Device for administering calcium ascorbate
First Claim
Patent Images
1. A dispensing device for the rate controlled delivery of the beneficial agent calcium ascorbate to a biological environment of use, said dispensing device comprising:
- (a) a wall comprising a member selected from the group consisting of a cellulose acylate and cellulose ether, which wall permits the passage of fluid present in the biological environment of use and maintains its physical and chemical integrity in the presence of calcium ascorbate, which wall also surrounds and defines;
(b) a compartment;
(c) a beneficially effective amount of calcium ascorbate in the compartment;
(d) means in the wall communicating with the compartment and the exterior of the dispensing device for delivering the calcium ascorbate to the biological environment of use; and
,(e) wherein, when the dispensing device is in operation in the biological environment of use, the dispensing device delivers the calcium ascorbate to the biological environment with a substantial decrease in irritation of the tissues of the biological environment.
1 Assignment
0 Petitions
Accused Products
Abstract
A dispensing device is disclosed for delivering calcium ascorbate to a biological environment of use over time.
-
Citations
8 Claims
-
1. A dispensing device for the rate controlled delivery of the beneficial agent calcium ascorbate to a biological environment of use, said dispensing device comprising:
-
(a) a wall comprising a member selected from the group consisting of a cellulose acylate and cellulose ether, which wall permits the passage of fluid present in the biological environment of use and maintains its physical and chemical integrity in the presence of calcium ascorbate, which wall also surrounds and defines; (b) a compartment; (c) a beneficially effective amount of calcium ascorbate in the compartment; (d) means in the wall communicating with the compartment and the exterior of the dispensing device for delivering the calcium ascorbate to the biological environment of use; and
,(e) wherein, when the dispensing device is in operation in the biological environment of use, the dispensing device delivers the calcium ascorbate to the biological environment with a substantial decrease in irritation of the tissues of the biological environment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A dispensing device for the rate controlled delivery of use beneficial agent calcium ascorbate to a biological environment of use, said dispensing device comprising:
-
(a) a wall comprising a member selected from the group consisting of a cellulose acylate and cellulose ether, which wall permits the passage of fluid present in the biological environment of use and maintains its physical and chemical integrity in the presence of calcium ascorbate, said wall surrounding and defining; (b) a compartment; (c) a composition of matter in the compartment, which composition comprises from 1 mg to 1500 mg of the following members;
75% to 95% calcium ascorbate, 0% to 5% polyvinyl pyrrolidone, 0% to 5% magnesium stearate, 0% to 5% stearic acid, 0% to 5% sodium carboxymethylcellulose, and 0% to 5% silicon dioxide, with the total percentage of all members 100;(d) means in the wall communicating with the compartment and the exterior of the dispensing device for delivering the calcium ascorbate to the biological environment of use; and
,(e) wherein, when the dispensing device is in operation in the biological environment of use, the dispensing device delivers the calcium ascorbate to the biological environment of use.
-
Specification