Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025918 | Multilayer structures | Elena S. Percec, Richard J. Jorkasky, II | 2006-04-11 |
| 6120896 | Process of making high nitrile composite filaments | Richard J. Jorkasky, II, Elena S. Percec | 2000-09-19 |
| 5902530 | Process of making high nitrile composite filaments | Richard J. Jorkasky, II, Elena S. Percec | 1999-05-11 |
| 5486409 | Nonwoven fabrics from high nitrile copolymers | Benedict S. Curatolo, Brandford E. Giddings | 1996-01-23 |
| 5286828 | Preparation of melt-processable acrylonitrile/methacrylonitrile copolymers | Benedict S. Curatolo | 1994-02-15 |
| 5106925 | Preparation of melt-processable acrylonitrile/methacrylonitrile copolymers | Benedict S. Curatolo | 1992-04-21 |
| 4826922 | Vinylidene chloride copolymer compositions | J. Peter Hottois, Muyen M. Wu, Elmer J. DeWitt | 1989-05-02 |
| 4761455 | Poly(vinyl chloride) compositions and polymeric blending agents useful therefor | Muyen M. Wu | 1988-08-02 |
| 4699634 | Process for the modification of aromatic polymers via phase transfer catalysis to produce polyarylene polymers and the use thereof | Elena S. Percec | 1987-10-13 |
| 4684376 | Process for the modification of aromatic polymers via Friedel-Crafts reactions to produce novel polymers and the use thereof | Elena S. Percec | 1987-08-04 |
| 4681916 | Poly (vinyl chloride) compositions | Muyen M. Wu, Elmer J. DeWitt | 1987-07-21 |
| 4681917 | Poly (vinyl chloride) compositions | Muyen M. Wu, Elmer J. DeWitt | 1987-07-21 |
| 4677164 | Chlorinated poly(vinyl chloride) compositions | Muyen M. Wu, Elmer J. DeWitt | 1987-06-30 |
| 4673717 | Process for the modification of aromatic polymers via Friedel-Crafts reactions to produce novel polymers and the use thereof | Elena S. Percec | 1987-06-16 |
| 4663050 | Semipermeable membranes prepared from polymers containing adjacent, pendent carboxy groups | William M. Giffen, Jr. | 1987-05-05 |
| 4638042 | Copolymers containing indene | Muyen M. Wu, Elmer J. De Witt | 1987-01-20 |
| 4603186 | Tetrapolymers containing indene | Muyen M. Wu, Elmer J. De Witt | 1986-07-29 |
| 4596856 | Poly(vinyl chloride) compositions | Muyen M. Wu, Elmer J. DeWitt | 1986-06-24 |
| 4596860 | Process for the modification of aromatic polymers via Friedel-Crafts reactions to produce novel polymers and the use thereof | Elena S. Percec | 1986-06-24 |
| 4586939 | Process for separating gaseous mixtures using a semipermeable membrane constructed from substituted poly(arylene oxide) polymer | — | 1986-05-06 |
| 4551156 | Permselective membrane compositions for gas separations and process for the separation of gases therewith | — | 1985-11-05 |
| 4521224 | Semipermeable membranes prepared from polymers containing pendent sulfone groups | — | 1985-06-04 |
| 4508787 | Imidized surface protection for maleic anhydride interpolymer articles | William M. Giffen, Jr., Arthur F. Miller | 1985-04-02 |
| 4428776 | Cellulosic semipermeable membranes containing silicon compounds | — | 1984-01-31 |
| 4427419 | Semipermeable membranes prepared from polymers containing pendent sulfone groups | — | 1984-01-24 |