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US3288819A Expired / Lapsed US ⏱️ 0.0 years remaining

Zinc salts of glycerol monoester dithiophosphates

Assignee: Standard Oil Co
•
Filing: 1961-10-30
•
Granted: 1966-11-29
•
Expires: 1981-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 George R Tichelaar
  • 👤 Roger W Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:53
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/282; C10M2207/34; C10M2219/00; C10M2219/02; C10M2219/022; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 12 words
AS A COMPOSITION OF MATTER, A SALT HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim 12 words
AS A COMPOSITION OF MATTER, A SALT HAVING THE FOLLOWING STRUCTURAL FORMULA:

References Cited (Backward Citations)

US2848475A Cited
US3013971A Cited
US2892863A Cited
US3018247A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-28 1970-05-30 1970-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-28 1974-05-30 1974-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-28 1978-05-30 1978-11-29 $7700.00 Window Closed / Lapsed

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