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US2935518A Expired / Lapsed US ⏱️ 0.0 years remaining

Reaction products of tetrahalogenated quinoid compounds and trisecondary alkyl phosphites and process of making same

Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-09-12
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Granted: 1960-05-03
•
Expires: 1978-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Reetz Theodor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 05:49
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4018; C07F9/4025; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2608

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 4 words
COMPOUNDS OF THE STRUCTURE
Claim 2
Dependent Claim 4 words
COMPOUNDS OF THE STRUCTURE

References Cited (Backward Citations)

CA503085A Cited
US2609376A Cited
US2553417A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-05-03 1963-11-02 1964-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-05-03 1967-11-02 1968-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-05-03 1971-11-02 1972-05-03 $7700.00 Window Closed / Lapsed

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