US3238245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of pentaerythritol trinitrate acrylate
Assignee: EIDP Inc
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Filing: 1959-09-08
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Granted: 1966-03-01
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Reedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS FOR THE PREPARATION OF PENTAERYTHRITOL TRINITRATE ACRYLATE WHICH COMPRISES REACTING PENTAERYTHRITOL TRINITRATE AND ACRYLIC ACID IN THE PRESENCE OF AN ACID CHLORIDE SELECTED FROM THE GROUP CONSISTING OF PHOSGENE AND PHOSPHORUS OXYCHLORIDE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE AND TRIBUTYLAMINE.
Claim 2
Dependent Claim
47 words
A PROCESS FOR THE PREPARATION OF PENTAERYTHRITOL TRINITRATE ACRYLATE WHICH COMPRISES REACTING PENTAERYTHRITOL TRINITRATE AND ACRYLIC ACID IN THE PRESENCE OF AN ACID CHLORIDE SELECTED FROM THE GROUP CONSISTING OF PHOSGENE AND PHOSPHORUS OXYCHLORIDE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE AND TRIBUTYLAMINE.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |