US3341465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel gel emulsions
Assignee: Drew Chemical Corp
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Filing: 1965-01-14
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Granted: 1967-09-12
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Kaufman
- 👤 Richard J Tkaczuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
CPC Classifications
A; A61; A61Q; A61Q5/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K8/06; A61K8/062; A61K8/18; A61K8/30; A61K8/33; A61K8/37; A61K8/39; A61K8/40; A61K8/42; A61K8/72; A61K8/84; A61K8/86; A61Q19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A CLEAR GEL EMULSION COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF AT LEAST ONE ESTER SELECTED FROM THE GROUP HAVING THE FOLLOWING GENERIC FORMULA:
Claim 2
Dependent Claim
30 words
A CLEAR GEL EMULSION COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 10% TO ABOUT 40% BY WEIGHT OF AT LEAST ONE ESTER SELECTED FROM THE GROUP HAVING THE FOLLOWING GENERIC FORMULA:
References Cited (Backward Citations)
US2976251A
Cited
US3101300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |