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US3128254A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymeric boron compositions

Assignee: Dal Mon Research Co
•
Filing: 1958-06-25
•
Granted: 1964-04-07
•
Expires: 1978-06-25
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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)

US2929697A Cited
US2699457A Cited
US2685575A Cited
US2744074A Cited
US2775563A Cited
US2840551A Cited
US2954284A Cited

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

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