Patent US2822368A successfully refreshed from Google Patents.
US2822368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidized vegetable oils
Assignee: Rohm and Haas Co
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Filing: 1953-07-15
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Granted: 1958-02-04
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Rowland
- 👤 Richard F Conyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:30
CPC Classifications
C; C08; C08L; C08L15/00; C08L15/02; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
36 words
AS A NEW COMPOSITION OF MATTER AN EPOXIDIZED VEGETABLE OIL WHICH HAS AN OXIRANE OXYGEN-CONTENT OF AT LEAST 5.0% AND ALSO HAS A DEGREE OF UNSATURATION WHICH IS REPRESENTED BY AN IODINE NUMBER OF ABOUT ONE.
Claim 2
Dependent Claim
36 words
AS A NEW COMPOSITION OF MATTER AN EPOXIDIZED VEGETABLE OIL WHICH HAS AN OXIRANE OXYGEN-CONTENT OF AT LEAST 5.0% AND ALSO HAS A DEGREE OF UNSATURATION WHICH IS REPRESENTED BY AN IODINE NUMBER OF ABOUT ONE.
Claim 3
Dependent Claim
112 words
A PROCESS FOR THE PREPARATION OF AN EPOXIDIZED VEGETABLE OIL HAVING AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.0% AND A DEGREE OF UNSATURATION NO GREATER THAN THAT REPRESENTED BY AN IODINE NUMBER OF ONE WHICH COMPRIES TREATING BY AGIATING IN THE PRESENCE OF HYDROGEN AND OF A HYDROGENATION CATALYST, AT A TEMPERATURE FROM 0 TO 150*C., AN EPOXIDIZED VEGETABLE OIL WHICH HAS AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.5%, CONTINUING TREATMENT OF THE VEGETABLE OIL UNTIL THE DEGREE OF UNSATURATION OF SAID OIL IS NO GREATER THAN THAT REPRESENTED BY AN IODINE NUMBER OF ONE AND AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.0%, TERMINATING HYDROGENATION, AND SEPARATING THE EXPOXIDIZED VEGETABLE OIL PRODUCT.
Claim 4
Dependent Claim
112 words
A PROCESS FOR THE PREPARATION OF AN EPOXIDIZED VEGETABLE OIL HAVING AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.0% AND A DEGREE OF UNSATURATION NO GREATER THAN THAT REPRESENTED BY AN IODINE NUMBER OF ONE WHICH COMPRIES TREATING BY AGIATING IN THE PRESENCE OF HYDROGEN AND OF A HYDROGENATION CATALYST, AT A TEMPERATURE FROM 0 TO 150*C., AN EPOXIDIZED VEGETABLE OIL WHICH HAS AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.5%, CONTINUING TREATMENT OF THE VEGETABLE OIL UNTIL THE DEGREE OF UNSATURATION OF SAID OIL IS NO GREATER THAN THAT REPRESENTED BY AN IODINE NUMBER OF ONE AND AN OXIRANE-OXYGEN CONTENT OF AT LEAST 4.0%, TERMINATING HYDROGENATION, AND SEPARATING THE EXPOXIDIZED VEGETABLE OIL PRODUCT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |