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US3355394A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable water-in-oil dispersions and process for their manufacture

Assignee: Hoechst AG
•
Filing: 1964-11-02
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Granted: 1967-11-28
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Expires: 1984-11-02
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Abstract

No abstract record available.

Inventors

  • 👤 Korbanka Helmut
  • 👤 Soldan Fritz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:54
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)

US2335454A Cited
DE1022796B Cited
US3207732A Cited

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

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