Maryvonne Vaesken

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Saint Quentin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating natural polyamide fibres of asymmetric structu...
- Patent number 4,030,883
- Issue date Jun 21, 1977
- Opi Cryochimie S.A.
- Maryvonne J. Vaesken
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Liquid ammonia dyeing process
- Patent number 4,011,043
- Issue date Mar 8, 1977
- Opidryochimie
- Jean-Paul Dalle
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...