Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232647 | Process of making bicomponent acrylic fibers having reversible crimp | Spero Sampanis, Francesco De Maria, William E. Streetman, Maurice M. Zwick | 1993-08-03 |
| 5130195 | Reversible crimp bicomponent acrylic fibers | Spero Sampanis, Francesco De Maria, William E. Streetman, Maurice M. Zwick | 1992-07-14 |
| 4394339 | Process for preparing open structure fibers | Francesco DeMaria | 1983-07-19 |
| 4346053 | Process for melt-spinning hollow fibers | — | 1982-08-24 |
| 4318680 | Spinnerette plate having multiple capillaries per counterbore for melt spinning fusion melts of acrylonitrile polymer and water | Stanley E. Peacher | 1982-03-09 |
| 4316714 | Apparatus for preparing open structure fibers | Francesco DeMaria | 1982-02-23 |
| 4301107 | Melt-spinning a plurality of acrylonitrile polymer fibers | Robert P. Kreahling | 1981-11-17 |
| 4296175 | Hollow acrylonitrile polymer fiber | Francesco De Maria | 1981-10-20 |
| 4278415 | Apparatus for melt spinning hollow fibers | — | 1981-07-14 |
| 4261945 | Method for providing shaped fiber | Relmond H. Hamilton | 1981-04-14 |
| 4254076 | Melt-spinning acrylonitrile polymer fiber using spinnerette plate with multiple capillaries per counterbore | Stanley E. Peacher | 1981-03-03 |
| 4220616 | Melt-spinning acrylonitrile polymer fiber using spinnerette of high orifice density | Robert Roberts | 1980-09-02 |
| 4220617 | Process for melt-spinning acrylonitrile polymer fiber | Stanley E. Peacher | 1980-09-02 |