US2652394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain oxyalkylated derivatives of sucrose
Assignee: Baker Petrolite LLC
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Filing: 1950-02-27
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Granted: 1953-09-15
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Expires: 1970-02-27
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:11
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/04; C07H15/08; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
HYDROPHILE SYNTHETIC PRODUCTS, SAID HYDROPHILE SYNTHETIC PRODUCTS BEING XYLENE SOLUBLE; SAID HYPROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF SUCROSE WITH AT LEAST ONE ALKYLENE OXIDE OF THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE GLYCIDE AND METHYL GLYCIDE, AT LEAST PART OF THE ALKYLENE OXIDE BEING SELECTED FROM THE CLASS CONSISTING OF PROPYLENE OXIDE AND BUTYLENE OXIDE, THE PROPORTION OF SUCROSE RADICAL IN SUCH PRODUCT BEING LESS THAN 10% (WEIGHT BASIS) OF THE TOTAL ON THE ASSUMPTION OF COMPLETENESS OF REACTION AND ON THE AVERAGE STATISTICAL BASIS.
Claim 2
Dependent Claim
89 words
HYDROPHILE SYNTHETIC PRODUCTS, SAID HYDROPHILE SYNTHETIC PRODUCTS BEING XYLENE SOLUBLE; SAID HYPROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF SUCROSE WITH AT LEAST ONE ALKYLENE OXIDE OF THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE GLYCIDE AND METHYL GLYCIDE, AT LEAST PART OF THE ALKYLENE OXIDE BEING SELECTED FROM THE CLASS CONSISTING OF PROPYLENE OXIDE AND BUTYLENE OXIDE, THE PROPORTION OF SUCROSE RADICAL IN SUCH PRODUCT BEING LESS THAN 10% (WEIGHT BASIS) OF THE TOTAL ON THE ASSUMPTION OF COMPLETENESS OF REACTION AND ON THE AVERAGE STATISTICAL BASIS.
References Cited (Backward Citations)
US1863208A
Cited
US2450079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |