European application, no grantEurope
Improved coating for ammonium nitrate prills
EP 0768287 A1 · Applicant: ICI CANADA INC.
Overview
The published document from the EPO: abstract, claims, description and drawings. Open it full size
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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.
Why it's free to use
- Filed October 10, 1995 and never granted as a European patent. Had it been granted, its 20-year term would have ended October 10, 2015.
- 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 April 10, 2021.
- 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.
FiledOctober 10, 1995
PublishedApril 16, 1997
GrantedNever granted
Term endedOctober 10, 2015
Application numberEP 95307163
Classification (CPC)C06B31/28 +2 more
Timeline
Timeline From EPO dates
Sources & verification
Official EPO records
Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.