US3882224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reagents and tests for syphilis
Assignee: IL Holding Spa
•
Filing: 1973-09-11
•
Granted: 1975-05-06
•
Expires: 1993-09-11
Abstract
Abstract An antigen preparation for use in the detection of syphilis and other treponemal diseases comprising an antigen reagent and a class of dyes and a method of using said antigen preparation, are disclosed.
Inventors
- 👤 Peter Salvatore Forgione
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/569; G01N33/571; G01N33/531; G01N33/532; Y; Y10; Y10S; Y10S436/00; Y10S436/805
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
6 words
A TEST SERUM OR PLASMA AND
Claim 2
Dependent Claim
6 words
A TEST SERUM OR PLASMA AND
Claim 3
Dependent Claim
35 words
AN ANTIGEN PREPARATION FOR USE IN CARRYING OUT AN AGGLUTINATION TEST FOR SYPHILIS WHICH COMPRISES A. 0.1-25 PERCENT BY WEIGHT OF A SYPHILIS ANTIGEN REAGENT, B. 0.0001-0.2 PERCENT BY WEIGHT OF A DYE COMPOUND COMPRISING
Claim 4
Dependent Claim
35 words
AN ANTIGEN PREPARATION FOR USE IN CARRYING OUT AN AGGLUTINATION TEST FOR SYPHILIS WHICH COMPRISES A. 0.1-25 PERCENT BY WEIGHT OF A SYPHILIS ANTIGEN REAGENT, B. 0.0001-0.2 PERCENT BY WEIGHT OF A DYE COMPOUND COMPRISING
Claim 5
Dependent Claim
25 words
AN ANTIGEN PREPARATION COMPRISING A. 0.1-25 PERCENT BY WEIGHT OF A SYPHILIS ANTIGEN REAGENT AND B. 0.0001-0.2 PERCENT BY WEIGHT OF A DYE COMPOUND COMPRISING
Claim 6
Dependent Claim
25 words
AN ANTIGEN PREPARATION COMPRISING A. 0.1-25 PERCENT BY WEIGHT OF A SYPHILIS ANTIGEN REAGENT AND B. 0.0001-0.2 PERCENT BY WEIGHT OF A DYE COMPOUND COMPRISING
Claim 7
Dependent Claim
13 words
The antigen preparation of claim 1 wherein said dye compound has the formula
Claim 8
Dependent Claim
25 words
an antigen preparation comprising a. 0.1-25 percent by weight of a syphilis antigen reagent and b. 0.0001-0.2 percent by weight of a dye compound compriSing
Claim 9
Dependent Claim
25 words
an antigen preparation comprising a. 0.1-25 percent by weight of a syphilis antigen reagent and b. 0.0001-0.2 percent by weight of a dye compound compriSing
Claim 10
Dependent Claim
13 words
The antigen preparation of claim 1 wherein said dye compound has the formula
Claim 11
Dependent Claim
13 words
The antigen preparation of claim 1 wherein said dye compound has the formula
Claim 12
Independent Claim
34 words
A METHOD FOR CARRYING OUT AN AGGLUTINATION TEST FOR SYPHILIS ON A TEST CARD HAVING DRIED THEREON A TEST SPOT CONTAINING A FLOCCULATING AMOUNT OF POLYVINYLIMIDAZOLINE SAID METHOD COMPRISING CONTACTING SAID TEST SPOT WITH
Claim 13
Independent Claim
34 words
A METHOD FOR CARRYING OUT AN AGGLUTINATION TEST FOR SYPHILIS ON A TEST CARD HAVING DRIED THEREON A TEST SPOT CONTAINING A FLOCCULATING AMOUNT OF POLYVINYLIMIDAZOLINE SAID METHOD COMPRISING CONTACTING SAID TEST SPOT WITH
Claim 14
Dependent Claim
12 words
The method of claim 5 wherein said dye compound has the formula
Claim 15
Dependent Claim
12 words
The method of claim 5 wherein said dye compound has the formula
Claim 16
Dependent Claim
12 words
The method of claim 5 wherein said dye compound has the formula
Claim 17
Dependent Claim
25 words
A method for carrying out an agglutination test for syphilis which comprises mixing a test serum or plasma with the antigen preparation of claim 1.
References Cited (Backward Citations)
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Cited
US2111976A
Cited
US2301717A
Cited
US2770572A
Cited
US3074853A
Cited
US3689632A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |