Patent US2317847A successfully refreshed from Google Patents.
US2844481A
Expired / Lapsed
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Milk solids compositions and method of making
Assignee: Individual
•
Filing: 1953-05-11
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Granted: 1958-07-22
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Martin F Langworthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:05
CPC Classifications
C; C08; C08L; C08L89/00; C08L89/005; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/832
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
IN A METHOD OF PREPARING VALUABLE PRODUCTS FROM A LIQUID MILK PRODUCT, THE STEPS WHICH COMPRISES ADDING AN AQUEOUS SOLUTION OF SODIUM CARBONATE TO A LIQUID MILK PRODUCT TO RENDER THE LATTER ALKALINE, SEPARATING THE SOLUTION FROM ANY PRECIPITATED SOLIDS, ADMIXING AQUEOUS HYDROCHLORIC ACID WITH SAID SOLUTION TO A PH IN THE RANGE OF REDUCE THE PH OF SAID SOLUTION TO A PH IN THE RANGE OF 0.0 TO 4.0 WHEREBY TO FORM A PRECIPITATE AND WHEREBY ALSO TO FORM A FOAM WHICH RISES TO THE SURFACE, REMOVING SAID FOAM, ALLOWING SAID FOAM TO DRAIN AT LEAST PARTIALLY WHEREBY TO RECOVER THE SOLIDS OF SAID FOAM, AND THEN ADDING AN AQUEOUS SOLUTION OF SODIUM CARBONATE TO SAID RECOVERED SOLIDS FROM SAID FOAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |