Patent US2553402A successfully refreshed from Google Patents.
US2553402A
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Titania gels and method for their manufacture
Assignee: Standard Oil Development Co
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Filing: 1947-04-02
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Granted: 1951-05-15
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Expires: 1967-04-02
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Connolly
- 👤 Jr Robert E Schexnailder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:23
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/053; C01G23/0532; C01P; C01P2004/00; C01P2004/50; C01P2006/00; C01P2006/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF PRODUCING TITANIA GEL OF SELECTED APPARENT DENSITY WHICH COMPRISES PRECIPITATING TITANIA IN GEL FORM FROM A SOLUTION OF TITANYL SULPHATE WHILE ADJUSTING THE PROPORTIONS OF THE REACTANTS SO AS TO MAINTAIN IN THE SUPERNATANT LIQUID RESULTING FROM THE PRECIPITATION A PH SELECTED TO GIVE THE DESIRED GEL APPARENT DENSITY, BEING ON THE ACID SIDE FOR A DESIRED APPARENT DENSITY ABOVE 1 AND ON THE ALKALINE SIDE FOR A DESIRED APPARENT DENSITY LESS THAN 1, WASHING THE
Claim 2
Independent Claim
79 words
A METHOD OF PRODUCING TITANIA GEL OF SELECTED APPARENT DENSITY WHICH COMPRISES PRECIPITATING TITANIA IN GEL FORM FROM A SOLUTION OF TITANYL SULPHATE WHILE ADJUSTING THE PROPORTIONS OF THE REACTANTS SO AS TO MAINTAIN IN THE SUPERNATANT LIQUID RESULTING FROM THE PRECIPITATION A PH SELECTED TO GIVE THE DESIRED GEL APPARENT DENSITY, BEING ON THE ACID SIDE FOR A DESIRED APPARENT DENSITY ABOVE 1 AND ON THE ALKALINE SIDE FOR A DESIRED APPARENT DENSITY LESS THAN 1, WASHING THE
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |