US2910494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyaluminum oxide carboxylates
Assignee: J W Ayers & Co
•
Filing: 1958-01-24
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Granted: 1959-10-27
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Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Rinse Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:35
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR THE PRODUCTION OF LINEAR POLYMERIC ALUMINUM OXIDE GLYCINATES AND LACTATES, HYDROXY GLYCINATES AND HYDROXY LACTATES WHICH COMPRISES, ADDING AN ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCINE AND LACTIC ACID TO AN ALUMINUM ALCOHOLATE OF A LOWER MOLECULAR ALCOHOL IN THE PRESENCE OF WATER AND AN ALCOHOL SOLVENT VAPORIZABLE FROM THE PRODUCT TO BE FORMED WITHOUT DECOMPOSING THE SAMD; THE ALUMINUM COMPOUND, THE ACID COMPOUND AND THE WATER BEING BROUGHT TOGETHER IN THE MOLAR RATIO OF 6:2-10:4-12, REACTING THE RESULTING MIXTURE AT A TEMPERATURE ABOVE ABOUT 80*C. BUT BELOW THE DECOMPOSITION TEMPERATURE OF THE PRODUCT FORMED, UNTIL THE LIBERATION OF ALCOHOL CEASES.
Claim 2
Dependent Claim
106 words
A PROCESS FOR THE PRODUCTION OF LINEAR POLYMERIC ALUMINUM OXIDE GLYCINATES AND LACTATES, HYDROXY GLYCINATES AND HYDROXY LACTATES WHICH COMPRISES, ADDING AN ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCINE AND LACTIC ACID TO AN ALUMINUM ALCOHOLATE OF A LOWER MOLECULAR ALCOHOL IN THE PRESENCE OF WATER AND AN ALCOHOL SOLVENT VAPORIZABLE FROM THE PRODUCT TO BE FORMED WITHOUT DECOMPOSING THE SAMD; THE ALUMINUM COMPOUND, THE ACID COMPOUND AND THE WATER BEING BROUGHT TOGETHER IN THE MOLAR RATIO OF 6:2-10:4-12, REACTING THE RESULTING MIXTURE AT A TEMPERATURE ABOVE ABOUT 80*C. BUT BELOW THE DECOMPOSITION TEMPERATURE OF THE PRODUCT FORMED, UNTIL THE LIBERATION OF ALCOHOL CEASES.
References Cited (Backward Citations)
US2480743A
Cited
US2744074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |