Gelatin spray coating
First Claim
Patent Images
1. A tablet comprising:
- a. a subcoated tablet core containing active medicinal or nutritional ingredients; and
b. a continuous gelatin coating on the subcoated tablet core which coating is composed of gelatin, a surfactant; and
a drying agent wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate.
1 Assignment
0 Petitions
Accused Products
Abstract
This invention provides a coating composition in which the principal film former is gelatin for use in coating tablets. The gelatin coating may be used with tablets, with or without any subcoating, and may be applied using conventional equipment. For a subcoated tablet, the coating formulation contains gelatin, a surfactant and a drying agent.
14 Citations
19 Claims
-
1. A tablet comprising:
-
a. a subcoated tablet core containing active medicinal or nutritional ingredients; and b. a continuous gelatin coating on the subcoated tablet core which coating is composed of gelatin, a surfactant; and
a drying agent wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate.
-
-
2. A tablet comprising:
-
a. a raw tablet core containing active medicinal or nutritional ingredients; and b. a continuous gelatin coating on the tablet core which coating is composed of gelatin, a surfactant, a drying agent and a plasticizer wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate.
-
-
3. A tablet coating composition comprising:
-
a. gelatin; b. a surfactant; and c. a drying agent wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A coating composition comprising:
-
a. from about 5 to about 25% by weight of gelatin; b. a surfactant; c. a drying agent selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate; d. a plasticizer; e. a leveling agent; and f. water. - View Dependent Claims (15, 16)
-
-
17. A method of film coating a tablet core, comprising:
-
a. spray coating a tablet core with a coating composition containing gelatin, a surfactant, and a drying agent; and b. drying the gelatin coated tablet cores wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate.
-
-
18. A method of coating a tablet core, comprising the steps of:
-
a) forming a water based composition by mixing water, gelatin, a surfactant and a drying agent; and b) spraying and drying the water based coating composition on a tablet core to form a continuous coating using equipment wherein the drying agent is selected from the group consisting of sodium sulfate, magnesium sulfate and potassium sulfate. - View Dependent Claims (19)
-
Specification