Asahi Kasei Corp
Asahi KaseActive Patents
0
Total Holdings
77
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0352749A2 | A filament comprising a tetrafluoroethylene polymer and a p… | Expired / Lapsed | 1989-07-25 | — | 10 | Details |
| JPS60104111A | Impact-resistant polystyrene resin and its production | Expired / Lapsed | 1983-11-11 | — | 0 | Details |
| EP0099208A2 | An information recording material | Expired / Lapsed | 1983-06-30 | — | 13 | Details |
| EP0090892A1 | Process for the purification of physiologically active subs… | Expired / Lapsed | 1982-04-07 | — | 7 | Details |
| JPS58136351A | Cellulose molded product containing anionic polymer and pro… | Expired / Lapsed | 1982-02-10 | — | 0 | Details |
| EP0054799A2 | A dried, sterilized, gamma-globulin-fixed column and a proc… | Expired / Lapsed | 1981-12-04 | — | 14 | Details |
| JPS5893734A | Production of porous membrane of hydrophilic polyvinylidene… | Expired / Lapsed | 1981-11-30 | — | 0 | Details |
| FR2419073A1 | SEPARATION OF LEUCOCYTES FROM A SUSPENSION IN A CONTAINER, … | Expired / Lapsed | 1979-03-05 | — | 0 | Details |
| FR2419058A1 | SEPARATION OF LYMPHOCYTES FROM A CONTAINER SUSPENSION BY FI… | Expired / Lapsed | 1979-03-05 | — | 0 | Details |
| DE2125967A1 | Device for protecting the occupants in a fast vehicle in th… | Expired / Lapsed | 1971-05-25 | — | 0 | Details |
| US5254622A | ABS resin compositions and molded articles thereof having i… | Expired / Lapsed | 1991-11-27 | 1993-10-19 | 20 | Details |
| US4879226A | Novel human physiologically active polypeptide | Expired / Lapsed | 1984-04-06 | 1989-11-07 | 54 | Details |
| US4855377A | Novel copolycarbonate | Expired / Lapsed | 1988-08-03 | 1989-08-08 | 11 | Details |
| US4844719A | Permeable polymer membrane for dessication of gas | Expired / Lapsed | 1987-09-08 | 1989-07-04 | 43 | Details |
| US4721713A | Process for inhibiting blood platelet aggregation and promo… | Expired / Lapsed | 1987-06-05 | 1988-01-26 | 8 | Details |
| US4657970A | Modified block copolymer composition | Expired / Lapsed | 1985-08-26 | 1987-04-14 | 19 | Details |
| US4629650A | Process for producing molded thermoplastic resin | Expired / Lapsed | 1983-12-27 | 1986-12-16 | 17 | Details |
| USRE32026E | Structure of warmer | Expired / Lapsed | 1984-04-13 | 1985-11-12 | 17 | Details |
| US4486549A | Process for preparing an amino group-containing polyacrylon… | Expired / Lapsed | 1983-06-16 | 1984-12-04 | 15 | Details |
| US4452918A | Totally porous activated gel | Expired / Lapsed | 1982-05-03 | 1984-06-05 | 23 | Details |
| US4450082A | Method for obtaining uniform stream in adsorption column | Expired / Lapsed | 1982-06-01 | 1984-05-22 | 13 | Details |
| US4430229A | Immune adsorbent and adsorbing device | Expired / Lapsed | 1982-05-17 | 1984-02-07 | 12 | Details |
| US4429076A | Thermoplastic polymer composition | Expired / Lapsed | 1980-06-06 | 1984-01-31 | 52 | Details |
| US4425237A | Method for separating T cells from leukocytes | Expired / Lapsed | 1982-03-03 | 1984-01-10 | 9 | Details |
| US4423218A | Antibiotic neplanocin A | Expired / Lapsed | 1980-11-03 | 1983-12-27 | 2 | Details |
| US4399035A | Polyvinylidene fluoride type resin hollow filament microfil… | Expired / Lapsed | 1980-05-13 | 1983-08-16 | 5 | Details |
