Harm Van Der Werff

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Ede, NL

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Patents Grantslast 30 patents

Information Patent Grant
Sulphurous p-aramid yarn
- Patent number 6,042,941
- Issue date Mar 28, 2000
- Akzo Nobel N.V.
- Bastiaan Krins
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Optically anisotropic spinning solution comprising a mixture of P-a...
- Patent number 5,962,627
- Issue date Oct 5, 1999
- Akzo Nobel N.V.
- Harm van der Werff
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Para-aromatic polyamide yarn having low filament linear density and...
- Patent number 5,882,791
- Issue date Mar 16, 1999
- Akzo Nobel N.V.
- Harm van der Werff
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process of making polyketon yarn
- Patent number 5,714,101
- Issue date Feb 3, 1998
- Akzo Nobel N.V.
- Hendrik Ter Maat
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyketone yarn and a method of manufacturing same
- Patent number 5,552,218
- Issue date Sep 3, 1996
- Akzo Nobel N.V.
- Hendrik T. Maat
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING