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US3793365A Expired / Lapsed US ⏱️ 0.0 years remaining

Amino acid derivatives

Assignee: Roche Diagnostics GmbH
•
Filing: 1970-04-10
•
Granted: 1974-02-19
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Expires: 1990-04-10
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Abstract

Abstract NEW AMINO ACID DERIVATIVES OF THE FORMULA R1-O-CH2-CH(-OH)-CH2-N(-R2)-A-CO-R3 WHEREIN R1 IS ARYL, SUCH AS NAPHTHYL OR PHENYL, WHICH MAY BE SUBSTITUTED BY HALOGEN OR HYDROXYL, ALKOXY, ALKENYL, ALKENYLOXY, ALKYL, ALKOXYALKYL, TRIFLUOROALKYL, ALKYLMERCAPTO, ALKENYLMERCAPTO, AMINO, ALKYLSULFONYLAMINO, OR ACYLAMINO; R1 MAY ALSO BE INDENYL OR HYDROGENATED INDENYL OR HYDROGENATED NAPHTHYL; R2 IS HYDROGEN OR LOWER ALKYL OR ARALKYL; R3 IS HYDROXYL OR AMINO OT ALKOXY, ALKYLAMINO OR DIALKYLAMINO, OR AN N-PIPERAZYL RADICAL, WHICH MAY BE N''-SUBSTITUTED; AND A IS AN ALKYLATED, OR ARYLATED LOWER ALKYLENE CHAIN, WHICH CAN CARRY A FURTHER CARBOXYL OR CARBALKOXY RADICAL; AND THE PHYSIOLOGICALLY COMPATIBLE SALTS THEREOF; ARE OUTSTANDINGLY EFFECTIVE AS B-ADRENERGIC AGENTS.

Inventors

  • 👤 W Winter
  • 👤 M Thiel
  • 👤 K Stach
  • 👤 K Dietmann
  • 👤 W Bartsch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:45
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; A; A41; A41B; A41B3/00; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195; C07C; C07C237/00; C07D265/00; C07D265/28; C07D265/30; C07D265/32

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-02-18 1977-08-20 1978-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-18 1981-08-20 1982-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-18 1985-08-20 1986-02-19 $7700.00 Window Closed / Lapsed

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