Issued Patents All Time
Showing 101–125 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994547 | Linear copolycarbonate from hydroquinone-bisphenol cyclic copolycarbonate | David K. Bonauto | 1991-02-19 |
| 4980453 | Macrocyclic oligomers containing spiro(bis)indane moietes | Thomas Link Guggenheim, James Anthony Cella, Thomas L. Evans, Luca P. Fontana, Gary R. Faler +8 more | 1990-12-25 |
| 4973729 | Method for preparing hydroquinone and hydroquinone-bisphenol a Bischloroformates | David K. Bonauto | 1990-11-27 |
| 4972039 | Process of crosslinking polycyclic oligomer from tetraphenal | Thomas Gerard Shannon | 1990-11-20 |
| 4921975 | Cyclic monocarbonate bishaloformates | Thomas Gerard Shannon | 1990-05-01 |
| 4920200 | Hydroquinone-bisphenol cyclic copolycarbonate oligomer | David K. Bonauto | 1990-04-24 |
| 4904810 | Bischoloroformate preparation method with phosgene removal and monochloroformate conversion | Thomas Gerard Shannon | 1990-02-27 |
| 4888411 | Crosslinkable polycyclic polycarbonate oligomer and methods for their preparation and use | Thomas Gerard Shannon | 1989-12-19 |
| 4829144 | Cyclic polyester oligomer and method for their preparation | Thomas Gerard Shannon | 1989-05-09 |
| 4814420 | Detecting the stoichiometric end point of phosgenation reactions | Thomas Gerard Shannon, Philip G. Kosky, Paul William Buckley, James Manio Silva | 1989-03-21 |
| 4794160 | Crosslinkable polycyclic polycarbonate oligomers and method for their preparation | Thomas Gerard Shannon | 1988-12-27 |
| 4775741 | Preparation of resin composition from cyclic polycarbonate oligomers from spirobiindane bisphenol | Thomas L. Evans, Thomas Gerard Shannon | 1988-10-04 |
| 4767877 | Nitrogen-containing bisphenol compositions | Thomas Gerard Shannon | 1988-08-30 |
| 4767840 | Cyclic monocarbonate bishaloformates, method for their preparation, and uses thereof | Thomas Gerard Shannon | 1988-08-30 |
| 4757132 | Cyclic polyester oligomer polymerization | Thomas Gerard Shannon | 1988-07-12 |
| 4755586 | Method for preparing crosslinkable polycyclic polycarbonate oligomer compositions with suppression of aqueous emulsion formation | Thomas Gerard Shannon | 1988-07-05 |
| 4740583 | Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom | Thomas L. Evans, Michael Alan Vallance, Kevin R. Stewart, Thomas Gerard Shannon, David A. Williams +3 more | 1988-04-26 |
| 4736016 | Cyclic polycarbonate oligomers from spirobiindane bisphenols | Thomas L. Evans, Thomas Gerard Shannon | 1988-04-05 |
| 4727134 | Method for preparing cyclic polycarbonate oligomer mixtures | Eugene Pauling Boden, Thomas Gerard Shannon | 1988-02-23 |
| 4722995 | Detecting the stoichiometric end point of phosgenation reactions | Thomas Gerard Shannon, Philip G. Kosky, Paul William Buckley, James Manio Silva | 1988-02-02 |
| 4696998 | Cyclic heterocarbonates and methods for their preparation and use | Thomas Link Guggenheim, Eugene Pauling Boden, Thomas Gerard Shannon, Joseph Guiles | 1987-09-29 |
| 4681949 | Bis-aminopyridinium salts as phase transfer catalysts for aromatic ether imide preparation | — | 1987-07-21 |
| 4649210 | Reducing phosgenation reaction temperatures | Philip G. Kosky, James Manio Silva, Thomas Gerard Shannon | 1987-03-10 |
| 4644053 | Cyclic polycarbonate oligomers and methods for their preparation and use | Thomas L. Evans, Thomas Gerard Shannon, David A. Williams | 1987-02-17 |
| 4638077 | Method for the preparation of chloroformate compositions | Thomas Gerard Shannon, Niles R. Rosenquist | 1987-01-20 |