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US2371429A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain water-soluble high molal oxyalkylated esters, and method of making same

Assignee: Baker Petrolite LLC
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Filing: 1943-03-09
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Granted: 1945-03-13
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Expires: 1963-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Groote Melvin De
  • 👤 Keiser Bernhard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:24
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-03-12 1948-09-11 1949-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-03-12 1952-09-11 1953-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-03-12 1956-09-11 1957-03-13 $7700.00 Window Closed / Lapsed

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