Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4664669A | Composite hollow fiber-type separation membranes, processes for the preparation thereof and their use | Kuraray Co Ltd | Expired / Lapsed | 1984-02-28 | 1987-05-12 | 2004-02-28 | 0.0 yrs | 3 | |
| US4190411A | Centrifugal potting apparatus | Kuraray Co Ltd | Expired / Lapsed | 1978-08-01 | 1980-02-26 | 1998-08-01 | 0.0 yrs | 8 | |
| US3720631A | Sheet materials of excellent durability and method of manufacturing the same | Kuraray Co Ltd | Expired / Lapsed | 1970-09-28 | 1973-03-13 | 1990-09-28 | 0.0 yrs | 7 | |
| US3664979A | Polyurethane elastomer and method for preparation of same | Kuraray Co Ltd | Expired / Lapsed | 1969-12-15 | 1972-05-23 | 1989-12-15 | 0.0 yrs | 11 |