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Patent applications and USPTO patent grants for Vill; Karl.The latest application filed is for "method for treating fibrous substrates".
Patent | Date |
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Formulation for use in chrome or chrome-free tannage Grant 7,771,489 - Hueffer , et al. August 10, 2 | 2010-08-10 |
Method for Treating Fibrous Substrates App 20080249230 - Huffer; Stephan ;   et al. | 2008-10-09 |
Formulation for use in chrome or chrome-free tannage App 20060101584 - Hueffer; Stephan ;   et al. | 2006-05-18 |
Polyisobutene as substitute for wool fat in stuffing agents for the production of leather, the stuffing agent, the use thereof and the produced leather App 20040194222 - Pabst, Gunther ;   et al. | 2004-10-07 |
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