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US2686198A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroxy alkyl ethers of vanillic acid and esters thereof

Assignee: Rayonier Inc
•
Filing: 1951-07-24
•
Granted: 1954-08-10
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Expires: 1971-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 Louis H Bock

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:01
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/664; C07; C07C; C07C65/00; C07C65/21

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 7 words
THE NEW COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim 7 words
THE NEW COMPOUNDS REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

US2198583A Cited
US2350326A Cited
US2483099A Cited
US2579759A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-08-09 1958-02-08 1958-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-08-09 1962-02-08 1962-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-08-09 1966-02-08 1966-08-10 $7700.00 Window Closed / Lapsed

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