US3069330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of determining glutamic-oxal-acetic transaminase and composition therefor
Assignee: Warner Lambert Co LLC
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Filing: 1960-08-30
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Granted: 1962-12-18
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Babson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/48; C12Q1/52; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SUBSTRATE FOR USE IN THE MEASURMENT OF THE CONCENTRATION IN A BODY FLUID OF THE ENZYME GLUTAMIC-OXALACETRIC TRANSMINASE WHICH COMPRISES L-ASPARTIC ACID, AKETOGLUTARIC ACID, A BUFFER ADAPTED TO MAINTAIN THE PH IN SAID BODY FLUID DURING THE MEASUREMENT BETWEEN ABOUT 6.5 AND ABOUT 8 AND A COLOR FORMING AZONIUM SALT WHICH COUPLE WITH OXALACETIC AT A PH BETWEEN ABOUT 6.5 AND ABOUT 8 TO FORM A COLORED COUPLING PRODUCT.
Claim 2
Dependent Claim
70 words
A SUBSTRATE FOR USE IN THE MEASURMENT OF THE CONCENTRATION IN A BODY FLUID OF THE ENZYME GLUTAMIC-OXALACETRIC TRANSMINASE WHICH COMPRISES L-ASPARTIC ACID, AKETOGLUTARIC ACID, A BUFFER ADAPTED TO MAINTAIN THE PH IN SAID BODY FLUID DURING THE MEASUREMENT BETWEEN ABOUT 6.5 AND ABOUT 8 AND A COLOR FORMING AZONIUM SALT WHICH COUPLE WITH OXALACETIC AT A PH BETWEEN ABOUT 6.5 AND ABOUT 8 TO FORM A COLORED COUPLING PRODUCT.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |