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US3708583A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilized vitamin a additive

Assignee: Vitamin Premixers of Omaha Inc
•
Filing: 1970-04-03
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Granted: 1973-01-02
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Expires: 1990-04-03
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Abstract

Abstract A stabilized vitamin additive is disclosed herein which comprises, in solution, fat-soluble vitamins, an alkyl alcohol wherein the alkyl moiety contains from one to three carbon atoms, and an emulsifier system. By utilizing these components in combination, biological deterioration and degradation of the vitamins during storage is substantially alleviated, the vitamin additive is pourable at low temperatures, and the vitamin additive does not separate, segregate or cream at high or low temperatures.

Inventors

  • 👤 G Thomas
  • 👤 W Winstrom
  • 👤 J Engel
  • 👤 A Sigler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:54
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/14; A61K47/26

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 13 words
The stabilized vitamin additive of claim 1 wherein said alcohol is ethyl alcohol.
Claim 2
Dependent Claim 39 words
The stabilized vitamin additive of claim 2 wherein said emulsifier comprises from about 5 percent to about 35 percent of the vitamin additive and said alcohol comprises from about 25 percent to about 80 percent of the vitamin additive.
Claim 3
Dependent Claim 22 words
The stabilized vitamin additive of claim 3 wherein the nonionic emulsifier has a hydrophile-lipophile balance ranging from about 5 to about 14.

References Cited (Backward Citations)

US2311517A Cited
US3149037A Cited
US3436459A Cited
US3244595A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-02 1976-07-03 1977-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-02 1980-07-03 1981-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-02 1984-07-03 1985-01-02 $7700.00 Window Closed / Lapsed

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