Patent US3936819A successfully refreshed from Google Patents.
US2583576A
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Clear aqueous solutions of oleaginous compositions
Assignee: Wyeth LLC
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Filing: 1948-12-11
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Granted: 1952-01-29
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Expires: 1968-12-11
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kern
- 👤 Antoshkiw Thomas
- 👤 Michael R Maiese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:53
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0043; A61K31/00; A61K31/59; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/26; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A COMPOSITION OF MATTER COMPRISING A CLEAR SOLUTION OF A GLYCERIDE OIL, SORBITAN MONOOLEATE (ETHYLENE OXIDE) 20, GLYCEROL AND WATER WHEREIN FOR EACH PART BY WEIGHT OF OIL THERE IS PRESENT 11 PARTS COMBINED WEIGHT OF GLYCEROL AND WATER, THERE BEING NOT LESS THAN 0.1 AND NOT MORE THAN ABOUT 9 PARTS BY WEIGHT OF GLYCEROL IN THE COMPOSITION WHILE THE AMOUNT OF PARTIAL ESTER MAY BE CALCULATED FROM THE FORMULA S=M+K (9-G) WHEREIN S ANG G STAND FOR THE PARTS BY WEIGHT OF PARTIAL ESTER AND GLYCEROL RESPECTIVELY WHILE M STANDS FOR THE MINIMUM AMOUNT OF PARTIAL ESTER THAT MAY BE USED WITH THE MAXIMUM AMOUNT OF GLYCEROL PERMITTED IN THE COMPOSITIONS AND K IS A VALUE EQUAL TO THE OPERABLE AMOUNT IN PARTS BY WEIGHT OF PARTIAL ESTER PERMITTED IN THE COMPOSITION DIVIDED BY THE OPERABLE AMOUNT IN PARTS BY WEIGHT OF GLYCEROL PERMITTED IN THE COMPOSITION.
Claim 2
Dependent Claim
149 words
A COMPOSITION OF MATTER COMPRISING A CLEAR SOLUTION OF A GLYCERIDE OIL, SORBITAN MONOOLEATE (ETHYLENE OXIDE) 20, GLYCEROL AND WATER WHEREIN FOR EACH PART BY WEIGHT OF OIL THERE IS PRESENT 11 PARTS COMBINED WEIGHT OF GLYCEROL AND WATER, THERE BEING NOT LESS THAN 0.1 AND NOT MORE THAN ABOUT 9 PARTS BY WEIGHT OF GLYCEROL IN THE COMPOSITION WHILE THE AMOUNT OF PARTIAL ESTER MAY BE CALCULATED FROM THE FORMULA S=M+K (9-G) WHEREIN S ANG G STAND FOR THE PARTS BY WEIGHT OF PARTIAL ESTER AND GLYCEROL RESPECTIVELY WHILE M STANDS FOR THE MINIMUM AMOUNT OF PARTIAL ESTER THAT MAY BE USED WITH THE MAXIMUM AMOUNT OF GLYCEROL PERMITTED IN THE COMPOSITIONS AND K IS A VALUE EQUAL TO THE OPERABLE AMOUNT IN PARTS BY WEIGHT OF PARTIAL ESTER PERMITTED IN THE COMPOSITION DIVIDED BY THE OPERABLE AMOUNT IN PARTS BY WEIGHT OF GLYCEROL PERMITTED IN THE COMPOSITION.
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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |