Angelo Calloni

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of solutions of cellulose derivatives i...
- Patent number 4,337,095
- Issue date Jun 29, 1982
- Snia Viscosa S.p.A. Societa Nazionale Industria Applicazioni Viscosa
- Roberto Leoni
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of regenerated cellulose formed bodies...
- Patent number 4,314,959
- Issue date Feb 9, 1982
- SNIA VISCOSA Societa Nazionale Industria Applicazioni Viscosa S.p.A.
- Roberto Leoni
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for the dissolution of cellulose in organic solvents, solut...
- Patent number 4,268,666
- Issue date May 19, 1981
- Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.p.A.
- Alberto Baldini
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of formed bodies of regenerated cellulo...
- Patent number 4,252,766
- Issue date Feb 24, 1981
- Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.p.A.
- Alberto Baldini
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING