US4146653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing dragees
Assignee: Arcana Chem-Pharm Fabrik GmbH
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Filing: 1977-08-10
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Granted: 1979-03-27
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Expires: 1997-08-10
Abstract
Abstract A dense dragee surface layer is provided by coating the dragee at 85°-90° C. with a melt of xylitol and sorbitol in a weight ratio of 9:1 to 1:1.
Inventors
- 👤 Helmut Mader
- 👤 Johann Hopfgartner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5073; A61K9/5078; A23; A23G; A23G3/00; A23G3/34; A23G3/343; A61K9/20; A61K9/28; A61K9/2806; A61K9/282; A61K9/2826; A61K9/5005; A61K9/5015; A23G2200/00; A23G2200/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
48 words
In a process of manufacturing dragees for peroral administration of medicaments, by coating the medicament-containing dragee cores with a dense coating, the improvement wherein the dragee cores are coated at a temperature at about 80°-90° C. with a melt consisting essentially of a mixture of xylitol and sorbitol.
Claim 2
Dependent Claim
48 words
In a process of manufacturing dragees for peroral administration of medicaments, by coating the medicament-containing dragee cores with a dense coating, the improvement wherein the dragee cores are coated at a temperature at about 80°-90° C. with a melt consisting essentially of a mixture of xylitol and sorbitol.
Claim 3
Dependent Claim
24 words
A process as in claim 1, wherein there is used a mixture of xylitol and sorbitol in a weight ratio of 9:1 to 1:1.
Claim 4
Dependent Claim
23 words
A process as in claim 2, wherein the melt of xylitol and sorbitol contains up to 5% water and up to 0.5% polyglycol.
Claim 5
Dependent Claim
20 words
A process as in claim 1 for manufacturing micro-dragee cores containing α-keto acids, α-hydroxy acids, amino acids or mixture thereof.
Claim 6
Dependent Claim
19 words
A process as in claim 2 wherein said mixture comprises 7.2 parts of xylitol per 2.8 parts of sorbitol.
References Cited (Backward Citations)
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US3556814A
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US3914434A
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US3882228A
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US3779783A
Cited
US3991225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |