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| Number | Title | Issue Date |
| 4914140 | Acrylic copolymer and skin protective An acrylic copolymer of ethyl acrylate and methacrylic acid wherein the weight ratio of ethyl acrylate to methacrylic acid is in a range between 75:25 and 95:5, containing therein a residual monomer content of 50 ppm or less, but substantially no surfacta... | 04/03/1990 |
| 4874830 | Acrylic copolymer and skin protective An acrylic copolymer of ethyl acrylate and methacrylic acid wherein the weight ratio of ethyl acrylate to methacrylic acid is in a range between 75:25 and 95:5, containing therein a residual monomer content of 50 ppm or less, but substantially no surfacta... | 10/17/1989 |
