US2568784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of olefin oxides and p2o5 or p2s5 and the method of forming the same
Assignee: Victor Chemical Works
•
Filing: 1950-07-18
•
Granted: 1951-09-25
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Expires: 1970-07-18
Abstract
No abstract record available.
Inventors
- 👤 Willard H Woodstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:45
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A RESILIENT SOLID COMPOSITION CONSISTING OF THE POLYMER OF THE REACTION PRODUCT OF 5 MOLES OF ETHYLENE OXIDE WITH EACH MOLE OF PHOSPHORIC ANHYDRIDE.
Claim 2
Dependent Claim
24 words
A RESILIENT SOLID COMPOSITION CONSISTING OF THE POLYMER OF THE REACTION PRODUCT OF 5 MOLES OF ETHYLENE OXIDE WITH EACH MOLE OF PHOSPHORIC ANHYDRIDE.
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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |