Ralf Miessen

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Dormagen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for dyeing dry-spun aromatic polyamides
- Patent number 4,078,889
- Issue date Mar 14, 1978
- Bayer Aktiengesellschaft
- Gerhard Dieter Wolf
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Dyeing dry-spun aromatic polyamides
- Patent number 4,066,396
- Issue date Jan 3, 1978
- Bayer Aktiengesellschaft
- Gerhard Dieter Wolf
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing wet-spun aromatic polyamides in gel form
- Patent number 4,059,403
- Issue date Nov 22, 1977
- Bayer Aktiengesellschaft
- Gerhard Dieter Wolf
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Wet spun modacrylic filaments with improved coloristic properties
- Patent number 4,017,561
- Issue date Apr 12, 1977
- Bayer Aktiengesellschaft
- Ralf Miessen
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Dry-spun modacrylic filaments with improved coloristic properties
- Patent number 4,014,958
- Issue date Mar 29, 1977
- Bayer Aktiengesellschaft
- Ralf Miessen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING