US3128254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric boron compositions
Assignee: Dal Mon Research Co
•
Filing: 1958-06-25
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Granted: 1964-04-07
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Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/08; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
THE PROCESS FOR EFFECTING THE CONDENSATION POLYMERIZATION REACTION OF A POLYUNSATURATED HYDROCARBON AND A BORON COMPOUND HAVING ALL ITS SUBSTITUENT RADICALS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS HAVING NO MORE THAN 14 CARBON ATOMS THEREIN COMPRISING THE STEP OF MAINTAINING A MIXTURE CONSISTING ESSENTIALLY OF AT LEAST ONE POLYUNSATURATED HYDROCARBON HAVING A MOLECULAR WEIGHT NO GREATER THAN 300 AND HAVING A PLURALITY OF ETHYLENICALLY UNSATURATED GROUPS THEREIN AND AT LEAST ONE BORON COMPOUND HAVING ALL ITS SUBSTITUENT RADICALS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS HAVING NO MORE THAN 14 CARBON ATOMS THEREIN AT A TEMPERATURE HIGH ENOUGH TO DISPLACE AT LEAST A MAJOR PART OF THE RADICALS ORIGINALLY ATTACHED TO THE BORON IN SAID COMPOUND BY SAID POLYUNSATURATED COMPOUND AND EFFECTING SAID REACTION FOR A PERIOD SUFFICIENT TO GIVE A CONDENSATION POLYMER HAVING A PLURALITY OF BORON ATOMS THEREIN, IN WHICH SAID REACTING COPMPOSITION ALSO COMPRISES AT LEAST ONE MONOALKENYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF MONOALKENYL HYDROCARBONS AND MONOALKENYL ETHERS HAVING NO MORE THAN 16 CARBON ATOMS THEREIN.
Claim 2
Dependent Claim
178 words
THE PROCESS FOR EFFECTING THE CONDENSATION POLYMERIZATION REACTION OF A POLYUNSATURATED HYDROCARBON AND A BORON COMPOUND HAVING ALL ITS SUBSTITUENT RADICALS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS HAVING NO MORE THAN 14 CARBON ATOMS THEREIN COMPRISING THE STEP OF MAINTAINING A MIXTURE CONSISTING ESSENTIALLY OF AT LEAST ONE POLYUNSATURATED HYDROCARBON HAVING A MOLECULAR WEIGHT NO GREATER THAN 300 AND HAVING A PLURALITY OF ETHYLENICALLY UNSATURATED GROUPS THEREIN AND AT LEAST ONE BORON COMPOUND HAVING ALL ITS SUBSTITUENT RADICALS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS HAVING NO MORE THAN 14 CARBON ATOMS THEREIN AT A TEMPERATURE HIGH ENOUGH TO DISPLACE AT LEAST A MAJOR PART OF THE RADICALS ORIGINALLY ATTACHED TO THE BORON IN SAID COMPOUND BY SAID POLYUNSATURATED COMPOUND AND EFFECTING SAID REACTION FOR A PERIOD SUFFICIENT TO GIVE A CONDENSATION POLYMER HAVING A PLURALITY OF BORON ATOMS THEREIN, IN WHICH SAID REACTING COPMPOSITION ALSO COMPRISES AT LEAST ONE MONOALKENYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF MONOALKENYL HYDROCARBONS AND MONOALKENYL ETHERS HAVING NO MORE THAN 16 CARBON ATOMS THEREIN.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |