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| Patents for C14C 9 - Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes (1,807) |
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| 11/09/1976 | US3991238 Process for dressing and providing leather with an antimicrobial finish | | 11/09/1976 | US3991237 Process for bonding and providing nonwovens with an antimicrobial finish | | 10/26/1976 | US3988247 Sulfonated lubricating agents for leather and furs and process | | 10/19/1976 | US3986830 Method for cleaning and glazing furs | | 07/27/1976 | US3971626 Citrate and alcohol solvent | | 05/18/1976 | US3957426 Fatty acid ester mixtures liquid at low temperatures and process | | 03/23/1976 | US3945792 Tanning, polymers, protein glue |
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