Punjab University
Punjab University Patent applications | ||
Patent application number | Title | Published |
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20090256103 | Aqueous water and oil repellent composition - An aqueous water and oil repellent composition is produced by emulsifying a an acrylate or methacrylate copolymer containing perfluoroalkyl or perfluoroalkenyl group in the presence of a quaternary ammonium compound in an aqueous medium containing an organic cosolvent which gives a stable dispersion and imparts excellent water and oil repellent properties to the textile and carpets. | 10-15-2009 |