US2774741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking emulsions
Assignee: GAF Chemicals Corp
•
Filing: 1954-12-03
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Granted: 1956-12-18
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Expires: 1974-12-03
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Martinelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:22
CPC Classifications
C; C10; C10G; C10G33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A PROCESS FOR BREAKING A WATER-IN-OIL TYPE EMULSION COMPRISING SUBJECTING SUCH EMULSION TO THE ACTION OF A POLYMERIC VINYL ETHER CHARACTERIZED BY THE FORMULA
Claim 2
Dependent Claim
24 words
A PROCESS FOR BREAKING A WATER-IN-OIL TYPE EMULSION COMPRISING SUBJECTING SUCH EMULSION TO THE ACTION OF A POLYMERIC VINYL ETHER CHARACTERIZED BY THE FORMULA
References Cited (Backward Citations)
US2104000A
Cited
US2618663A
Cited
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 |