US4333957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule and process for the production of a colored gelatin capsule
Assignee: Parke Davis and Co LLC
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Filing: 1980-10-21
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Granted: 1982-06-08
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Expires: 2000-10-21
Abstract
Abstract A capsule and process for the production of a colored gelatin capsule by homogeneously dispersing in the gelatin carminic acid or laccaic acid and ammonium alum and/or potassium alum, and further incorporating titanium dioxide in the gelatin. Preferably, a gelatin capsule in which the amount of carminic acid or laccaic acid is 0.03 to 0.75% by weight and the amount of ammonium alum and/or potassium alum is 0.01 to 0.25% by weight.
Inventors
- 👤 Yakutaro Okajima
- 👤 Keiji Sekigawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:54
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/4883; A23; A23J; A23J3/00; A23J3/04; A23J3/06; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43; A61K9/4816; A61K9/4825
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
38 words
A process for coloring gelatin used for forming gelatin capsules comprising: a. homogeneously dispersing carminic acid or laccaic acid and ammonium alum and/or potassium alum in the gelatin, and b. forming gelatin capsules from the resulting gelatin dispersion.
Claim 2
Dependent Claim
38 words
A process for coloring gelatin used for forming gelatin capsules comprising: a. homogeneously dispersing carminic acid or laccaic acid and ammonium alum and/or potassium alum in the gelatin, and b. forming gelatin capsules from the resulting gelatin dispersion.
Claim 3
Dependent Claim
37 words
A gelatin capsule made by the process according to claim 1 wherein the amount of carminic acid or laccaic acid is 0.03-0.75% by weight and the amount of ammonium alum and/or potassium alum is 0.01-0.25% by weight.
Claim 4
Dependent Claim
19 words
A process according to claim 1 wherein titanium dioxide is further added to said gelatin dispersion in step a.
Claim 5
Dependent Claim
21 words
A gelatin capsule made by the process according to claim 3 wherein the amount of titanium dioxide is 0.1-3.0% by weight.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-07 | 1985-12-07 | 1986-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-07 | 1989-12-07 | 1990-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-07 | 1993-12-07 | 1994-06-08 | $7700.00 | Window Closed / Lapsed |