US4446131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled temperature process for manufacturing of improved stabilized aloe vera
Assignee: ALOE VEA OF AMERICA Inc
•
Filing: 1982-06-09
•
Granted: 1984-05-01
•
Expires: 2002-06-09
Abstract
Abstract A controlled temperature process for stabilizing aloe vera gel and the resulting gel which exhibits improved shelf life. The process including the steps of heating the aloe vera gel to a temperature in the range of from about 35° C. to about 70° C., admixing therewith stabilizing ingredients, cooling the admixed gel to ambient temperature in less than an hour.
Inventors
- 👤 Rex G. Maughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:58
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/18; A61K36/88; A61K36/886
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
A process for stabilizing a clear gel which has been separated from the leaf of aloe vera comprising: (a) heating said aloe vera gel to a temperature in the range of from about 35° C. to about 70° C.; (b) adding to said heated aloe vera gel ascorbic acid in an amount from about 0.05% to 0.5% based on the weight of said gel; (c) maintaining the admixed aloe vera gel and ascorbic acid at a temperature in the range of from about 35° C. to about 70° C. for a sufficient period of time to kill bacteria; and (d) cooling the aloe vera gel to ambient temperature or lower in less than one hour.
Claim 2
Dependent Claim
115 words
A process for stabilizing a clear gel which has been separated from the leaf of aloe vera comprising: (a) heating said aloe vera gel to a temperature in the range of from about 35° C. to about 70° C.; (b) adding to said heated aloe vera gel ascorbic acid in an amount from about 0.05% to 0.5% based on the weight of said gel; (c) maintaining the admixed aloe vera gel and ascorbic acid at a temperature in the range of from about 35° C. to about 70° C. for a sufficient period of time to kill bacteria; and (d) cooling the aloe vera gel to ambient temperature or lower in less than one hour.
Claim 3
Dependent Claim
18 words
The process of claim 1 wherein the gel in step (a) is heated for more than 10 minutes.
Claim 4
Dependent Claim
130 words
A process for stabilizing a clear gel which has been separated from the leaf of aloe vera comprising: (a) heating said aloe vera gel to a temperature in the range of from about 35° C. to about 70° C.; (b) admixing with the heated gel the following: ______________________________________
Ingredient % Based On Weight Of Gel
______________________________________
(i) citric acid 0.01 to about 0.5
(ii) sorbitol powder
1.0 to about 6.0
(iii) sodium benzoate
0.05 to about 0.5
(iv) cetyl alcohol
0.001 to about 0.05
(v) tocopherol 0.006 to about 0.01
(vi) ascorbic acid
0.05% to about 0.5%
______________________________________ (c) heating said gel for a period of time sufficient to kill said bacteria; and (d) cooling the heated and admixed gel to ambient temperature or lower in less than one hour.
Claim 5
Dependent Claim
130 words
A process for stabilizing a clear gel which has been separated from the leaf of aloe vera comprising: (a) heating said aloe vera gel to a temperature in the range of from about 35° C. to about 70° C.; (b) admixing with the heated gel the following: ______________________________________
Ingredient % Based On Weight Of Gel
______________________________________
(i) citric acid 0.01 to about 0.5
(ii) sorbitol powder
1.0 to about 6.0
(iii) sodium benzoate
0.05 to about 0.5
(iv) cetyl alcohol
0.001 to about 0.05
(v) tocopherol 0.006 to about 0.01
(vi) ascorbic acid
0.05% to about 0.5%
______________________________________ (c) heating said gel for a period of time sufficient to kill said bacteria; and (d) cooling the heated and admixed gel to ambient temperature or lower in less than one hour.
Claim 6
Dependent Claim
21 words
The process of claim 3 wherein said heated and admixed gel is heated to about 49° C. for about 10 minutes.
Claim 7
Dependent Claim
28 words
The process of claim 3 wherein said tocopherol is selected from the group consisting of Vitamin E, alpha tocopherol, beta tocopherol, gamma tocopherol, delta tocopherol and mixtures thereof.
Claim 8
Dependent Claim
9 words
The product produced by the process of claim 1.
Claim 9
Dependent Claim
9 words
The product produced by the process of claim 3.
Claim 10
Dependent Claim
9 words
The product produced by the process of claim 4.
References Cited (Backward Citations)
US4178372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-01 | 1987-10-31 | 1988-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-01 | 1991-10-31 | 1992-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-01 | 1995-10-31 | 1996-05-01 | $7700.00 | Window Closed / Lapsed |