Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H915 | Controlled macroporous copolymer properties by removal of impurities in | — | 1991-05-07 |
| 4585800 | Process for preparing anion exchange resins by amination of haloalkylated polymers in the presence of metal halide and metal hydroxide | Sheldon H. Messing, Alan C. Kott | 1986-04-29 |
| 4477412 | Surface-area stabilization of fumed silica | — | 1984-10-16 |
| 4363792 | Defluorination of fumed silica | Robert D. Biggs, David W. Alsgaard | 1982-12-14 |