Patent US3557072A successfully refreshed from Google Patents.
US3557072A
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Plastomers derived from dimethanooctahydronaphthalene and their method of manufacture
Assignee: Charbonnages de France CDF
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Filing: 1968-01-10
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Granted: 1971-01-19
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Expires: 1988-01-10
Abstract
Abstract THE INVENTION CONCERNS NEW PLASTOMER POLYMERS OBTAINED BY POLYMERISATION OF AT LEAST ONE NEW MONOMER OF THE GROUP OF DIMETHANOOCTAHYDRONAPHTHALENE AND ITS ALKYL DERIVATIVES (OBTAINED BY REACTION OF AN ALIPHATIC OLEFIN WITH CYCLOPENTADIENE) WITH FROM 0 TO 99% OF A COMPOUND OF THE GROUP OF STYRENE, ACENAPHTHYLENE AND CYCLIC OLEFINS, IN THE PRESENCE OF A CATALYST COMPRISING A SALT OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, PLATINUM IN ASSOCIATION WITH AN ALCOHOL OR A SALT OF TITANIUM, VANADIUM, ZIRCONIUM, TUNGSTEN, MOLYBDENUM IN ASSOCIATION WITH A COMPOUND HAVING A METAL-HYDROCARBON OR METAL-HYDROCARBON BOND.
Inventors
- 👤 Jean Vergne
- 👤 Claude Pailloux
- 👤 Jean-Claude Muller
- 👤 Jean-Claude Robinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:14
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/62; C07C13/66; C07C13/68; C07C2/00; C07C2/02; C07C2/50; C08F; C08F10/00; C07C2603/00; C07C2603/56; C07C2603/86
Claims Analysis
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References 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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |