Douglas F. Fry

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Azusa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic polyurethanes, preparation thereof and fiber sizes cont...
- Patent number 6,911,237
- Issue date Jun 28, 2005
- Cognis Corporation
- Douglas F. Fry
- C03 - GLASS MINERAL OR SLAG WOOL