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US5043441A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions comprising 1-substituted azacycloalkanes

Assignee: Discovery Therapeutics Inc
•
Filing: 1990-01-22
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Granted: 1991-08-27
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Expires: 2010-01-22
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Abstract

Abstract This invention provides compositions comprising a physiologically-active agent and a compound having the structural formula ##STR1## wherein each X, Y and Z may represent oxygen, sulfur or two hydrogen atoms, provided however that, when Z represents two hydrogen atoms, both X and Y represent oxygen or sulfur and when Z represents oxygen or sulfur at least one of X and Y must represent oxygen or sulfur; m is 2-6; R' is H or a lower alkyl group having 1-4 carbon atoms; n is 0-17 and R is --CH 3 , ##STR2## wherein R" is H or halogen in an amount effective to enhance the penetration of the physiologically-active agent through the skin or other membrane of the body of an animal.

Inventors

  • 👤 James V. Peck
  • 👤 Gevork Minaskanian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:45
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; A01N37/00; A01N37/18; A01N37/32; A01N43/00; A01N43/34; A01N43/46; A61; A61K; A61K47/00; A61K47/06; A61K47/22; A61K9/00; A61K9/0012; A61K9/0014; C; C05; C05G; C05G3/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 1 words
1-n-dodecylazacycloheptan-2,7-dione.
Claim 2
Dependent Claim 1 words
1-n-dodecylazacycloheptan-2,7-dione.

References Cited (Backward Citations)

US2915430A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-08-26 1995-02-25 1995-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-08-26 1999-02-25 1999-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-08-26 2003-02-25 2003-08-27 $7700.00 Window Closed / Lapsed

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