Patent US3369060A successfully refreshed from Google Patents.
US3369060A
Expired / Lapsed
US
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Alkylene oxide reaction product with polyphosphoric acids
Assignee: Wyandotte Chemicals Corp
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Filing: 1966-08-04
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Granted: 1968-02-13
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Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Paul E Pelletier
- 👤 Pelletier Floy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:02
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/5081; C08G18/5084; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COMPOSITION OF MATTER COMPRISING THE SUBSTANTIALLY NEUTRAL HYDROXY REACTION PRODUCT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE AND STYRENE OXIDE WITH A PHOSPHORUS ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS ACIDS WHICH CORRESPOND TO A MIXTURE OF FROM 75-90% BY WEIGHT OF PHOSPHORUS PENTOXIDE WITH FROM 10-25% BY WEIGHT OF WATER AND PARTIAL ALKYL ETHERS OF SAID ACIDS HAVING A RESIDUE AFTER ESTERIFICATION OF AT LEAST ONE OH GROUP PER HOSPHORUS ATOM, SAID HYDROXY REACTION PRODUCT CONTAINING AT LEAST ONE REACTED EPOXY GROUP PER HYDROXYL EQUIVALENT OF SAID ACID.
Claim 2
Dependent Claim
99 words
A COMPOSITION OF MATTER COMPRISING THE SUBSTANTIALLY NEUTRAL HYDROXY REACTION PRODUCT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE AND STYRENE OXIDE WITH A PHOSPHORUS ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS ACIDS WHICH CORRESPOND TO A MIXTURE OF FROM 75-90% BY WEIGHT OF PHOSPHORUS PENTOXIDE WITH FROM 10-25% BY WEIGHT OF WATER AND PARTIAL ALKYL ETHERS OF SAID ACIDS HAVING A RESIDUE AFTER ESTERIFICATION OF AT LEAST ONE OH GROUP PER HOSPHORUS ATOM, SAID HYDROXY REACTION PRODUCT CONTAINING AT LEAST ONE REACTED EPOXY GROUP PER HYDROXYL EQUIVALENT OF SAID ACID.
References Cited (Backward Citations)
US2979523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |