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Method of cleaning dishware using automatic dishwashing detergent compositions containing potassium tripolyphosphate formed by in-situ hydrolysis

EP 1794271 A1 · Applicant: The Procter and Gamble Company

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed September 24, 2005 and never granted as a European patent. Had it been granted, its 20-year term would have ended September 24, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledSeptember 24, 2005
PublishedJune 13, 2007
GrantedNever granted
Term endedSeptember 24, 2025
Application numberEP 05800981
Classification (CPC)C11D3/3953 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedSep 24, 2005PublishedJune 13, 2007Term endedSep 24, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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