US4276376A
Expired / Lapsed
US
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Creatine kinase control serum
Assignee: Roche Diagnostics GmbH
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Filing: 1979-07-16
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Granted: 1981-06-30
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Expires: 1999-07-16
Abstract
Abstract Control serum containing a defined content of creatine kinase comprising exogeneous creatine kinase in the form of swine serum and optionally additionally comprising human serum, other animal serum or serum albumin; and/or other enzyme substrates and metabolites occurring in serum.
Inventors
- 👤 Dieter Hundt
- 👤 Marianne Sedelmeyer
- 👤 Peter Roschlau
- 👤 Fritz Stahler
- 👤 Wolfgang Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:23
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/48; C12Q1/50
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
39 words
Control serum comprising a base serum selected from the group consisting of human serum, animal serum or serum albumin and also containing a defined activity of creatine kinase, exogeneous to said base serum, in the form of swine serum.
Claim 2
Dependent Claim
39 words
Control serum comprising a base serum selected from the group consisting of human serum, animal serum or serum albumin and also containing a defined activity of creatine kinase, exogeneous to said base serum, in the form of swine serum.
Claim 3
Dependent Claim
14 words
Control serum as claimed in claim 1 wherein said base serum is human serum.
Claim 4
Dependent Claim
16 words
Control serum as claimed in claim 1 wherein said base serum is bovine or horse serum.
Claim 5
Dependent Claim
14 words
Control serum as claimed is claim 1 wherein said base serum is serum albumin.
Claim 6
Dependent Claim
19 words
Control serum as claimed in claim 1 also comprising in said base serum other enzymes occurring in the serum.
Claim 7
Dependent Claim
21 words
Control serum as claimed in claim 1 also comprising in said base serum enzymes, substrates, and metabolites occurring in the serum.
Claim 8
Dependent Claim
28 words
Control serum as claimed in claim 1 comprising one volume part of swine serum contained in 50 to 150 volume parts of a medium for said conrol serum.
Claim 9
Dependent Claim
10 words
Control serum as claimed in claim 1 in lyophilized form.
Claim 10
Dependent Claim
17 words
Control serum as claimed in claim 8 wherein said control serum is reconstituted with an aqueous medium.
References Cited (Backward Citations)
US3639211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-29 | 1984-12-29 | 1985-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-29 | 1988-12-29 | 1989-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-29 | 1992-12-29 | 1993-06-30 | $7700.00 | Window Closed / Lapsed |