Issued Patents All Time
Showing 26–50 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552704 | Process for the production of aromatic carbonates | — | 1985-11-12 |
| 4552949 | Polycarbonate of spiro dihydric phenol | — | 1985-11-12 |
| 4547564 | Polyester carbonate from branched chain alkylidene dihydric phenol | Charles V. Hedges | 1985-10-15 |
| 4535191 | Dihydric phenols | Charles V. Hedges | 1985-08-13 |
| 4526956 | Copolyester-carbonates exhibiting improved processability | — | 1985-07-02 |
| 4520187 | Polycarbonates and polyester carbonates exhibiting improved heat resistance | Charles V. Hedges | 1985-05-28 |
| 4514334 | Polyphenolic compounds | — | 1985-04-30 |
| 4506064 | Amide and carbamate terminated copolyester-carbonates | — | 1985-03-19 |
| 4506046 | Flame retardant polycarbonate compositions | — | 1985-03-19 |
| 4504649 | Copolyester-carbonate resins | — | 1985-03-12 |
| 4501875 | Polycarbonate from carbonyl halide, bischloroformate and dihydric phenol | — | 1985-02-26 |
| 4490504 | Flame retardant non-dripping polycarbonate compositions | — | 1984-12-25 |
| 4487917 | Copolyester-carbonate resins exhibiting improved processability | — | 1984-12-11 |
| 4487896 | Copolyester-carbonate compositions exhibiting improved processability | Charles V. Hedges | 1984-12-11 |
| 4477632 | Flame retardant copolyester-carbonate compositions | — | 1984-10-16 |
| 4477647 | Polyarylate resin of thiodiphenols and isophthalic acid or derivatives thereof | Charles V. Hedges | 1984-10-16 |
| 4476294 | Copolyester-carbonate resins | — | 1984-10-09 |
| 4474999 | Phenol compounds, process and polymers | Charles V. Hedges | 1984-10-02 |
| 4473685 | Flame retardant non-dripping polycarbonate compositions exhibiting improved thick section impact | — | 1984-09-25 |
| 4469861 | Polycarbonate composition from branched chain dihydric phenol | Charles V. Hedges | 1984-09-04 |
| 4469833 | Flame retardant polycarbonate compositions | — | 1984-09-04 |
| 4467121 | Fluorinated diphenols and method for their preparation | Charles V. Hedges | 1984-08-21 |
| 4463161 | Polyarylate compositions | Charles V. Hedges | 1984-07-31 |
| 4463160 | Polyarylates exhibiting improved heat resistance | Charles V. Hedges | 1984-07-31 |
| 4454308 | Rubbery polyarylates | Charles V. Hedges | 1984-06-12 |