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US3862151A Expired / Lapsed US ⏱️ 0.0 years remaining

Mercapto quinoline n-oxides and their use in combatting dandruff

Assignee: Novartis Corp
•
Filing: 1973-01-22
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Granted: 1975-01-21
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Expires: 1993-01-22
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Abstract

Abstract Novel compounds having the structural formula in tautomeric form: AND METAL SALTS AND COMPLEXES THEREOF WHEREIN R1 and R2 are hydrogen, alkyl, cycloalkyl, aryl, alkylthio, halogen, nitro, trifluoromethyl or alkoxy; x is an integer from 1 to 4 and y is an integer from 1 to 2. The invention also includes anti-dandruff shampoos containing the above metal salts and complexes and to a method of combatting dandruff comprising applying to the hair and scalp a detergent composition containing the above metal complexes.

Inventors

  • 👤 Thomas E Furia
  • 👤 David H Steinberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:58
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4933; A61Q; A61Q5/00; A61Q5/006; C; C07; C07D; C07D215/00; C07D215/58; C07D215/60

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMULA IN TAUTOMERIC FORM:
Claim 2
Dependent Claim 17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMULA IN TAUTOMERIC FORM:
Claim 3
Dependent Claim 13 words
A compound as claimed in claim 1 wherein R1 and R2 are hydrogen.
Claim 4
Dependent Claim 13 words
Metal complexes of a compound having the following structural formula in tautomeric form:
Claim 5
Dependent Claim 13 words
Metal complexes of a compound having the following structural formula in tautomeric form:
Claim 6
Dependent Claim 11 words
A compound according to claim 3 wherein said metal is sodium.

References Cited (Backward Citations)

US2189717A Cited
US2381082A Cited
US3555030A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-01-20 1978-07-22 1979-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-01-20 1982-07-22 1983-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-01-20 1986-07-22 1987-01-21 $7700.00 Window Closed / Lapsed

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