| US4367285A | Assaying lipid peroxide in lipid compositions | Expired / Lapsed | 1981-02-17 | 1983-01-04 | 6 | Details |
| US4366263A | Expanded cross-linked polyethylene particle, a molded produ… | Expired / Lapsed | 1980-12-05 | 1982-12-28 | 5 | Details |
| US4358546A | Spherical porous cross-linked copolymers of chloromethylsty… | Expired / Lapsed | 1980-01-28 | 1982-11-09 | 8 | Details |
| US4340833A | Miniature motor coil | Expired / Lapsed | 1980-11-17 | 1982-07-20 | 20 | Details |
| US4329438A | Thermosetting unsaturated polyester resin composition and m… | Expired / Lapsed | 1981-02-11 | 1982-05-11 | 31 | Details |
| US4329434A | Novel fluorinated cation exchange membrane and process for … | Expired / Lapsed | 1980-05-23 | 1982-05-11 | 33 | Details |
| US4247346A | Friction welding apparatus | Expired / Lapsed | 1978-05-11 | 1981-01-27 | 22 | Details |
| US4243532A | Blood treating system | Expired / Lapsed | 1978-12-13 | 1981-01-06 | 9 | Details |
| US4209367A | Electrolysis of aqueous alkali metal halide solution | Expired / Lapsed | 1977-03-30 | 1980-06-24 | 30 | Details |
| US4208356A | Process for producing mixture of block copolymers | Expired / Lapsed | 1975-09-02 | 1980-06-17 | 6 | Details |
| US4181694A | Method for producing hollow fibers of acrylonitrile polymer… | Expired / Lapsed | 1975-01-03 | 1980-01-01 | 3 | Details |
| US4178218A | Cation exchange membrane and use thereof in the electrolysi… | Expired / Lapsed | 1978-11-09 | 1979-12-11 | 57 | Details |
| US4133471A | Method for making clad metal sheets having at least one cur… | Expired / Lapsed | 1977-04-29 | 1979-01-09 | 5 | Details |
| US4123336A | Process for electrolysis of aqueous alkali metal halide sol… | Expired / Lapsed | 1977-03-25 | 1978-10-31 | 8 | Details |
| US4121007A | Printed circuit board made by dispersion imaging | Expired / Lapsed | 1976-08-10 | 1978-10-17 | 14 | Details |
| US4107128A | Carbon fiber composition | Expired / Lapsed | 1976-02-12 | 1978-08-15 | 6 | Details |
| US4102829A | Foamed thermoplastic resin comprising a mixture of ionomer … | Expired / Lapsed | 1976-06-04 | 1978-07-25 | 17 | Details |
| US4096218A | Method of producing foamed thermoplastic resin articles hav… | Expired / Lapsed | 1976-07-27 | 1978-06-20 | 5 | Details |
| US4094011A | System for recording and reproducing hologram | Expired / Lapsed | 1976-03-29 | 1978-06-06 | 25 | Details |
| US4075100A | Dialysis unit and dialysis apparatus employing the dialysis… | Expired / Lapsed | 1975-12-02 | 1978-02-21 | 11 | Details |
| US4061821A | Semipermeable composite membranes | Expired / Lapsed | 1976-12-14 | 1977-12-06 | 10 | Details |
| US4059107A | Two step type pressurized injector | Expired / Lapsed | 1976-05-07 | 1977-11-22 | 9 | Details |
| US4006024A | Photosensitive compositions comprising a polyester-polyethe… | Expired / Lapsed | 1976-02-03 | 1977-02-01 | 16 | Details |
| US3987529A | Valve and method for manufacturing the same | Expired / Lapsed | 1973-11-29 | 1976-10-26 | 6 | Details |
| US3972127A | Process and apparatus for heat treatment of synthetic fiber… | Expired / Lapsed | 1974-09-12 | 1976-08-03 | 13 | Details |
