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US3108112A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the production of z-methyl-

Assignee: —
•
Filing: —
•
Granted: 1963-10-22
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Expires: 1980-10-22
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:03
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/61

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2422616A Cited
DE713469C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-21 1967-04-22 1967-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-21 1971-04-22 1971-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-21 1975-04-22 1975-10-22 $7700.00 Window Closed / Lapsed

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