US2608571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peresters of oxo-substituted monoperoxycarboxylic acids
Assignee: Shell Development Co
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Filing: 1949-12-02
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Granted: 1952-08-26
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Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Rust
- 👤 Alan R Stiles
- 👤 William E Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:03
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A MONOPERESTER THEORETICALLY DERIVED BY ESTERIFYING A MEMBER OF THE GROUP CONSISTING OF (1) THE BETA KETO-SUBSTITUTED NON-AROMATIC PEROXYMONOCARBOXYLIC ACIDS CONTAINING FROM 3 TO 20 CARBON ATOMS, (2) THE KETO-SUBSTITUTED NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS HAVING A KETO GROUP IN THE BETA POSITION RELATIVE TO THE PEROXYCARBOXYL GROUP AND CONTAINING FROM 3 TO 20 CARBON ATOMS, (3) THE NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS HAVING THE CARBOXYL GROUP IN THE BETA POSITION RELATIVE TO THE PEROXYCARBOXYL GROUP AND CONTAINING FROM 3 TO 20 CARBON ATOMS, (4) THE O-MONOESTERS OF THE KETOSUBSTITUTED NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS DESCRIBED IN THE ABOVE-DESCRIBED SECOND GROUP, AND (5) THE O-MONOESTERS OF THE NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS DESCRIBED IN THE ABOVE-DESCRIBED THIRD GROUP, WITH A TERTIARY MONOHYDRIC ALCOHOL.
Claim 2
Dependent Claim
115 words
A MONOPERESTER THEORETICALLY DERIVED BY ESTERIFYING A MEMBER OF THE GROUP CONSISTING OF (1) THE BETA KETO-SUBSTITUTED NON-AROMATIC PEROXYMONOCARBOXYLIC ACIDS CONTAINING FROM 3 TO 20 CARBON ATOMS, (2) THE KETO-SUBSTITUTED NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS HAVING A KETO GROUP IN THE BETA POSITION RELATIVE TO THE PEROXYCARBOXYL GROUP AND CONTAINING FROM 3 TO 20 CARBON ATOMS, (3) THE NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS HAVING THE CARBOXYL GROUP IN THE BETA POSITION RELATIVE TO THE PEROXYCARBOXYL GROUP AND CONTAINING FROM 3 TO 20 CARBON ATOMS, (4) THE O-MONOESTERS OF THE KETOSUBSTITUTED NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS DESCRIBED IN THE ABOVE-DESCRIBED SECOND GROUP, AND (5) THE O-MONOESTERS OF THE NON-AROMATIC MONOPEROXYDICARBOXYLIC ACIDS DESCRIBED IN THE ABOVE-DESCRIBED THIRD GROUP, WITH A TERTIARY MONOHYDRIC ALCOHOL.
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |