Patent US255013A successfully refreshed from Google Patents.
Patent US3293147A successfully refreshed from Google Patents.
US3293147A
Expired / Lapsed
US
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Measuring the presence of enzyme reactions
Assignee: Cornell Research Foundation Inc
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Filing: 1964-08-17
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Granted: 1966-12-20
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Frank V Kosikowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:48
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/42; C12Q2334/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF MEASURING ENZYMES AND ENZYMATIC REACTIONS COMPRISING PLACING IN A DIALYSIS BAG BIOLOGICAL FLUID AND MATERIAL TO BE TESTED, INCLUDING A BUFFER AND A CHEMICAL SUBSTRATE, WHICH IS SUBJECT TO A SPECIFIC TYPE OF ENZYME ACTIVITY UNDER TEST AND WHICH BREAKS DOWN TO A DIALYZABLE PRODUCT, INCUBATING SAID BAG AND CONTENTS WHILE IT IS IMMERSED IN A SOLUTION SO THAT A PRODUCT OF THE SPECIFIC TYPE OF ENZYMATIC ACTIVITY WITHIN THE BAG PASSES THROUGH THE BAG, AND MEASURING THE QUANTITY OF A PRODUCT OF THE SPECIFIC ENZYMATIC ACTIVITY TO PROVIDE AN INDICATION OF THE MAGNITUDE OF THAT ENZYMATIC ACTIVITY.
Claim 2
Independent Claim
101 words
THE METHOD OF MEASURING ENZYMES AND ENZYMATIC REACTIONS COMPRISING PLACING IN A DIALYSIS BAG BIOLOGICAL FLUID AND MATERIAL TO BE TESTED, INCLUDING A BUFFER AND A CHEMICAL SUBSTRATE, WHICH IS SUBJECT TO A SPECIFIC TYPE OF ENZYME ACTIVITY UNDER TEST AND WHICH BREAKS DOWN TO A DIALYZABLE PRODUCT, INCUBATING SAID BAG AND CONTENTS WHILE IT IS IMMERSED IN A SOLUTION SO THAT A PRODUCT OF THE SPECIFIC TYPE OF ENZYMATIC ACTIVITY WITHIN THE BAG PASSES THROUGH THE BAG, AND MEASURING THE QUANTITY OF A PRODUCT OF THE SPECIFIC ENZYMATIC ACTIVITY TO PROVIDE AN INDICATION OF THE MAGNITUDE OF THAT ENZYMATIC ACTIVITY.
References Cited (Backward Citations)
US2995425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |