US3983232A
Expired / Lapsed
US
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Novel agent for treatment of dehydrations in veterinary medicine, process for preparation and new use thereof
Assignee: Zdravlje Fabrika Farmaceutskih i Hemijskih Proizvoda
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Filing: 1975-02-18
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Granted: 1976-09-28
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Expires: 1995-02-18
Abstract
Abstract An agent for the treatment of dehydrations in animals consisting of solutions of dextran or its hydroxy alkyl derivatives; methods for preparing said agent; and the method of treating dehydration in animals by interperitoneally treating affected animals with said agent.
Inventors
- 👤 Branislav Pekic
- 👤 Vladislav Mladenovic
- 👤 Dragan Cvetkovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
C; C08; C08L; C08L5/00; C08L5/02; A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
25 words
Method for the treatment of dehydrations in an animal which comprises interperitoneally injecting affected animal with solutions of dextran or of hydroxyalkyl derivative of dextran.
Claim 2
Dependent Claim
25 words
Method for the treatment of dehydrations in an animal which comprises interperitoneally injecting affected animal with solutions of dextran or of hydroxyalkyl derivative of dextran.
Claim 3
Dependent Claim
37 words
The method of claim 1 wherein the dextran or hydroxyalkyl derivative of dextran is dissolved in a solution of a member selected from the group consisting of NaCl, KCl, CaCl 2 , lactose, glucose or mixtures thereof.
Claim 4
Dependent Claim
13 words
The method of claim 2 wherein said solution is a physiological salt solution.
Claim 5
Dependent Claim
20 words
The method of claim 1 wherein dextran or hydroxyalkyl derivative of dextran has a molecular weight of 30,000 to 300,000.
Claim 6
Dependent Claim
20 words
The method of claim 1 wherein dextran or hydroxyalkyl derivative of dextran has a molecular weight of 100,000 to 150,000.
Claim 7
Dependent Claim
20 words
The method of claim 1 wherein the concentration of dextran or hydroxyalkyl derivative of dextran is 1 to 15% (w/v).
Claim 8
Dependent Claim
20 words
The method of claim 1 wherein the concentration of dextran or hydroxyalkyl derivative of dextran is 6 to 10% (w/v).
Claim 9
Dependent Claim
20 words
The method of claim 1 wherein the hydroxyalkyl derivative of dextran has a substitution degree of from 0.01 to 0.2.
Claim 10
Dependent Claim
20 words
The method of claim 1 wherein the hydroxyalkyl derivative of dextran has a substitution degree of from 0.015 to 0.025.
Claim 11
Dependent Claim
31 words
The method of claim 1 wherein said hydroxyalkyl derivative of dextran is selected from the group consisting of 2-hydroxyalkyl dextran, 2-hydroxypropyl dextran, 2,3-dihydroxypropyl dextran, 2-hydroxybutyl dextran, 2-hydroxypentyl dextran and mixtures thereof.
Claim 12
Dependent Claim
9 words
The method of claim 1 wherein dextran is employed.
Claim 13
Dependent Claim
12 words
The method of claim 2 wherein hydroxyalkyl derivative of dextran is employed.
Claim 14
Independent Claim
78 words
The method for the treatment of dehydrations in animals which comprises interperitoneally injecting animals affected with dehydration with dextran or hydroxyalkyl derivative of dextran having a substitution degree of from 0.01 to 0.2 and being selected from the group consisting of 2-hydroxyethyl dextran, 2-hydroxypropyl dextran, 2,3-dihydroxypropyl dextran, 2-hydroxybutyl dextran, 2-hydroxypentyl dextran and mixtures thereof; dissolved in physiological salt solutions of a member selected from the group consisting of NaCl, KCl, CaCl 2 , lactose, glucose or mixtures thereof.
Claim 15
Independent Claim
78 words
The method for the treatment of dehydrations in animals which comprises interperitoneally injecting animals affected with dehydration with dextran or hydroxyalkyl derivative of dextran having a substitution degree of from 0.01 to 0.2 and being selected from the group consisting of 2-hydroxyethyl dextran, 2-hydroxypropyl dextran, 2,3-dihydroxypropyl dextran, 2-hydroxybutyl dextran, 2-hydroxypentyl dextran and mixtures thereof; dissolved in physiological salt solutions of a member selected from the group consisting of NaCl, KCl, CaCl 2 , lactose, glucose or mixtures thereof.
Claim 16
Dependent Claim
20 words
The method of claim 13 wherein dextran or hydroxyalkyl derivative of dextran has a molecular weight of 30,000 to 300,000.
Claim 17
Dependent Claim
20 words
The method of claim 13 wherein dextran or hydroxyalkyl derivative of dextran has a molecular weight of 100,000 to 150,000.
Claim 18
Dependent Claim
20 words
The method of claim 13 wherein the concentration of dextran or hydroxyalkyl derivative of dextran is 1 to 15% (w/v).
Claim 19
Dependent Claim
20 words
The method of claim 13 wherein the concentration of dextran or hydroxyalkyl derivative of dextran is 6 to 10% (w/v).
Claim 20
Dependent Claim
20 words
The method of claim 13 wherein the hydroxyalkyl derivative of dextran has a substitution degree of from 0.015 to 0.025.
Claim 21
Dependent Claim
11 words
The method of claim 1 wherein said animal is a pig.
Claim 22
Dependent Claim
11 words
The method of claim 1 wherein said animal is a calf.
Claim 23
Dependent Claim
28 words
The method of claim 1 wherein the amount of said dextran or hydroxyalkyl derivative of dextran is from 4 to 10 ml/kg of body weight of said animal.
References Cited (Backward Citations)
US2988482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |