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US3290392A Expired / Lapsed US ⏱️ 0.0 years remaining

Ortho-alkylated phenols

Assignee: Ethyl Corp
•
Filing: 1963-11-12
•
Granted: 1966-12-06
•
Expires: 1983-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 George G Ecke
  • 👤 Alfred J Kolka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:47
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C07; C07C; C07C37/00; C07C37/11; C07C37/14; C07C39/00; C07C39/12; C07C39/15; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C10L1/103; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035; C10L1/30; C10L1/305; C10L1/306; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2227/00; C10M2227/08; C10M2227/082; C10N; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND HAVING THE FORMULA:

References Cited (Backward Citations)

US1580053A Cited
US1951206A Cited
US2028043A Cited
US2394754A Cited
US2247402A Cited
US2931898A Cited
US2836568A Cited
US2923745A Cited
US3048563A Cited
US2980520A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-05 1970-06-06 1970-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-05 1974-06-06 1974-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-05 1978-06-06 1978-12-06 $7700.00 Window Closed / Lapsed

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