Patent US2219805A successfully refreshed from Google Patents.
Patent US3427295A successfully refreshed from Google Patents.
US3427295A
Expired / Lapsed
US
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Pentaerythritol derivatives
Assignee: Rohm and Haas Co
•
Filing: 1958-12-10
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Granted: 1969-02-11
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Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel F Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:16
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/32; C07; C07C; C07C203/00; C07C203/02; C07C203/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL TRINITRATOPENTAERYTHRIFYL ETHER, POLY(VINYL TRINITRATOPENTAERYTHRITYL ETHER) AND COPOLYMERS OF VINYL TRINITRATOPENTAERYTHRITYL ETHER WITH A MONOMER SELECTED FROM THE GROUP CONSISTING OF TRINITRATOPENTAERYTHRITYL ACRYLATE AND ALKYL ACRYLATES.
Claim 2
Dependent Claim
34 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL TRINITRATOPENTAERYTHRIFYL ETHER, POLY(VINYL TRINITRATOPENTAERYTHRITYL ETHER) AND COPOLYMERS OF VINYL TRINITRATOPENTAERYTHRITYL ETHER WITH A MONOMER SELECTED FROM THE GROUP CONSISTING OF TRINITRATOPENTAERYTHRITYL ACRYLATE AND ALKYL ACRYLATES.
Claim 3
Dependent Claim
50 words
A PROCESS FOR THE PREPARATION OF VINYL TRINITRATOPENTAERYTHRITYL ETHER WHICH COMPRISES REACTING TRINITRATOPENTAERYTHRITOL WITH A VINYL ETHER SELECTED FROM THE GROUP CONSISTING OF ALKYL VINYL ETHERS AND MONOHALOALKYL VINYLL ETHERS, MERCURIC ACETATE BEING PRESENT IN THE REACTION MIXTURE AS AN ESTERIFICATION CATALYST, AND RECOVERING THE VINYL TRINITRATOPENTAERYTHRITYL ETHER SO FORMED.
Claim 4
Dependent Claim
50 words
A PROCESS FOR THE PREPARATION OF VINYL TRINITRATOPENTAERYTHRITYL ETHER WHICH COMPRISES REACTING TRINITRATOPENTAERYTHRITOL WITH A VINYL ETHER SELECTED FROM THE GROUP CONSISTING OF ALKYL VINYL ETHERS AND MONOHALOALKYL VINYLL ETHERS, MERCURIC ACETATE BEING PRESENT IN THE REACTION MIXTURE AS AN ESTERIFICATION CATALYST, AND RECOVERING THE VINYL TRINITRATOPENTAERYTHRITYL ETHER SO FORMED.
References Cited (Backward Citations)
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |