Pier L. Magagnini

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Patents Grantslast 30 patents

Information Patent Grant
Catalytic preparation of semi-aromatic copolyamides and copolyester...
- Patent number 5,219,953
- Issue date Jun 15, 1993
- Eniricerche S.p.A.
- Ming-de Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic copolyester, process for preparing it and its use
- Patent number 5,086,160
- Issue date Feb 4, 1992
- Eniricerche S.p.A.
- Ugo Pedretti
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Semi-aromatic copolyamide or copolyester-amide prepared from alipha...
- Patent number 5,070,155
- Issue date Dec 3, 1991
- Eniricerche, S.p.A.
- Ming-de Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermotropic copolyester from mixture of hydroxy benzoic acids
- Patent number 4,970,285
- Issue date Nov 13, 1990
- Eniricerche S.p.A.
- Ugo Pedretti
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Thermotropic copolyester and process for preparing it and use thereof
- Patent number 4,963,642
- Issue date Oct 16, 1990
- Eniricerche S.p.A.
- Arnaldo Roggero
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING