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US4581351A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition of matter containing imidazolidinyl urea and pyrithione and its derivatives

Assignee: Sutton Laboratory Inc
•
Filing: 1984-05-15
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Granted: 1986-04-08
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Expires: 2004-05-15
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Abstract

Abstract A composition of matter comprising a major part of imidazolidinyl urea and a minor part of pyrithione and/or one or more derivatives of pyrithione is disclosed. The composition exhibits synergistic anti-microbial activity.

Inventors

  • 👤 Philip A. Berke
  • 👤 William E. Rosen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 05:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4933; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36; A61K8/494; A61K8/4946; A61Q; A61Q17/00; A61Q17/005; A61Q5/00; A61Q5/02; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/524; A61K2800/59; Y; Y10; Y10S; Y10S424/00; Y10S424/05

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 55 words
A composition for treating microbial contamination by the micro-orgaism C. albicans in a susceptible product comprising an anti-microbial effective amount of about 0.3%, by weight, imidazolidinyl urea and about 0.005%, by weight, of a pyrithione compound selected from the group consisting of pyrithione, alkali salts of pyrithione, heavy metal salts of pyrithione and mixtures thereof.
Claim 2
Dependent Claim 55 words
A composition for treating microbial contamination by the micro-orgaism C. albicans in a susceptible product comprising an anti-microbial effective amount of about 0.3%, by weight, imidazolidinyl urea and about 0.005%, by weight, of a pyrithione compound selected from the group consisting of pyrithione, alkali salts of pyrithione, heavy metal salts of pyrithione and mixtures thereof.
Claim 3
Dependent Claim 12 words
The composition of claim 1, wherein said pyrithione compound is sodium pyrithione.
Claim 4
Dependent Claim 12 words
The composition of claim 1, wherein said pyrithione compound is zinc pyrithione.
Claim 5
Dependent Claim 15 words
The composition of claim 1, 2, or 3, wherein said product is a cosmetic product.
Claim 6
Dependent Claim 15 words
The composition of claim 1, 2, or 3, wherein said product is an agricultural product.
Claim 7
Dependent Claim 14 words
The composition of claim 1, 2, or 3, wherein said product is a foodstuff.
Claim 8
Dependent Claim 18 words
The composition of claim 1, 2, or 3, wherein said product is a pharmaceutical product or a medicament.
Claim 9
Independent Claim 58 words
A method of preserving a product susceptible to microbial cotamination by the micro-organism C. albicans comprising incorporating in said product an anti-microbial effective amount of about 0.3%, by weight, imidazolidinyl urea and about 0.005%, by weight, of a pyrithione compound selected from the group of pyrithione, alkali salts of pyrithione, heavy metal salts of pyrithione and mixtures thereof.
Claim 10
Independent Claim 58 words
A method of preserving a product susceptible to microbial cotamination by the micro-organism C. albicans comprising incorporating in said product an anti-microbial effective amount of about 0.3%, by weight, imidazolidinyl urea and about 0.005%, by weight, of a pyrithione compound selected from the group of pyrithione, alkali salts of pyrithione, heavy metal salts of pyrithione and mixtures thereof.
Claim 11
Dependent Claim 12 words
The method of claim 8, wherein said pyrithione compound is sodium pyrithione.
Claim 12
Dependent Claim 12 words
The method of claim 8, wherein said pyrithione compound is zinc pyrithione.
Claim 13
Dependent Claim 28 words
The method of claim 8, 9, or 10, wherein said product is selected from the group consisting of cosmetic products, agricultural products, foodstuffs and pharmaceutical products and medicaments.

References Cited (Backward Citations)

GB761171A Cited
US2745826A Cited
US3248285A Cited
US4089945A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-04-07 1989-10-07 1990-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-07 1993-10-07 1994-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-07 1997-10-07 1998-04-08 $7700.00 Window Closed / Lapsed

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