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US3576874A Expired / Lapsed US ⏱️ 0.0 years remaining

2,2'''-((4,4 - diphenyl-3-buten- and - butylidene) bis (rho-phenyleneoxy))bis triethylamines

Assignee: ER Squibb and Sons LLC
•
Filing: 1967-09-27
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Granted: 1971-04-27
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Expires: 1987-09-27
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Abstract

Abstract A COMPOUND OF THE FORMULA: (R5)2-N-LOWER ALKYLENE-O-(2,6-DI(R-)-1,4-PHENYLENE)2- C(-LOWER ALKYL)-(CH2)N-P WHEREIN P REPRESENTS A RADICAL OF THE GROUP CONSISTING OF: -CH2-C(-R2)(-R3)-R4 AND -CH=C(-R3)-R4 EACH R IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, HYDROXY, NITRO, LOWER ALKYL, LOWER ALKOXY, LOWER ALKANOYL, HALO AND DILOWERALKYLAMINO-LOWER ALKYLENE; R2 IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN AND HYDROXY; R3 IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKENYL, LOWER ALKYNYL, (R)M-PHENYL, (R)MNAPHTHYL, (R)M-PHENYL-LOWER ALKYL, (R)M-NAPHTHYL-LOWER ALKYL, CYCLOALKYL OF 3 TO 7 CARBON ATOMS, AND CYCLOALKYLLOWER ALKYL, WHEREIN THE CYCLOALKYL HAS 3 TO 7 CARBON ATOMS; R4 IS A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKENYL, LOWER ALKYNYL, (R)M-PHENYL, (R)MNAPHTHYL, (R)M-PHENYL-LOWER ALKYL (R)M-NAPHTHYL-LOWER ALKYL, CYCLOALKYL OF 3 TO 7 CARBON ATOMS, AND CYCLOALKYLLOWER ALKYL, WHEREIN THE CYCLOALKYL HAS 3 TO 7 CARBON ATOMS; EACH R5 IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, HYDROXY-LOWER ALKYL, AND PHENYLLOWER ALKYL; M IS AN INTEGER FROM 0 TO 3; AND N IS AN INTEGER FROM 1 TO 5; AND ACID-ADDITION SALTS THEREOF, THE AFORESAID COMPOUND INHIBITS CHOLESTEROL BIOSYNTHESIS.

Inventors

  • 👤 Josef Fried
  • 👤 Edward Joseph Pribyl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:20
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088

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) 1974-04-26 1974-10-26 1975-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-26 1978-10-26 1979-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-26 1982-10-26 1983-04-27 $7700.00 Window Closed / Lapsed

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