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US3108997A Expired / Lapsed US ⏱️ 0.0 years remaining

Morpholino lower alkanoyl xylidides and toluidides

Assignee: AstraZeneca AB
•
Filing: 1958-10-28
•
Granted: 1963-10-29
•
Expires: 1978-10-28
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Abstract

No abstract record available.

Inventors

  • 👤 Dahlbom Johan Richard
  • 👤 Lofgren Nils Magnus
  • 👤 Tegner Claes Philip
  • 👤 Wiedling Sigfrid Esaias Sten
  • 👤 Truant Aldo Peter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:02
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07D295/145; C07D295/15

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 13 words
A MEMBER OF THE CLASS CONSISTING OF (A) AN AMIDE HAVING THE FORMULA
Claim 2
Dependent Claim 13 words
A MEMBER OF THE CLASS CONSISTING OF (A) AN AMIDE HAVING THE FORMULA
Claim 3
Dependent Claim 8 words
A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF MORPHOLINOBUTYLYRYL-2,6-ZYLIDIDE.
Claim 4
Dependent Claim 8 words
A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF MORPHOLINOBUTYLYRYL-2,6-ZYLIDIDE.

References Cited (Backward Citations)

US1830313A Cited
US1928346A Cited
GB634072A Cited
GB634073A Cited
US2575041A Cited
US2823209A Cited
GB726864A Cited
US2704284A Cited
US2912460A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-28 1967-04-29 1967-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-28 1971-04-29 1971-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-28 1975-04-29 1975-10-29 $7700.00 Window Closed / Lapsed

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