Patent Yard Sign in
Expired European patentEurope

Microemulsion for cosmetic or pharmaceutical use

EP 0334777 B1 · Applicant: GATTEFOSSE S.A.

EPO PDF

Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

Read the whole patent

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.

Why it's free to use

  • Filed March 16, 1989 and granted May 20, 1992. A European patent lasts at most 20 years from filing, so its term ended March 16, 2009.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 16, 2014.
  • 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.
FiledMarch 16, 1989
PublishedSeptember 27, 1989
GrantedMay 20, 1992
Term endedMarch 16, 2009
Application numberEP 89420094
Classification (CPC)A61K9/1075 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedMarch 16, 1989PublishedSep 27, 1989Patent grantedMay 20, 1992Term endedMarch 16, 2009

Sources & verification