US3842053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluoroalkyl iodide modified polybutadiene resins
Assignee: ATK Launch Systems LLC
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Filing: 1973-12-28
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Granted: 1974-10-15
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Expires: 1993-12-28
Abstract
Abstract 1. A PERFLUOROALKYL IODIDE MODIFIED FFUNCTIONALLY-TERMINATED BUTADIENE POLYMER PREPARED FROM THE REACTION OF PERFLUOROALKYL IODIDE AND A FUNCTIONALLY-TERMINATED POLYMER CONTAINING PENDENT VINYL GROUPS WHEREIN AT LEAST SOME OF SAID PENDENT GROUPS ARE REACTED WITH SAID PERFLUOROALKYL IODIDE IN A SOLVENT UNDER REFLUXING CONDITIONS AT A TEMPERATURE OF FROM 50 TO ABOUT 130* C. AND IN THE PRESENCE OF A CATALYST.
Inventors
- 👤 J Villa
- 👤 H Iserson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:37
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/12; C08C19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PERFLUOROALKYL IODIDE MODIFIED FFUNCTIONALLY-TERMINATED BUTADIENE POLYMER PREPARED FROM THE REACTION OF PERFLUOROALKYL IODIDE AND A FUNCTIONALLY-TERMINATED POLYMER CONTAINING PENDENT VINYL GROUPS WHEREIN AT LEAST SOME OF SAID PENDENT GROUPS ARE REACTED WITH SAID PERFLUOROALKYL IODIDE IN A SOLVENT UNDER REFLUXING CONDITIONS AT A TEMPERATURE OF FROM 50 TO ABOUT 130* C. AND IN THE PRESENCE OF A CATALYST.
Claim 2
Dependent Claim
59 words
A PERFLUOROALKYL IODIDE MODIFIED FFUNCTIONALLY-TERMINATED BUTADIENE POLYMER PREPARED FROM THE REACTION OF PERFLUOROALKYL IODIDE AND A FUNCTIONALLY-TERMINATED POLYMER CONTAINING PENDENT VINYL GROUPS WHEREIN AT LEAST SOME OF SAID PENDENT GROUPS ARE REACTED WITH SAID PERFLUOROALKYL IODIDE IN A SOLVENT UNDER REFLUXING CONDITIONS AT A TEMPERATURE OF FROM 50 TO ABOUT 130* C. AND IN THE PRESENCE OF A CATALYST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |