Akzona Inc
Akzona IncActive Patents
0
Total Holdings
66
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4519909A | Microporous products | Expired / Lapsed | 1979-11-23 | 1985-05-28 | 84 | Details |
| US4467595A | Latent contractable elastomers, composite yarns therefrom a… | Expired / Lapsed | 1983-09-14 | 1984-08-28 | 15 | Details |
| USRE31599E | Low density matting and process | Expired / Lapsed | 1981-08-03 | 1984-06-12 | 17 | Details |
| US4373629A | Used surgical sharps container with re-usable magnetic base | Expired / Lapsed | 1981-06-09 | 1983-02-15 | 25 | Details |
| US4373932A | Application of water-dispersible hydrophobic dyes or pigmen… | Expired / Lapsed | 1981-01-02 | 1983-02-15 | 111 | Details |
| US4350806A | Biocompatible copolymers | Expired / Lapsed | 1981-09-28 | 1982-09-21 | 14 | Details |
| US4342807A | Low density matting and process | Expired / Lapsed | 1980-02-04 | 1982-08-03 | 11 | Details |
| US4303733A | Filament with conductive layers | Expired / Lapsed | 1980-01-21 | 1981-12-01 | 12 | Details |
| US4292403A | Detection and/or determination of IgM, IgA, IgD and IgE imm… | Expired / Lapsed | 1979-08-20 | 1981-09-29 | 37 | Details |
| US4262114A | Segmented thermoplastic copolyesters | Expired / Lapsed | 1976-12-20 | 1981-04-14 | 35 | Details |
| US4212692A | Matting article with process and apparatus for its producti… | Expired / Lapsed | 1979-04-27 | 1980-07-15 | 13 | Details |
| US4155613A | Multi-pair flat telephone cable with improved characteristi… | Expired / Lapsed | 1977-01-03 | 1979-05-22 | 45 | Details |
| US4059512A | Process for removing endotoxin from biological fluids | Expired / Lapsed | 1975-12-16 | 1977-11-22 | 4 | Details |
| US4053284A | Continuous flow apparatus for biological testing | Expired / Lapsed | 1976-03-10 | 1977-10-11 | 18 | Details |
| US4016043A | Enzymatic immunological method for the determination of ant… | Expired / Lapsed | 1975-09-04 | 1977-04-05 | 13 | Details |
| US3990850A | Diagnostic test card | Expired / Lapsed | 1976-01-06 | 1976-11-09 | 10 | Details |
| US3971764A | Process for producing a cationic polyurethane | Expired / Lapsed | 1974-12-26 | 1976-07-27 | 27 | 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 |
| US3706192A | Process and apparatus for false twisting synthetic yarns | Expired / Lapsed | 1970-10-08 | 1972-12-19 | 13 | Details |
| US3687759A | Process for producing resilient cushion | Expired / Lapsed | 1969-03-14 | 1972-08-29 | 0 | Details |
| US3650879A | Manufacture of unique polyethylene terephthalate fiber | Expired / Lapsed | 1969-08-25 | 1972-03-21 | 7 | Details |
| US3616004A | Method for sealing multilayer thermoplastic films | Expired / Lapsed | 1969-04-02 | 1971-10-26 | 11 | Details |
| US3600775A | Tangling jet | Expired / Lapsed | 1969-06-03 | 1971-08-24 | 8 | Details |
| US3461521A | Process for manufacture of yarns | Expired / Lapsed | 1967-11-24 | 1969-08-19 | 0 | Details |
| US3443419A | Method and apparatus for measuring the maturity of viscose | Expired / Lapsed | 1966-10-18 | 1969-05-13 | 0 | Details |
| US3394440A | Continuous filament interlacing, bulking or tangling appara… | Expired / Lapsed | 1966-08-11 | 1968-07-30 | 0 | Details |
| US3380242A | Yarn and method of making same | Expired / Lapsed | 1958-02-11 | 1968-04-30 | 4 | Details |
| US3377412A | Polyvinyl pyrrolidone in viscose and method of producing dy… | Expired / Lapsed | 1967-08-14 | 1968-04-09 | 0 | Details |
| US3363294A | Self-closing tangling jet apparatus | Expired / Lapsed | 1965-12-15 | 1968-01-16 | 0 | Details |
| US3273330A | Method for forming a thread joint | Expired / Lapsed | 1963-11-04 | 1966-09-20 | 2 | Details |
| US3153271A | Yarn crimping apparatus | Expired / Lapsed | 1962-11-28 | 1964-10-20 | 2 | Details |
| US3146512A | Crimping apparatus | Expired / Lapsed | 1961-05-24 | 1964-09-01 | 2 | Details |
| US3060550A | Treatment of polyamides | Expired / Lapsed | 1959-03-27 | 1962-10-30 | 2 | Details |
| US2959909A | Bulked yarn and method for producing same | Expired / Lapsed | 1957-04-01 | 1960-11-15 | 0 | Details |
| US2949659A | Crimping apparatus | Expired / Lapsed | 1957-05-13 | 1960-08-23 | 0 | Details |
| US2943433A | Crimping or curling of yarns or threads | Expired / Lapsed | 1956-02-29 | 1960-07-05 | 0 | Details |
| US2922727A | Method of treating polyamide tire cord with caprolactam oli… | Expired / Lapsed | 1956-02-07 | 1960-01-26 | 2 | Details |
| US2829420A | Method and apparatus for bulking yarn | Expired / Lapsed | 1954-12-16 | 1958-04-08 | 0 | Details |
| US2807862A | Method for bulking yarn | Expired / Lapsed | 1956-02-10 | 1957-10-01 | 1 | Details |
| US2798281A | Stocking and method of making the same | Expired / Lapsed | 1954-07-15 | 1957-07-09 | 0 | 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 |
| US2681729A | Removable air jet | Expired / Lapsed | 1952-03-03 | 1954-06-22 | 0 | Details |
| US2661588A | Thread collector | Expired / Lapsed | 1951-07-19 | 1953-12-08 | 0 | Details |
| US2661845A | Filter | Expired / Lapsed | 1948-10-13 | 1953-12-08 | 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 |
| US2506249A | Process for manufacturing artificial chamois | Expired / Lapsed | 1947-04-23 | 1950-05-02 | 1 | Details |
| US2490178A | Manufacture of artificial sponges from viscose | Expired / Lapsed | 1947-07-28 | 1949-12-06 | 0 | Details |
| US2412403A | Method and apparatus for use in the manufacture of syntheti… | Expired / Lapsed | 1944-07-12 | 1946-12-10 | 0 | 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 |
| US2293989A | Manufacture of artificial wool | Expired / Lapsed | 1939-07-24 | 1942-08-25 | 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 |
| US2125031A | Manufacture of artificial silk | Expired / Lapsed | 1937-01-25 | 1938-07-26 | 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 |