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US3400089A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing bright drying polyethylene dispersions using a potassium salt as the emulsifying agent

Assignee: Hoechst AG
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Filing: 1965-05-10
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Granted: 1968-09-03
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Expires: 1985-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Bestian Herbert
  • 👤 Korbanka Helmut

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 18:50
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/04; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/911

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3244652A Cited
US3296170A Cited
US3352807A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-03 1972-03-04 1972-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-03 1976-03-04 1976-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-03 1980-03-04 1980-09-03 $7700.00 Window Closed / Lapsed

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