US2764548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dinonylnaphthalene sulfonates and process of producing same
Assignee: King Organic Chemicals Inc
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Filing: 1955-01-25
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Granted: 1956-09-25
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Expires: 1975-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert G King
- 👤 George W Thielcke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:51
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/33; C07C309/34; C07C309/35; C07C309/36; C07C309/37; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |