Patents (1)

Main avec index What do A1, A2, A3 and B codes mean after a publication number ?
X
  • A publication A1 is a request of european patent published with the research report
  • A document A2 matches this request published without the research report
  • The the research report is published later as document A3
  • The issued patent est publié as document B

EP4174912A1
03/05/2023

⋄ Method of vertical growth of III-V material

Matthew Charles, Yvon Cordier
US2023136949A1, FR3128818(A1)