US2774740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gel breakers of heavy metal soap gels
Assignee: Individual
•
Filing: 1954-02-12
•
Granted: 1956-12-18
•
Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Magram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:12
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02; Y; Y10; Y10S; Y10S507/00; Y10S507/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR THE BREAKING OF GELS COMPOSED OF A POLYVALENT METAL SOAP AND A LIQUID HYDROCARBON WHICH COMPRISES ADDING TO SAID GEL A CHELATING AGENT OF THE GROUP CONSISTING OF BETA-DI-OXO COMPOUNDS, 8-HYDROXYQUINOLINE, AND ORTHOHYDORXY AROMATIC ALDEHYDES IN A QUANTITY SUFFICIENT TO LIQUEFY THE GEL.
Claim 2
Dependent Claim
46 words
A PROCESS FOR THE BREAKING OF GELS COMPOSED OF A POLYVALENT METAL SOAP AND A LIQUID HYDROCARBON WHICH COMPRISES ADDING TO SAID GEL A CHELATING AGENT OF THE GROUP CONSISTING OF BETA-DI-OXO COMPOUNDS, 8-HYDROXYQUINOLINE, AND ORTHOHYDORXY AROMATIC ALDEHYDES IN A QUANTITY SUFFICIENT TO LIQUEFY THE GEL.
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |