Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135541 | Flame retardant treatment of cellulose fabric with crease recovery: tetra-kis-hydroxy-methyl phosphonium and methylolamide | Geoffrey Hand | 1992-08-04 |
| 5048199 | Dewatering composition | — | 1991-09-17 |
| 4985162 | Dewatering composition | — | 1991-01-15 |
| 4846645 | Bubble forming and stabilizing device for use in continuous extrusion process for making a blown film | — | 1989-07-11 |
| 4494951 | Flameproofing textiles | James E. Stephenson | 1985-01-22 |
| 4311855 | Flameproofing agents | James E. Stephenson | 1982-01-19 |
| 4298325 | Die for the extrusion of material in tube form | — | 1981-11-03 |
| 4259047 | Air ring for the production of blown film | — | 1981-03-31 |
| 4201532 | Extrusion dies of spiral mandrel type | — | 1980-05-06 |