Patent US3172816A successfully refreshed from Google Patents.
US3172816A
Expired / Lapsed
US
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Method of increasing the oil solubility of compounds and products thereof
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1963-01-28
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Granted: 1965-03-09
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Swintosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:04
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/12; A61K9/00; A61K9/0012; A61K9/0019; Y; Y10; Y10S; Y10S424/00; Y10S424/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD FOR INCREASING THE SOLUBILITY OF A PROTON ACCEPTOR ORGANIC AMINO MEDICAMENT IN OIL WHICH COMPRISES DISSOLVING AN OIL SOLUBLE ORGANIC CARBOXYLIC ACID HAVING FROM ABOUT 5 TO ABOUT 22 CARBON ATOMS AND SAID PROTON ACCEPTOR IN SAID OIL.
Claim 2
Independent Claim
40 words
A METHOD FOR INCREASING THE SOLUBILITY OF A PROTON ACCEPTOR ORGANIC AMINO MEDICAMENT IN OIL WHICH COMPRISES DISSOLVING AN OIL SOLUBLE ORGANIC CARBOXYLIC ACID HAVING FROM ABOUT 5 TO ABOUT 22 CARBON ATOMS AND SAID PROTON ACCEPTOR IN SAID OIL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |