US4752479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi vitamin and mineral dietary supplement with controlled release bioavailable iron
Assignee: Novartis Corp
•
Filing: 1986-05-27
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Granted: 1988-06-21
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Expires: 2006-05-27
Abstract
Abstract A multi vitamin and mineral dietary supplement composition for oral administration containing, per unit dose, (a) one or more divalent dietary mineral components selected from the group consisting of bioavailable calcium and magnesium, and in the further presence or absence of one or more additional non-ferrous mineral and vitamin components, adapted to be released in the upper gastrointestinal tract, and (b) a bioavailable iron component, present in controlled release form, so adapted so as to be subsequently released in a controlled manner lower in the gastrointestinal tract, and a method of preventing or treating iron deficiency using such compositions.
Inventors
- 👤 Ronald S. Briggs
- 👤 Richard Braun
- 👤 Stephen Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:52
CPC Classifications
A; A23; A23L; A23L33/00; A23L33/10; A23L33/16; A61; A61K; A61K9/00; A61K9/20; A61K9/2072; A61K9/2086; A61K9/209; A61K33/00; A61K33/06; A61K33/24; A61K33/26; A61K9/0012; A61K9/0053; A61P; A61P3/00; A61P3/12; A61P3/14; A23V; A23V2002/00; A23V2250/00; A23V2250/15; A23V2250/156; A23V2250/1578; A23V2250/1592; A23V2250/161
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
92 words
A multimineral dietary supplement composition for oral administration containing, per unit dose, (a) an outer layer having one or more divalent dietary mineral components selected from the group consisting of bioavailable calcium and magnesium, and in the further presence or absence of one or more additional non-ferrous mineral and vitamin components, adapted to be released in the upper gastrointestinal tract, and therein (b) a bioavailable iron core component iron free, present in controlled release form, so adapted so as to be subsequently released in a controlled manner lower in the gastrointestinal tract.
Claim 2
Dependent Claim
92 words
A multimineral dietary supplement composition for oral administration containing, per unit dose, (a) an outer layer having one or more divalent dietary mineral components selected from the group consisting of bioavailable calcium and magnesium, and in the further presence or absence of one or more additional non-ferrous mineral and vitamin components, adapted to be released in the upper gastrointestinal tract, and therein (b) a bioavailable iron core component iron free, present in controlled release form, so adapted so as to be subsequently released in a controlled manner lower in the gastrointestinal tract.
Claim 3
Dependent Claim
17 words
A multimineral composition according to claim 1, wherein the formulation is in the form of a tablet.
Claim 4
Dependent Claim
23 words
A multimineral composition according to claim 1, wherein said tablet also contains a protective film coating surrounding said outer layer of component (b).
Claim 5
Dependent Claim
20 words
A multimineral composition according to claim 2, wherein component (b) contains between about 15 and about 60 mg bioavailable iron.
Claim 6
Dependent Claim
20 words
A multimineral composition according to claim 4 wherein component (a) contains between about 50 and about 200 mg bioavailable calcium.
Claim 7
Dependent Claim
21 words
A multimineral composition according to claim 5, wherein component (a) also contains between about 5 and about 50 mg bioavailable magnesium.
Claim 8
Dependent Claim
18 words
A multimineral composition according to claim 4, wherein the bioavailable iron is in the form of ferrous sulfate.
Claim 9
Dependent Claim
21 words
A multimineral composition according to claim 5, wherein the bioavailable calcium is in the form of calcium carbonate or calcium sulfate.
Claim 10
Dependent Claim
23 words
A multimineral composition according to claim 6, wherein the bioavailable magnesium is in the form of magnesium oxide, magnesium hydroxide or magnesium sulfate.
Claim 11
Dependent Claim
28 words
A multimineral composition according to claim 1, wherein the inner core (b) contains the bioavailable iron component as a ferrous salt dispersed in a plastic or waxy matrix.
Claim 12
Dependent Claim
28 words
A multimineral composition according to claim 10, wherein the plastic or waxy matrix comprises a cellulose ether or cellulose ester film former and a release rate modifying agent.
Claim 13
Dependent Claim
35 words
A multimineral composition according to claim 10 wherein the iron component is designed to be continuously released from the tablet core over a period of about 2 and about 8 hours in the gastrointestinal tract.
Claim 14
Dependent Claim
33 words
A method of preventing or treating iron deficiency in a patient in need of the same, comprising orally administering to said patient two unit doses of the multimineral composition according to claim 6.
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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) | 1991-06-21 | 1991-12-21 | 1992-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-21 | 1995-12-21 | 1996-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-21 | 1999-12-21 | 2000-06-21 | $7700.00 | Window Closed / Lapsed |