Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Norsk Hydro AsfiledCriticalNorsk Hydro As
Priority to NO922788ApriorityCriticalpatent/NO922788D0/no
Publication of NO922788D0publicationCriticalpatent/NO922788D0/no
Priority to NO932386Aprioritypatent/NO177731C/no
Priority to DK93110840Tprioritypatent/DK0579095T3/da
Priority to DE69321888Tprioritypatent/DE69321888D1/de
Priority to EP93110840Aprioritypatent/EP0579095B1/en
Priority to AU41862/93Aprioritypatent/AU664906B2/en
Priority to IS4050Aprioritypatent/IS1748B/is
Priority to CA002100393Aprioritypatent/CA2100393C/en
Priority to FI933225Aprioritypatent/FI109965B/fi
Priority to US08/658,989prioritypatent/US5863586A/en