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US4005984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic composition and method of using the same
Assignee: Individual
•
Filing: 1976-02-17
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Granted: 1977-02-01
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Expires: 1996-02-17
Abstract
Abstract A diagnostic composition comprising a mixture of a lubricant and chemical reagents for the detection of occult blood components in stools is inserted through the anus into the rectum and removed, whereby there is carried with the composition a specimen of stool.
Inventors
- 👤 Reese Fell Alsop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:00
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/72; G01N33/721; G01N33/725; Y; Y10; Y10S; Y10S436/00; Y10S436/904
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
41 words
A diagnostic composition for the detection of occult blood in stools consisting essentially of an intimate mixture of chemical reagents selected from the group consisting of guaiac, glacial acetic acid, hydrogen peroxide, barium peroxide, benzidine dihydrochloride, and o-tolidine and a lubricant.
Claim 2
Dependent Claim
41 words
A diagnostic composition for the detection of occult blood in stools consisting essentially of an intimate mixture of chemical reagents selected from the group consisting of guaiac, glacial acetic acid, hydrogen peroxide, barium peroxide, benzidine dihydrochloride, and o-tolidine and a lubricant.
Claim 3
Dependent Claim
14 words
A diagnostic composition according to claim 1 in which the lubricant is petroleum jelly.
Claim 4
Dependent Claim
23 words
A diagnostic composition according to claim 1, in which the chemical reagents are a mixture of guaiac, hydrogen peroxide and glacial acetic acid.
Claim 5
Dependent Claim
20 words
A diagnostic composition according to claim 1, in which the chemical reagents are a mixture of guaiac and barium peroxide.
Claim 6
Dependent Claim
20 words
A diagnostic composition according to claim 1, in which the chemical reagents are a combination of o-tolidine and hydrogen peroxide.
Claim 7
Dependent Claim
27 words
A diagnostic composition according to claim 1, in which the chemical reagents are a saturated solution of benzidine dihydrochloride in a saturated solution of glacial acetic acid.
Claim 8
Dependent Claim
32 words
A method of detecting occult blood in stools, comprising inserting the composition according to claim 1 through the anus into the rectum and removing the composition carrying therewith a specimen of stool.
Claim 9
Dependent Claim
32 words
A method of detecting occult blood in stools, comprising inserting the composition according to claim 2 through the anus into the rectum and removing the composition carrying therewith a specimen of stool.
Claim 10
Dependent Claim
32 words
A method of detecting occult blood in stools, comprising inserting the composition according to claim 6 through the anus into the rectum and removing the composition carrying therewith a specimen of stool.
References Cited (Backward Citations)
GB1018563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-01 | 1980-08-02 | 1981-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-01 | 1984-08-02 | 1985-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-01 | 1988-08-02 | 1989-02-01 | $7700.00 | Window Closed / Lapsed |