US2544342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Castor oil ortho silicate gels
Assignee: General Electric Co
•
Filing: 1946-04-19
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Granted: 1951-03-06
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Harry F Miller
- 👤 Ralph G Flowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:03
CPC Classifications
C; C08; C08L; C08L91/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF PREPARING GEL-LIKE COMPOSITIONS WHICH COMPRISES EFFECTING REACTION AT TEMPERATURES WITHIN THE RANGE OF FROM ABOUT 125* C. TO 175* C. BETWEEN INGREDIENTS COMPRISING A LOWER ALKYL ESTER OF ORTHO SILICIC ACID AND AN OIL SELECTED FROM THE CLASS CONSISTING OF CASTOR OIL AND HYDROGENATED CASTOR OIL IN THE RATIO OF FROM ABOUT ONE MOL OF SAID ESTER TO FROM ABOUT 1.5 TO 2.5 MOLS OF SAID OIL WHILE REMOVING ALCOHOL FORMED DURING SAID REACTION.
Claim 2
Independent Claim
77 words
THE METHOD OF PREPARING GEL-LIKE COMPOSITIONS WHICH COMPRISES EFFECTING REACTION AT TEMPERATURES WITHIN THE RANGE OF FROM ABOUT 125* C. TO 175* C. BETWEEN INGREDIENTS COMPRISING A LOWER ALKYL ESTER OF ORTHO SILICIC ACID AND AN OIL SELECTED FROM THE CLASS CONSISTING OF CASTOR OIL AND HYDROGENATED CASTOR OIL IN THE RATIO OF FROM ABOUT ONE MOL OF SAID ESTER TO FROM ABOUT 1.5 TO 2.5 MOLS OF SAID OIL WHILE REMOVING ALCOHOL FORMED DURING SAID REACTION.
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |