Extract from the Register of European Patents

EP Patent family: EP0315939
TypeType Equivalent
Publication No. DateType
EP0315939Global Dossier 29.08.1990A3
EP0315939 17.05.1989A2
Priority number Date
US11858587 09.11.1987
TypeType Equivalent
Publication No. DateType
CA1305879 04.08.1992C
Priority number Date
US11858587 09.11.1987
TypeType Equivalent
Publication No. DateType
US4954972 04.09.1990A
Priority number Date
US11858587 09.11.1987