Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873142 | Acrylic fibers having superior abrasion/fatigue resistance | — | 1989-10-10 |
| 4740339 | Process for producing conjugate filaments | William B. Black | 1988-04-26 |
| 4645798 | Basic dyeable acrylic fiber | — | 1987-02-24 |
| 4601949 | Conjugate filaments and process for producing same | William B. Black | 1986-07-22 |
| 4424258 | Self-crimping multi-component polyester filament wherein the components contain differing amounts of polyolefin | — | 1984-01-03 |
| 4424257 | Self-crimping multi-component polyamide filament wherein the components contain differing amounts of polyolefin | — | 1984-01-03 |
| 4294884 | Acrylic fiber having improved basic dyeability and method for making the same | Helmuth E. Hinderer | 1981-10-13 |
| 4293613 | Acrylic fiber having improved basic dyeability | Helmuth E. Hinderer | 1981-10-06 |
| 4265970 | Acrylic fiber having improved dyeability | — | 1981-05-05 |
| 4202962 | Fibers of arylene oxadiazole/arylene N-alkylhydrazide copolymer | — | 1980-05-13 |