Issued Patents All Time
Showing 126–148 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605745 | N-neopentyl-4-diorganoamino pyridinium compounds | Daniel A. Singleton | 1986-08-12 |
| 4601858 | Method for preparing bischloroformate compositions | Thomas Gerard Shannon | 1986-07-22 |
| 4595760 | Bis-aminopyridinium salts | — | 1986-06-17 |
| 4590257 | Boron- and nitrogen-containing compositions and their use in polycarbonate and polyester-polycarbonate synthesis | — | 1986-05-20 |
| 4513141 | Method for making aromatic ethers using diorganoamino pyridinum salt catalyst | Daniel A. Singleton | 1985-04-23 |
| 4507246 | Titanium chelate catalyst | — | 1985-03-26 |
| 4460778 | Phase transfer catalysts | — | 1984-07-17 |
| 4452932 | Inhibition of ester-carbonate interchange in polyester-polycarbonate blends | — | 1984-06-05 |
| 4452970 | Catalytic process for preparing poly(alkylene dicarboxylates) and catalysts for use therein | — | 1984-06-05 |
| 4410422 | Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions | — | 1983-10-18 |
| RE31262 | Polycarbonate transesterification | — | 1983-05-31 |
| 4363905 | Polycarbonate transesterification from bis(ortho-nitroaryl)carbonate | — | 1982-12-14 |
| 4353793 | Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions | — | 1982-10-12 |
| 4351718 | Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions | — | 1982-09-28 |
| 4349486 | Monocarbonate transesterification process | William E. Smith | 1982-09-14 |
| 4345062 | Polycarbonate transesterification with tetraborate or tetraaluminate anion containing catalyst | — | 1982-08-17 |
| 4330664 | Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group | — | 1982-05-18 |
| 4329443 | Process for polyester-carbonate transesterifications | — | 1982-05-11 |
| 4323668 | (Ortho-alkoxycarbonyaryl)-carbonate transesterification | — | 1982-04-06 |
| 4321356 | Transesterification process utilizing as a reactant bis(ortho-haloaryl)carbonates | — | 1982-03-23 |
| 4316981 | Polycarbonate transesterification | — | 1982-02-23 |
| 4310656 | Polycarbonate transesterification | — | 1982-01-12 |
| 4217438 | Polycarbonate transesterification process | William E. Smith | 1980-08-12 |