term endedDec 4, 1979

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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