Synthetic resin
Abstract
Abstract A POLYMERIC RESINOUS COMPOSITION COMPRISING FROM ABOUT 40 TO ABOUT 80 WEIGHT PERCENT UNITS DERIVED FROM PIPERYLENE AND FROM ABOUT 60 TO ABOUT 20 WEIGHT PERCENT UNITS DERIVED FROM 2-METHYL-2-BUTENE WHEREIN THE SAID RESINOUS COMPOSITION HAS A SOFTENING POINT OF FROM ABOUT 80*C. TO ABOUT 110*C. THE SAID POLYMERIC RESINOUS COMPOSITION CAN BE MODIFIED BY HAVING UP TO ABOUT 25 WEIGHT PERCENT UNITS DERIVED FROM CERTAIN OTHER UNSATURATED HYDROCARBONS. THE POLYMERIC RESINOUS COMPOSITION IS PREPARED BY POLYMERIZING A MIXTURE COMPRISING FROM ABOUT 20 TO ABOUT 75 WEIGHT PERCENT OF PIPERYLENE AND FROM ABOUT 80 TO ABOUT 25 WEIGHT PERCENT OF 2-METHYL-2BUTENE IN THE PRESENCE OF AN ANHYDROUS METAL HALIDE SELECTED FROM ALUMINUM CHORIDE AND STANNIC CHLORIDE.
Inventors
- 👤 Henry A Pace
- 👤 Victor J Anhorn
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |