US4245039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable clumping factor for the identification of fibrinogen and fibrin cleavage products and process for preparing it
Assignee: Siemens Healthcare Diagnostics GmbH Germany
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Filing: 1976-06-08
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Granted: 1981-01-13
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Expires: 1996-06-08
Abstract
Abstract A homogeneous suspension, in a buffered aqueous solution having a pH of 7.0 to 7.7, of a destroyed microorganism which is positive to the clumping factor, said suspension containing from 3 to 50 percent by weight of at least one polyhydric alcohol soluble therein, is disclosed, as are its manufacture and its use as a reagent for the determination of fibrinogen and for fibrin cleavage products.
Inventors
- 👤 Norbert Heimburger
- 👤 Friedrich Brauns
- 👤 Kurt Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:15
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/56; C12Q1/02; C12Q1/04; C12Q1/14; G; G01; G01N; G01N2333/00; G01N2333/195; G01N2333/305; G01N2333/31; G01N2333/435; G01N2333/745; G01N2333/75; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/882; Y10S435/883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A homogeneous suspension of non-viable Staphylococcus aureus I. J. 7, positive to the clumping factor, in a buffered aqueous solution having a pH from 7.0 to 7.7 and containing from 3 to 50 percent by weight of at least one polyhydric alcohol soluble therein.
Claim 2
Dependent Claim
44 words
A homogeneous suspension of non-viable Staphylococcus aureus I. J. 7, positive to the clumping factor, in a buffered aqueous solution having a pH from 7.0 to 7.7 and containing from 3 to 50 percent by weight of at least one polyhydric alcohol soluble therein.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-13 | 1984-07-14 | 1985-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-13 | 1988-07-14 | 1989-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-13 | 1992-07-14 | 1993-01-13 | $7700.00 | Window Closed / Lapsed |