US3234288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron-containing polymers
Assignee: Dal Mon Research Co
•
Filing: 1958-09-17
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Granted: 1966-02-08
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
THE PROCESS FOR THE PREPARATION OF A POLYMERIC COMPOSITION CONTAINING BORON IN THE POLYMER MOLECULES THEREOF CONSISTING ESSENTIALLY OF THE STEP OF REACTING A COMPOSITION CONSISTING ESSENTIALLY OF A T LEAST ONE UNSATURATED COMPOUND SELECTED FROMTHE CLASS CONSISTING OF (1) ETHER COMPOUNDS HAVING AT LEAST ONE ACETYLENIC GROUP AND NO OTHER UNSATURATED GROUP THEREIN, (2) ETHER COMPOUNDS HAVING ONE ALLENIC GROUP AND AT LEAST ONE ACETYLENIC GROUP THEREIN AND HAVING NO OTHER UNSATURATED GROUP THEREIN, (3) ETHER COMPOUNDS HAVING JONE ETHYLENIC GROUP AND AT LEAST ONE ACETYLENIC GROUP THEREIN AND HAVING NO OTHER UNSATURATED GROUP THEREIN, AND (4) ETHER COMPOUNDS HAVING ONE ALLENIC GROUP AND NO OTHER UNSATURATED GROUP THEREIN, SAID UNSATURATED COMPOUND HAVING NO GROUPS THEREIN OTHER THAN YDROCARBON AND ETHER GROUPS AND HAVING A MOLECULAR WEIGHT NO GREATER THAN 300 WITH AT LEAST ONE BORON COMPOUND SELECTED FROM THE CLASS CONSISTING OF BORON HYDRIDES AND DERIVATIVES THEREOF CONTAINING ONLY HYDROCARBON SUBSTITUENT GROUPS.
Claim 2
Dependent Claim
154 words
THE PROCESS FOR THE PREPARATION OF A POLYMERIC COMPOSITION CONTAINING BORON IN THE POLYMER MOLECULES THEREOF CONSISTING ESSENTIALLY OF THE STEP OF REACTING A COMPOSITION CONSISTING ESSENTIALLY OF A T LEAST ONE UNSATURATED COMPOUND SELECTED FROMTHE CLASS CONSISTING OF (1) ETHER COMPOUNDS HAVING AT LEAST ONE ACETYLENIC GROUP AND NO OTHER UNSATURATED GROUP THEREIN, (2) ETHER COMPOUNDS HAVING ONE ALLENIC GROUP AND AT LEAST ONE ACETYLENIC GROUP THEREIN AND HAVING NO OTHER UNSATURATED GROUP THEREIN, (3) ETHER COMPOUNDS HAVING JONE ETHYLENIC GROUP AND AT LEAST ONE ACETYLENIC GROUP THEREIN AND HAVING NO OTHER UNSATURATED GROUP THEREIN, AND (4) ETHER COMPOUNDS HAVING ONE ALLENIC GROUP AND NO OTHER UNSATURATED GROUP THEREIN, SAID UNSATURATED COMPOUND HAVING NO GROUPS THEREIN OTHER THAN YDROCARBON AND ETHER GROUPS AND HAVING A MOLECULAR WEIGHT NO GREATER THAN 300 WITH AT LEAST ONE BORON COMPOUND SELECTED FROM THE CLASS CONSISTING OF BORON HYDRIDES AND DERIVATIVES THEREOF CONTAINING ONLY HYDROCARBON SUBSTITUENT GROUPS.
Claim 3
Dependent Claim
16 words
A POLYMER HAVING IN THE POLYMER MOLECULE THEREOF A PLURALITY OF REPEATING UNITS HAVING THE FORMULA
Claim 4
Dependent Claim
16 words
A POLYMER HAVING IN THE POLYMER MOLECULE THEREOF A PLURALITY OF REPEATING UNITS HAVING THE FORMULA
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US2865727A
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |