Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775741 | Preparation of resin composition from cyclic polycarbonate oligomers from spirobiindane bisphenol | Daniel J. Brunelle, Thomas Gerard Shannon | 1988-10-04 |
| 4760117 | Method for preparing copolycarbonates from cyclic polycarbonate oligomers | Tohru Takekoshi, Patricia P. Anderson | 1988-07-26 |
| 4755588 | Composition and method for controlling polymerization rate of cyclic polycarbonate oligomer with encapsulated catalyst | Michael Alan Vallance, John Kelly | 1988-07-05 |
| 4746725 | Cyclic polycarbonate-polyepoxide reaction product and method for their preparation | Niles R. Rosenquist, Edgar E. Bostick | 1988-05-24 |
| 4746726 | Cycle polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonate with Lewis acid | Carol B. Berman | 1988-05-24 |
| 4740583 | Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom | Daniel J. Brunelle, Michael Alan Vallance, Kevin R. Stewart, Thomas Gerard Shannon, David A. Williams +3 more | 1988-04-26 |
| 4736016 | Cyclic polycarbonate oligomers from spirobiindane bisphenols | Daniel J. Brunelle, Thomas Gerard Shannon | 1988-04-05 |
| 4701519 | Method for polymerizing cyclic polycarbonate oligomers with catalyst comprising polymer containing alkali metal phenoxide moieties | Carol B. Berman | 1987-10-20 |
| 4699974 | Method of preparing copolyester carbonate from cyclic aromatic polycarbonate oligomer and lactone | — | 1987-10-13 |
| 4690997 | Flame retardant wire coating compositions | James Anthony Cella, Marsha Mottel Grade | 1987-09-01 |
| 4675366 | Alkyl-containing monomers in cross-linkable polyimide compositions | Marsha Mottel Grade | 1987-06-23 |
| 4675304 | Method for modifying polycarbonate formation catalysts | David A. Williams | 1987-06-23 |
| 4657989 | Method for preparing siloxane-carbonate block copolymers | — | 1987-04-14 |
| 4650852 | Method for controlling polymerization rate of cyclic polycarbonate oligomers with pretreated catalyst | David A. Williams | 1987-03-17 |
| 4644053 | Cyclic polycarbonate oligomers and methods for their preparation and use | Daniel J. Brunelle, Thomas Gerard Shannon, David A. Williams | 1987-02-17 |
| 4636559 | Bis(cyclic carbonates), precursors thereof, and polycarbonate compositions containing them | Niles R. Rosenquist | 1987-01-13 |
| 4625013 | Aromatic sulfoxy compositions and method for their preparation | Marsha Mottel Grade | 1986-11-25 |
| 4625037 | Method for making thioether(bisphthalimide)s | — | 1986-11-25 |
| 4609712 | Method for preparing monomeric and polymeric bis(dicarboxyphenyl) sulfone compounds | Marsha Mottel Grade | 1986-09-02 |
| 4605731 | Method for preparing linear polycarbonate from cyclic oligomer with aryl carbanion generating catalyst | David A. Williams | 1986-08-12 |
| 4520204 | Method for preparation of aromatic ether imides and for catalyst recovery therein | — | 1985-05-28 |
| 4499285 | Solvent free preparation of diarylthioethers | — | 1985-02-12 |
| 4429102 | Novel sulfur-containing polyetherimides | Marsha Mottel Grade | 1984-01-31 |
| 4387208 | Phosphorous containing polymers as carriers for transition metals | Harry R. Allcock, Timothy J. Fuller | 1983-06-07 |