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US3038938A Expired / Lapsed US ⏱️ 0.0 years remaining

N-phenyl-n-trifluoromethylalkanamides

Assignee: Rohm and Haas Co
•
Filing: 1961-02-15
•
Granted: 1962-06-12
•
Expires: 1981-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Travis E Stevens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:55
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 2 words
N-TRIFLUOROMETHYL-N-(P-NITROPHENYL) BUTYRAMIDE,
Claim 2
Dependent Claim 2 words
N-TRIFLUOROMETHYL-N-(P-NITROPHENYL) BUTYRAMIDE,
Claim 3
Dependent Claim 12 words
A PROCESS FOR THE PREPARATION OF N-SUBSTITUTED-NTRIFLUOROMETHYL ALKANAMIDES OF THE FOLLOWING FORMULA
Claim 4
Dependent Claim 12 words
A PROCESS FOR THE PREPARATION OF N-SUBSTITUTED-NTRIFLUOROMETHYL ALKANAMIDES OF THE FOLLOWING FORMULA

References Cited (Backward Citations)

US2521902A Cited
US2585230A Cited
US2691043A Cited
US2743297A Cited
US2957914A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-11 1965-12-11 1966-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-11 1969-12-11 1970-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-11 1973-12-11 1974-06-12 $7700.00 Window Closed / Lapsed

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