| (84) |
Designated Contracting States: |
|
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
|
Designated Extension States: |
|
BA ME |
|
Designated Validation States: |
|
KH MA MD TN |
| (30) |
Priority: |
14.04.2021 US 202163174796 P
|
| (71) |
Applicant: Rio Tinto Alcan International Limited |
|
Montréal, Québec H3B 0E3 (CA) |
|
| (72) |
Inventors: |
|
- PAN, Lei
Jonquière, Québec G7T 0J3 (CA)
- BRETON, Francis
Saguenay, Québec G7H 7C3 (CA)
- MOREL, Martin
Québec G0V 1L0 (CA)
|
| (74) |
Representative: Germain Maureau |
|
12, rue Boileau 69006 Lyon 69006 Lyon (FR) |
|