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Patent applications and USPTO patent grants for Hinderer; Helmuth E..The latest application filed is for "acrylic fiber having improved basic dyeability and method for making the same".
Patent | Date |
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Acrylic fiber having improved basic dyeability and method for making the same Grant 4,294,884 - Bach , et al. October 13, 1 | 1981-10-13 |
Acrylic fiber having improved basic dyeability Grant 4,293,613 - Bach , et al. October 6, 1 | 1981-10-06 |
Conversion Of Olefins To Allylic Chlorides Grant 3,855,321 - Bach , et al. December 17, 1 | 1974-12-17 |
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