Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429787 | Method for rapid drying of a polybenzazole fiber | Chieh-Chun Chau, Hiroki Murase, Tooru Kitagawa, Takaharu Ichiryu | 1995-07-04 |
| 5417915 | Process for post-spin finishing of polybenzoxazole fibers | Chieh-Chun Chau | 1995-05-23 |
| 4965135 | Multilayer film with dead fold and twistability characteristics | Rexford A. Maugans, David R. Kiesel | 1990-10-23 |
| 4963304 | Process for preparing microporous membranes | C. C. Chau | 1990-10-16 |
| 4874568 | Process of making a porous membrane | C. C. Chau | 1989-10-17 |
| 4873037 | Method for preparing an asymmetric semi-permeable membrane | C. C. Chau, Otto C. Raspor, Lu H. Tung | 1989-10-10 |
| 4806439 | Temporary barrier layer in batteries | Ritchie A. Wessling | 1989-02-21 |
| 4627138 | Method of making piezoelectric/pyroelectric elements | — | 1986-12-09 |
| 4540623 | Coextruded multi-layered articles | William E. Shrum | 1985-09-10 |