US2785105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing hog cholera antibody concentrate
Assignee: Armour and Co
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Filing: 1954-01-27
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Granted: 1957-03-12
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Expires: 1974-01-27
Abstract
No abstract record available.
Inventors
- 👤 Roland J Seidel
- 👤 Milton J West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:31
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/08; C07K16/10; C07K16/116; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF PREPARING A HOG CHLOREA ANTIBODY CONCENTRATE FROM A SERUM GLOBULIN FRACTION CONTAINING GAMMA GLOBULINS,BETA GLOBULINS, AND HOG CHLOERA ANTIBODIES, COMPRISING DISSOLVING SAID SERUM GLOBULINE FRACTION IN WATER IN A CONCENTRATION OF FROM 1 TO 10%, ADJUSTING THE PH OF THE SOLUTION TO WITHIN THE RANGE FROM 4.8 TO 6.0, HEATING SAID SOLUTION AT A TEMPERATURE RANGING FROM 40 TO 65*C. UNTIL A COAGULUM HAS FORMED FROM A PORTION OF THE SOLIDS N SAID SOLUTION, AD SEPARATING THE COAGULUM FROM, THE SUPERNATANT SOLUTIN, THEREBY ENHANCING THE CONCENTRATION OF HOG CHLOERA ANTIBODIES IN THE SUPERNATANT SOLUTION RELATIVE TO THE SERUM GLOBULINS REMAINING THEREIN.
Claim 2
Independent Claim
104 words
THE METHOD OF PREPARING A HOG CHLOREA ANTIBODY CONCENTRATE FROM A SERUM GLOBULIN FRACTION CONTAINING GAMMA GLOBULINS,BETA GLOBULINS, AND HOG CHLOERA ANTIBODIES, COMPRISING DISSOLVING SAID SERUM GLOBULINE FRACTION IN WATER IN A CONCENTRATION OF FROM 1 TO 10%, ADJUSTING THE PH OF THE SOLUTION TO WITHIN THE RANGE FROM 4.8 TO 6.0, HEATING SAID SOLUTION AT A TEMPERATURE RANGING FROM 40 TO 65*C. UNTIL A COAGULUM HAS FORMED FROM A PORTION OF THE SOLIDS N SAID SOLUTION, AD SEPARATING THE COAGULUM FROM, THE SUPERNATANT SOLUTIN, THEREBY ENHANCING THE CONCENTRATION OF HOG CHLOERA ANTIBODIES IN THE SUPERNATANT SOLUTION RELATIVE TO THE SERUM GLOBULINS REMAINING THEREIN.
References Cited (Backward Citations)
GB191506604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |