US2695915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of oxypropylated glycerol
Assignee: —
•
Filing: —
•
Granted: 1954-11-30
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Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:09
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C07; C07C; C07C69/00; C07C69/34; C07C69/40; C07C69/66; C07C69/67; C07C69/708
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING CHARACTERIZED BY THE FOLLOWING FORMULA: IN WHICH N IS A WHOLE NUMBER VARYING FROM 15 TO 80; N'' IS A WHOLE NUMBER NOT OVER 2; R'' IS AN ALKYL RADICAL HAVING LESS THAN 8 CARBON ATOMS, AND R IS THE RADICAL OF A POLYCARBOXY ACID SELECTED FROM THE GROUP CONSISTING OF ACYCLIC AND ISOCYCLIC POLYCARBOXY ACIDS HAVING NOT MORE THAN 8 CARBON ATOMS AND COMPOSED OF CARBON, HYDROGEN AND OXYGEN OF THE FORMULA:
Claim 2
Dependent Claim
81 words
HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING CHARACTERIZED BY THE FOLLOWING FORMULA: IN WHICH N IS A WHOLE NUMBER VARYING FROM 15 TO 80; N'' IS A WHOLE NUMBER NOT OVER 2; R'' IS AN ALKYL RADICAL HAVING LESS THAN 8 CARBON ATOMS, AND R IS THE RADICAL OF A POLYCARBOXY ACID SELECTED FROM THE GROUP CONSISTING OF ACYCLIC AND ISOCYCLIC POLYCARBOXY ACIDS HAVING NOT MORE THAN 8 CARBON ATOMS AND COMPOSED OF CARBON, HYDROGEN AND OXYGEN OF THE FORMULA:
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |