Patent US3818089A successfully refreshed from Google Patents.
US3818089A
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US
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Fat absorption indicator for the digestive tract
Assignee: University of Guelph
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Filing: 1971-01-18
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Granted: 1974-06-18
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Expires: 1991-01-18
Abstract
Abstract As a fat absorption indicator for determining fat absorption during its passage through the digestive tract, a fully etherified, fat soluble, polyalkyl polyol, particularly trialkyl glyceryl ethers, and preferably tridodecylglyceryl ether, is administered in a dietary feed composition containing a fat.
Inventors
- 👤 H Bayley
- 👤 W Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:31
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07D; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/200833
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
21 words
The composition of claim 1 in which the ether is present in an amount up to 1% by weight of fat.
Claim 2
Dependent Claim
81 words
In the determination of the fat absorption of at least a portion of the digestive tract of an animal which comprises feeding to the animal a dietary feed composition containing a fat and a fat absorption indicator and determining the residual fat content of the feed from that portion of the digestive tract, the improvement in which the indicator administered or employed is tridodecylglyceryl ether present in said feed composition in an amount up to about 5% by weight of fat.
Claim 3
Dependent Claim
18 words
The method of claim 3 in which the residual fat content of the feces is determined. the indicator
Claim 4
Dependent Claim
23 words
The method of claim 3 in which the residual fat content of the ingestor from the stomach, jejunum, ileum or colon is determined.
Claim 5
Dependent Claim
21 words
The method of claim 3 in which the ether is present in an amount up to 1% by weight of fat.
Claim 6
Dependent Claim
12 words
The method of claim 3 in which the animal is a human.
Claim 7
Dependent Claim
13 words
The method of claim 3 in which the animal is a non-human mammal.
Claim 8
Dependent Claim
12 words
The method of claim 3 in which the animal is an avian.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |