US2541670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of 4-vinylcyclohexene dioxide
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1949-05-19
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Granted: 1951-02-13
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Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Segall Gordon Hart
- 👤 Allenby Owen Clement Wentworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:43
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/287; C10M2207/289
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR PREPARING MONOHYDROXY MONOESTER OXIDES WHICH COMPRISES REACTING ONE MOL OF 4-VINYLCYCLOHEXENE DIOXIDE WITH ONE MOL OF LONG CHAIN FATTY ACID AT A TEMPERATURE OF FROM 100* C. TO 150* C. AND IN THE PRESENCE OF AT LEAST 1% BY WEIGHT OF THE REACTION MIXTURE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF POTASSIUM HYDROXIDE, LITHIUM HYDROXIDE, TETRAMETHYLAMMONIUM HYDROXIDE AND TRIMETHYLBENZYLAMMONIUM HYDROXIDE.
Claim 2
Dependent Claim
65 words
A PROCESS FOR PREPARING MONOHYDROXY MONOESTER OXIDES WHICH COMPRISES REACTING ONE MOL OF 4-VINYLCYCLOHEXENE DIOXIDE WITH ONE MOL OF LONG CHAIN FATTY ACID AT A TEMPERATURE OF FROM 100* C. TO 150* C. AND IN THE PRESENCE OF AT LEAST 1% BY WEIGHT OF THE REACTION MIXTURE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF POTASSIUM HYDROXIDE, LITHIUM HYDROXIDE, TETRAMETHYLAMMONIUM HYDROXIDE AND TRIMETHYLBENZYLAMMONIUM HYDROXIDE.
References Cited (Backward Citations)
US2089569A
Cited
US2131142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |