Francisco Javier Sitges Menendez

Follow

Person

Salinas-Castrillon (Oviedo), ES

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the recovery of germanium from solutions that contain it
- Patent number 4,886,648
- Issue date Dec 12, 1989
- Asturiana De Zinc, S.A.
- Francisco J. S. Menendez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering zinc from ferrites
- Patent number 3,985,857
- Issue date Oct 12, 1976
- Asturiana de Zinc, S.A.
- Francisco Javier Sitges Menendez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for concentrating lead and silver by flotation in products...
- Patent number 3,968,032
- Issue date Jul 6, 1976
- Asturiana de Zinc S.A.
- Francisco Javier Sitges Menendez
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...