| US3883626A | Porous cellulose acetate membrane and a process for the man… | Expired / Lapsed | 1972-11-22 | 1975-05-13 | 13 | Details |
| US3871950A | Hollow fibers of acrylonitrile polymers for ultrafilter and… | Expired / Lapsed | 1973-04-26 | 1975-03-18 | 10 | Details |
| US3858510A | Relief structures prepared from photosensitive compositions | Expired / Lapsed | 1973-09-07 | 1975-01-07 | 6 | Details |
| US3824222A | Flameproof modacrylic fibers | Expired / Lapsed | 1971-11-05 | 1974-07-16 | 0 | Details |
| US3816368A | Film of a polyethylene-1,2-diphenoxy-ethane-4,4'-dicarboxyl… | Expired / Lapsed | 1971-08-20 | 1974-06-11 | 2 | Details |
| DE2107859C3 | Gas-generating device for inflating a sack used to protect … | Expired / Lapsed | 1971-02-18 | 1974-05-02 | 0 | Details |
| US3688358A | Process for producing bulky yarn from multifilament yarn | Expired / Lapsed | 1970-05-04 | 1972-09-05 | 23 | Details |
| US3679355A | Method for improving polyacrylonitrile fiber by peeling off… | Expired / Lapsed | 1968-10-10 | 1972-07-25 | 0 | Details |
| US3677920A | Photopolymerizable diisocyanate modified unsaturated polyes… | Expired / Lapsed | 1969-06-23 | 1972-07-18 | 0 | Details |
| FR2093679A5 | FR2093679A5 - - Google Patents | Expired / Lapsed | 1971-05-25 | 1972-01-28 | 0 | Details |
| US3636187A | Process for the manufacture of acrylonitrile synthetic fibe… | Expired / Lapsed | 1968-11-04 | 1972-01-18 | 0 | Details |
| US3574077A | Evaporation-electrodialysis process for producing fresh wat… | Expired / Lapsed | 1969-08-13 | 1971-04-06 | 0 | Details |
| US3556791A | Photosensitive compositions and elements and a process of m… | Expired / Lapsed | 1966-03-08 | 1971-01-19 | 0 | Details |
| US3526606A | Compositions comprising a block copolymer,rubber and a proc… | Expired / Lapsed | 1967-11-14 | 1970-09-01 | 0 | Details |
| US3516241A | Process for the manufacture of crimped spun yarn | Expired / Lapsed | 1968-10-25 | 1970-06-23 | 0 | Details |
| US3499879A | Process for preparing polyamide | Expired / Lapsed | 1966-10-10 | 1970-03-10 | 0 | Details |
| US3474520A | Process for explosive bonding of metals | Expired / Lapsed | 1967-11-20 | 1969-10-28 | 0 | Details |
| US3472017A | Specific filament yarns | Expired / Lapsed | 1965-08-09 | 1969-10-14 | 0 | Details |
| US3469293A | Method of and apparatus for crimping synthetic fibres | Expired / Lapsed | 1967-06-08 | 1969-09-30 | 0 | Details |
| US3422491A | Apparatus for stretching synthetic fibers | Expired / Lapsed | 1965-09-07 | 1969-01-21 | 0 | Details |
| US3384681A | Block copolymer prepared from amine terminated polyalkylene… | Expired / Lapsed | 1965-11-30 | 1968-05-21 | 0 | Details |
| US3377323A | Method for pulverizing polymers | Expired / Lapsed | 1964-06-10 | 1968-04-09 | 2 | Details |
| US3289249A | Spinnerets | Expired / Lapsed | 1963-11-26 | 1966-12-06 | 2 | Details |
| US3147322A | Method for preparing acrylonitrile synthetic fiber | Expired / Lapsed | 1963-01-23 | 1964-09-01 | 0 | Details |
| US3080209A | Method for producing acrylonitrile polymer fibers and filam… | Expired / Lapsed | 1961-10-12 | 1963-03-05 | 2 | Details |
| US3073669A | Method for producing shaped articles from polymers and copo… | Expired / Lapsed | 1959-08-24 | 1963-01-15 | 2 | Details |