US3207578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of waterdispersible fibrous alumina monohydrate
Assignee: EIDP Inc
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Filing: 1964-06-11
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Granted: 1965-09-21
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Brown
- 👤 Bugosh John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:05
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/34; C01F7/36; C01P; C01P2004/00; C01P2004/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PROCESS FOR THE PREPARATION OF A WATER-DISPERSIBLE FIBROUS ALIMINA MONOHYDRATE, SAID PROCESS COMPRISING CONTINUOUSLY (A) ADMIXING 6% TO 52%, BY WEIGHT, OF A BASIC ALUMINUM ACETATE HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
A PROCESS FOR THE PREPARATION OF A WATER-DISPERSIBLE FIBROUS ALIMINA MONOHYDRATE, SAID PROCESS COMPRISING CONTINUOUSLY (A) ADMIXING 6% TO 52%, BY WEIGHT, OF A BASIC ALUMINUM ACETATE HAVING 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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |