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US2952678A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of halogenated phenoxyalkyl substituted amines

Assignee: Rohm and Haas Co
•
Filing: 1956-12-24
•
Granted: 1960-09-13
•
Expires: 1976-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Earl W Lane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 02:22
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/30; C07D265/32

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 9 words
THE PROCESS FOR PREPARING A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 12 words
THE PROCESS OF CLAIM 4 IN WHICH THE HYDROXYALKYLATED AMINE IS N-HYDROXYETHYLMORPHOLINE.

References Cited (Backward Citations)

US1949046A Cited
US2577234A Cited
US2738351A Cited
US2766238A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-09-13 1964-03-14 1964-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-09-13 1968-03-14 1968-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-09-13 1972-03-14 1972-09-13 $7700.00 Window Closed / Lapsed

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