Machine for roughing the margin of an upper of a shoe assembly photoconductive polyether composition having pendant pyrrole rings
Abstract
Abstract 1. A PHOTOCONDUCTIVE POLYETHER CONTAINING ETHER BONDS IN THE PRINCIPAL OR SIDE CHAINS THEREOF AND CONTAINING PYRROLE RINGS IN THE SIDE CHAINS WHICH POLYETHER CONTAINS REPEATING UNITS WITH THE FORMULA I, II, III OR IV -C(-R1)(-R2)-C(-R3)(-R4-Y)-O- I -C(-R1)(-R2)-C(-R3)(-O-R4-Y)- II -C(-R1)(-R2)-C(-R3)(-R4-Y)-C(-R5)(-R6)-O- III -C(-R1)(-R2)-C(-R4-Y)(-R4-X)-C(-R5)(-R6)-O- IV WHEREIN R1, R2, R3, R5 AND R6 REPRESENT A HYDROGEN ATOM, A LOWER ALKYL GROUP OR AN ARYL GROUP; R4 REPRESENTS A C1-6 ALKYLENE GROUP; X REPRESENTS A HALOGEN ATOM OR A GROUP CONTAINING A PYRROLE RING ATTACHED TO THE R4 AT THE PYRROLE NITROGEN ATOM; AND Y REPRESENTS A GROUP CONTAINING A PYRROLE RING ATTACHED TO THE R4 AT THE PYRROLE NITROGEN ATOM.
Inventors
- 👤 H Fukutani
- 👤 K Miura
- 👤 T Murayama
Bibliographic Details
Claims Analysis
Total Claims: 2References 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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |