US2999052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for colorimetric test for serum enzymes
Assignee: Bayer Corp
•
Filing: 1959-03-16
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Granted: 1961-09-05
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Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Harry G Albaum
- 👤 Edward K Harvill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/26; C12Q1/32; Y; Y10; Y10S; Y10S435/00; Y10S435/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COMPOSITION FOR THE DETECTION OF DIPHOSPHOPYRIDINE NUCLEOTIDE LINKED ENZYMES IN BIOLOGICAL FLUIDS WHICH COMPRISES A SUBSTRATE FOR SAID ENZYME, DIPHOSPHOPYRIDINE NUCLEOTIDE, DIAPHORASE, A COLOR INDICATOR HAVING AN OXIDATION-REDUCTION POTENTIAL ABOVE THAT OF THE DIPHOSPHOPYRIDINE NUCLEOTIDE-REDUCED DIPHOSPHOPYRIDINE NUCLEOTIDE SYSTEM AND WHICH IS NOT SUBJECT TO AUTOXIDATION, SAID COMPOSITION BEING BUFFERED TO A PH OF ABOUT 7.
Claim 2
Dependent Claim
56 words
A COMPOSITION FOR THE DETECTION OF DIPHOSPHOPYRIDINE NUCLEOTIDE LINKED ENZYMES IN BIOLOGICAL FLUIDS WHICH COMPRISES A SUBSTRATE FOR SAID ENZYME, DIPHOSPHOPYRIDINE NUCLEOTIDE, DIAPHORASE, A COLOR INDICATOR HAVING AN OXIDATION-REDUCTION POTENTIAL ABOVE THAT OF THE DIPHOSPHOPYRIDINE NUCLEOTIDE-REDUCED DIPHOSPHOPYRIDINE NUCLEOTIDE SYSTEM AND WHICH IS NOT SUBJECT TO AUTOXIDATION, SAID COMPOSITION BEING BUFFERED TO A PH OF ABOUT 7.
References Cited (Backward Citations)
US2359052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |