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Patent US3211713A successfully refreshed from Google Patents.
US3211713A
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Process for modifying hydrocarbon polymers with lower aliphatic monoazidoformates
Assignee: Hercules Powder Co
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Filing: 1962-10-15
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Granted: 1965-10-12
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 David S Breslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:28
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08C; C08C19/00; C08C19/22; C08F; C08F8/00; C08F8/30; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE PROCESS OF MODIFYING A HYDROCARBON POLYMER WHICH COMPRISES HEATING SAID POLYMER AT AN ELEVATED TEMPERATURE WITH FROM ABOUT 0.001% TO ABOUT 20% OF AN ALIPHATIC MONOAZIDOFORMATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
31 words
THE PROCESS OF MODIFYING A HYDROCARBON POLYMER WHICH COMPRISES HEATING SAID POLYMER AT AN ELEVATED TEMPERATURE WITH FROM ABOUT 0.001% TO ABOUT 20% OF AN ALIPHATIC MONOAZIDOFORMATE HAVING THE GENERAL FORMULA
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |