Denka Co Ltd
Denka Co LActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| JPS52129795A | Double star-like block copolymer and its production | Expired / Lapsed | 1976-04-26 | — | 0 | Details |
| US5362926A | Circuit substrate for mounting a semiconductor element | Expired / Lapsed | 1992-07-24 | 1994-11-08 | 22 | Details |
| US5298243A | Colony stimulating factor-gelatin conjugate | Expired / Lapsed | 1989-10-17 | 1994-03-29 | 6 | Details |
| USRE32464E | Thin film recording and method of making | Expired / Lapsed | 1986-04-16 | 1987-07-28 | 30 | Details |
| US4510274A | Vinyl acetate-ethylene copolymer emulsion and aqueous emuls… | Expired / Lapsed | 1983-01-12 | 1985-04-09 | 27 | Details |
| US4277540A | Thin film magnetic recording medium | Expired / Lapsed | 1976-10-29 | 1981-07-07 | 2 | Details |
| US3872068A | Process for preparing block copolymer resin | Expired / Lapsed | 1973-05-04 | 1975-03-18 | 8 | Details |
| US3853978A | For preparing a film of a tapered copolymer of styrene-buta… | Expired / Lapsed | 1972-10-03 | 1974-12-10 | 5 | Details |
| US3699112A | Paper coating pigment binder of alcoholized vinyl acetate-a… | Expired / Lapsed | 1969-03-11 | 1972-10-17 | 0 | Details |