US4778676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Confectionery delivery system for actives
Assignee: Warner Lambert Co LLC
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Filing: 1985-12-20
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Granted: 1988-10-18
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Expires: 2005-12-20
Abstract
Abstract A chewable delivery system for actives comprising: (a) an active pre-coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having chain lengths of about 4 carbons or less, glycerides having a melting point of 100 DEG C. or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof; and (b) a confectionery matrix comprising a binder system comprising gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C2-7) ester derivatives; a sweetener; and about 1% to about 30% by weight water.
Inventors
- 👤 Robert K. Yang
- 👤 Shri C. Sharma
- 👤 Shan-Shan Sheu
- 👤 James J. Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:54
CPC Classifications
A; A61; A61K; A61K47/00; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056; A61K9/14; A61K9/16; A61K9/1605; A61K9/1617; A61K9/48; A61K9/50; A61K9/5005; A61K9/5015
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
119 words
A chewable confectionery delivery system for cholestyramine comprising: (a) cholestyramine pre-coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having chain lengths of about 4 carbons or less, glycerides having a melting point of 100° C. or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof; and (b) a confectionery matrix comprising a binder system comprising from about 0.1% to about 5% by weight gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives, a sweetener; and about 1% to about 30% by weight water, all weights are in percent of the final delivery system.
Claim 2
Dependent Claim
119 words
A chewable confectionery delivery system for cholestyramine comprising: (a) cholestyramine pre-coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having chain lengths of about 4 carbons or less, glycerides having a melting point of 100° C. or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof; and (b) a confectionery matrix comprising a binder system comprising from about 0.1% to about 5% by weight gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives, a sweetener; and about 1% to about 30% by weight water, all weights are in percent of the final delivery system.
Claim 3
Dependent Claim
33 words
The delivery system of claim 1 wherein the material used for the pre-coating of the active is present in amounts of about 1 to about 10% by weight of the total delivery system.
Claim 4
Dependent Claim
22 words
The delivery system of claim 1 wherein the ratio of coating to achive is about 1:3 to about 1:8 parts by weight.
Claim 5
Dependent Claim
32 words
The delivery system of claim 1 wherein the material used for the pre-coating of the active is selected from the group consisting of polyoxyethylene, polyoxypropylene, polyoxybutylene, copolymers of these and mixtures thereof.
Claim 6
Dependent Claim
22 words
The delivery system of claim 1 wherein the polyalkyleneglycol is selected from the group consisting of polyethyleneglycol, polypropyleneglycol, polybutyleneglycol and mixtures thereof.
Claim 7
Dependent Claim
27 words
The delivery system of claim 1 wherein the binder system comprises about 0.1 to about 5.0% gelatin and about 0.1 to about 25% of the humectant material.
Claim 8
Dependent Claim
22 words
The delivery system of claim 6 wherein the humectant is selected from the group consisting of glycerine, triacetin, tributyrin and mixtures thereof.
Claim 9
Dependent Claim
15 words
The delivery system of claim 1 wherein there is additionally incorporated a nonionic hydrocolloid gum.
Claim 10
Dependent Claim
24 words
The delivery system of claim 8 wherein the gum is selected from the group consisting of guar gum, locust bean gum, and mixtures thereof.
Claim 11
Dependent Claim
30 words
The delivery system of claim 1 wherein there is additionally included a material selected from the group consisting of pectin, sweeteners, flavorings, colorings, humectants, fillers, emulsifiers thickeners, and mixtures thereof.
Claim 12
Dependent Claim
21 words
A method of treating hypercholesterolemia and related disorders comprising administering a therapeutically effective amount of the delivery system of claim 1.
Claim 13
Independent Claim
142 words
A method of preparing a confectionery delivery system for cholestyramine comprising: (a) pre-coating the cholestyramine with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having a chain length of about 4 carbons or less, glycerides having a melting point of 100° C. or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof, wherein the coating does not interfere with the function or release of the active; and (b) preparing a confectionery matrix comprising the steps of (i) forming a solution of gelatin and a humectant selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives; a sweetener; and about 1% to about 30% by weight water; and (c) admixing mixtures from (a) and (b) together; and (d) forming the resultant delivery system into shapes.
Claim 14
Independent Claim
142 words
A method of preparing a confectionery delivery system for cholestyramine comprising: (a) pre-coating the cholestyramine with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having a chain length of about 4 carbons or less, glycerides having a melting point of 100° C. or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof, wherein the coating does not interfere with the function or release of the active; and (b) preparing a confectionery matrix comprising the steps of (i) forming a solution of gelatin and a humectant selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives; a sweetener; and about 1% to about 30% by weight water; and (c) admixing mixtures from (a) and (b) together; and (d) forming the resultant delivery system into shapes.
Claim 15
Dependent Claim
17 words
The delivery system of claim 1 wherein the pre-coated cholestyramine is present in a pharmaceutically effective amount.
Claim 16
Dependent Claim
20 words
The delivery system of claim 1 wherein the pre-coated cholestyramine comprises about 15 to about 30% of the final product.
Claim 17
Independent Claim
101 words
A method of treating hypercholesterolemia and related disorders comprising administering a therapeutically effect amount of a confectionery delivery system comprising: (a) cholestyramine resin wherein the cholestyramine resin is coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having 4 carbons or less, polyalkyleneglycols having a molecular weight of 3,700 or less and mixtures thereof; and (b) a confectionery matrix comprising a binder system comprising gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives; a sweetener; and about 1% to about 30% by weight water.
Claim 18
Independent Claim
101 words
A method of treating hypercholesterolemia and related disorders comprising administering a therapeutically effect amount of a confectionery delivery system comprising: (a) cholestyramine resin wherein the cholestyramine resin is coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having 4 carbons or less, polyalkyleneglycols having a molecular weight of 3,700 or less and mixtures thereof; and (b) a confectionery matrix comprising a binder system comprising gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C 2-7 ) ester derivatives; a sweetener; and about 1% to about 30% by weight water.
Claim 19
Dependent Claim
27 words
The method of claim 15 wherein the pre-coating is conducted at room temperature and employs one of the following techniques: simple mixing, spray-coating; spray-congealing or fluidized-bed granulation.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |