Akzona Inc
Akzona IncActive Patents
0
Total Holdings
27
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4467595A | Latent contractable elastomers, composite yarns therefrom a… | Expired / Lapsed | 1983-09-14 | 1984-08-28 | 15 | Details |
| US4350806A | Biocompatible copolymers | Expired / Lapsed | 1981-09-28 | 1982-09-21 | 14 | Details |
| US4303733A | Filament with conductive layers | Expired / Lapsed | 1980-01-21 | 1981-12-01 | 12 | Details |
| US4262114A | Segmented thermoplastic copolyesters | Expired / Lapsed | 1976-12-20 | 1981-04-14 | 35 | Details |
| US4059512A | Process for removing endotoxin from biological fluids | Expired / Lapsed | 1975-12-16 | 1977-11-22 | 4 | Details |
| US3990850A | Diagnostic test card | Expired / Lapsed | 1976-01-06 | 1976-11-09 | 10 | Details |
| US3959128A | Process for removing endotoxin from biological fluids | Expired / Lapsed | 1974-12-27 | 1976-05-25 | 17 | Details |
| US3850752A | Process for the demonstration and determination of low mole… | Expired / Lapsed | 1971-10-29 | 1974-11-26 | 19 | Details |
| US3838561A | Unique polyethylene terephthalate fiber and yarn | Expired / Lapsed | 1971-10-07 | 1974-10-01 | 7 | Details |
| US3443419A | Method and apparatus for measuring the maturity of viscose | Expired / Lapsed | 1966-10-18 | 1969-05-13 | 0 | Details |
| US3060550A | Treatment of polyamides | Expired / Lapsed | 1959-03-27 | 1962-10-30 | 2 | Details |
| US2761595A | Dosing apparatus | Expired / Lapsed | 1952-07-21 | 1956-09-04 | 0 | Details |
| US2753010A | Process and apparatus for deaerating viscous liquids | Expired / Lapsed | 1951-06-12 | 1956-07-03 | 2 | Details |
| US2695378A | Transformer controlled relay | Expired / Lapsed | 1952-10-14 | 1954-11-23 | 0 | Details |
| US2688594A | Mercury cell | Expired / Lapsed | 1949-11-23 | 1954-09-07 | 0 | Details |
| US2650168A | Method for dispersing an immiscible pigment in viscose solu… | Expired / Lapsed | 1949-09-01 | 1953-08-25 | 2 | Details |
| US2598307A | Liquid flow regulating system | Expired / Lapsed | 1949-12-12 | 1952-05-27 | 0 | Details |
| US2582806A | Drying of hollow yarn bodies | Expired / Lapsed | 1948-01-23 | 1952-01-15 | 0 | Details |
| US2566457A | Manufacture of viscose products | Expired / Lapsed | 1950-12-21 | 1951-09-04 | 2 | Details |
| US2348415A | Manufacture of rayon | Expired / Lapsed | 1941-05-09 | 1944-05-09 | 0 | Details |
| US2346696A | Manufacture of rayon | Expired / Lapsed | 1940-03-05 | 1944-04-18 | 0 | Details |
| US2338722A | Manufacture of rayon | Expired / Lapsed | 1943-02-03 | 1944-01-11 | 0 | Details |
| US2334358A | Artificial cellulosic filament delustered with titanium salt | Expired / Lapsed | 1938-11-16 | 1943-11-16 | 0 | Details |
| US2230023A | Electrolytic cell | Expired / Lapsed | 1938-03-09 | 1941-01-28 | 0 | Details |
| US2217826A | Rayon for reinforcing rubber products | Expired / Lapsed | 1939-12-02 | 1940-10-15 | 0 | Details |
| US2113325A | Process and composition for treating natural and artificial… | Expired / Lapsed | 1936-03-03 | 1938-04-05 | 0 | Details |
| US1993847A | Process of producing artificial silk from viscose | Expired / Lapsed | 1930-11-12 | 1935-03-12 | 0 | Details |