Patent US3355394A successfully refreshed from Google Patents.
US3355394A
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Stable water-in-oil dispersions and process for their manufacture
Assignee: Hoechst AG
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Filing: 1964-11-02
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Granted: 1967-11-28
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Korbanka Helmut
- 👤 Soldan Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:50
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/32; C09; C09K; C09K23/00; C09K23/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN THE PROCESS FOR THE MANUFACTURE OF A STABLE WATERIN-OIL DISPERSION BY DISPERSING WATER IN A WATER-INSOLUBLE OILY MATERIAL CONSISTING ESSENTIALLY OF A LIQUID ALIPHATIC OR AROMATIC HYDROCARBON, GREASE, OIL OR WAX, THE IMPROVEMENT WHICH COMPRISES ADDING AS DISPERSING AGENT A COPOLYMER OF ETHYLENE AND A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
50 words
IN THE PROCESS FOR THE MANUFACTURE OF A STABLE WATERIN-OIL DISPERSION BY DISPERSING WATER IN A WATER-INSOLUBLE OILY MATERIAL CONSISTING ESSENTIALLY OF A LIQUID ALIPHATIC OR AROMATIC HYDROCARBON, GREASE, OIL OR WAX, THE IMPROVEMENT WHICH COMPRISES ADDING AS DISPERSING AGENT A COPOLYMER OF ETHYLENE AND A COMPOUND OF THE FORMULA
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |