Patent Explorer
Browse, filter, and analyze 18 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| JPS58136351A | Cellulose molded product containing anionic polymer and production thereof | Asahi Kasei Corp | Expired / Lapsed | 1982-02-10 | — | 2002-02-10 | 0.0 yrs | 0 | |
| JPS60104111A | Impact-resistant polystyrene resin and its production | Asahi Kasei Corp | Expired / Lapsed | 1983-11-11 | — | 2003-11-11 | 0.0 yrs | 0 | |
| US4855377A | Novel copolycarbonate | Asahi Kasei Corp | Expired / Lapsed | 1988-08-03 | 1989-08-08 | 2008-08-03 | 0.0 yrs | 11 | |
| USRE32026E | Structure of warmer | Asahi Kasei Corp | Expired / Lapsed | 1984-04-13 | 1985-11-12 | 2004-04-13 | 0.0 yrs | 17 | |
| US4430229A | Immune adsorbent and adsorbing device | Asahi Kasei Corp | Expired / Lapsed | 1982-05-17 | 1984-02-07 | 2002-05-17 | 0.0 yrs | 12 | |
| US4425237A | Method for separating T cells from leukocytes | Asahi Kasei Corp | Expired / Lapsed | 1982-03-03 | 1984-01-10 | 2002-03-03 | 0.0 yrs | 9 | |
| US4399035A | Polyvinylidene fluoride type resin hollow filament microfilter and process for producing the same | Asahi Kasei Corp | Expired / Lapsed | 1980-05-13 | 1983-08-16 | 2000-05-13 | 0.0 yrs | 5 | |
| US4209367A | Electrolysis of aqueous alkali metal halide solution | Asahi Kasei Corp | Expired / Lapsed | 1977-03-30 | 1980-06-24 | 1997-03-30 | 0.0 yrs | 30 | |
| US4178218A | Cation exchange membrane and use thereof in the electrolysis of sodium chloride | Asahi Kasei Corp | Expired / Lapsed | 1978-11-09 | 1979-12-11 | 1998-11-09 | 0.0 yrs | 57 | |
| US4123336A | Process for electrolysis of aqueous alkali metal halide solution | Asahi Kasei Corp | Expired / Lapsed | 1977-03-25 | 1978-10-31 | 1997-03-25 | 0.0 yrs | 8 | |
| US4075100A | Dialysis unit and dialysis apparatus employing the dialysis unit | Asahi Kasei Corp | Expired / Lapsed | 1975-12-02 | 1978-02-21 | 1995-12-02 | 0.0 yrs | 11 | |
| US4061821A | Semipermeable composite membranes | Asahi Kasei Corp | Expired / Lapsed | 1976-12-14 | 1977-12-06 | 1996-12-14 | 0.0 yrs | 10 | |
| US3871950A | Hollow fibers of acrylonitrile polymers for ultrafilter and method for producing the same | Asahi Kasei Corp | Expired / Lapsed | 1973-04-26 | 1975-03-18 | 1993-04-26 | 0.0 yrs | 10 | |
| US3824222A | Flameproof modacrylic fibers | Asahi Kasei Corp | Expired / Lapsed | 1971-11-05 | 1974-07-16 | 1991-11-05 | 0.0 yrs | 0 | |
| US3679355A | Method for improving polyacrylonitrile fiber by peeling off the fiber surface with solvents | Asahi Kasei Corp | Expired / Lapsed | 1968-10-10 | 1972-07-25 | 1988-10-10 | 0.0 yrs | 0 | |
| US3677920A | Photopolymerizable diisocyanate modified unsaturated polyester containing acrylic monomers | Asahi Kasei Corp | Expired / Lapsed | 1969-06-23 | 1972-07-18 | 1989-06-23 | 0.0 yrs | 0 | |
| US3636187A | Process for the manufacture of acrylonitrile synthetic fibers | Asahi Kasei Corp | Expired / Lapsed | 1968-11-04 | 1972-01-18 | 1988-11-04 | 0.0 yrs | 0 | |
| US3474520A | Process for explosive bonding of metals | Asahi Kasei Corp | Expired / Lapsed | 1967-11-20 | 1969-10-28 | 1987-11-20 | 0.0 yrs | 0 |