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Patent US3352824A successfully refreshed from Google Patents.
US3352824A
Expired / Lapsed
US
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Stabilized polymers of alkylene oxides
Assignee: Hoechst AG
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Filing: 1965-06-22
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Granted: 1967-11-14
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Mauz Otto
- 👤 Heriel Hasso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/0091; C08K5/36; C08K5/37; C08K5/372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A COMPOSITION OF MATTER COMPRISING A POLYMER OF AN ALKYLENE OXIDE AND A MIXTURE COMPRISING 0.1 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA A, 0.01 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA B, AND 0.01 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA C, ALL PERCENTAGES BEING CALCULATED ON THE POLYMER,
Claim 2
Dependent Claim
65 words
A COMPOSITION OF MATTER COMPRISING A POLYMER OF AN ALKYLENE OXIDE AND A MIXTURE COMPRISING 0.1 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA A, 0.01 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA B, AND 0.01 TO 5 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF FORMULA C, ALL PERCENTAGES BEING CALCULATED ON THE POLYMER,
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |