US3330815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polynorbornenes, process for production thereof, and products produced therefrom
Assignee: Union Carbide Corp
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Filing: 1964-03-24
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Granted: 1967-07-11
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Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 James E Mckeon
- 👤 Paul S Starcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:14
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/42; C08F4/72; C08F4/80; C08F232/00; C08F232/08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/487; C08G18/4875; C08G63/00; C08G63/02; C08G63/12; C08G63/123; C08G63/137; C08G63/46; C08G63/48; C10; C10M; C10M145/00; C10M145/02; C10M145/04; C10M145/06; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR THE PRODUCTION OF SOLID POLYMERS OF BICYCLO(I.2.1)HEPT-2-ENES COMPOSED OF REPEATING STRUCTURAL UNITS WHICH COMPRISE A BICYCLOHEPTANYLENE RADICAL, SAID STRUCTURAL UNITS BEING JOINED DIRECTLY TO ONE ANOTHER AT THE 2-POSITION AND 3-POSITION CARBON ATOMS OF SAID BICYCLOHEPTANYLENE RADICAL, WHICH PROCESS COMPRISES POLYMERIZING AT LEAST ONE BICYCLO(2.2.1)HEPT-2-ENE MONOMER, HAVING HYDROGEN ATOMS ATTACHED TO THE 2-POSITION AND 3POSITION CARBON ATOMS OF THE BICYCLO(2.2.1)HELP-2-ENE RING AND AT LEAST 4 HYDROGEN ATOMS ATTACHED TO THE REMAINING CARBON ATOMS OF THE BICYCLO(2.2.1)HEPT-2-ENE RING, IN CONTACT WITH A CATALYTICALLY EFFECTIVE AMOUNT OF A PALLADIUM COMPOUND CAPABLE OF FORMING A SUBSTANTIALLY HOMOGENOUS PHASE WITH SAID MONOMER AND WHEREIN PALLADIUM EXISTS IN AN OXIDATION STATE CAPABLE OF FORMING DPS2 HYBRID ORBITALS.
Claim 2
Dependent Claim
115 words
A PROCESS FOR THE PRODUCTION OF SOLID POLYMERS OF BICYCLO(I.2.1)HEPT-2-ENES COMPOSED OF REPEATING STRUCTURAL UNITS WHICH COMPRISE A BICYCLOHEPTANYLENE RADICAL, SAID STRUCTURAL UNITS BEING JOINED DIRECTLY TO ONE ANOTHER AT THE 2-POSITION AND 3-POSITION CARBON ATOMS OF SAID BICYCLOHEPTANYLENE RADICAL, WHICH PROCESS COMPRISES POLYMERIZING AT LEAST ONE BICYCLO(2.2.1)HEPT-2-ENE MONOMER, HAVING HYDROGEN ATOMS ATTACHED TO THE 2-POSITION AND 3POSITION CARBON ATOMS OF THE BICYCLO(2.2.1)HELP-2-ENE RING AND AT LEAST 4 HYDROGEN ATOMS ATTACHED TO THE REMAINING CARBON ATOMS OF THE BICYCLO(2.2.1)HEPT-2-ENE RING, IN CONTACT WITH A CATALYTICALLY EFFECTIVE AMOUNT OF A PALLADIUM COMPOUND CAPABLE OF FORMING A SUBSTANTIALLY HOMOGENOUS PHASE WITH SAID MONOMER AND WHEREIN PALLADIUM EXISTS IN AN OXIDATION STATE CAPABLE OF FORMING DPS2 HYBRID ORBITALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |