Patent US3749744A successfully refreshed from Google Patents.
US3749744A
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US
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Oxo-substituted alpha,beta-unsaturated alkylated fatty acids and esters
Assignee: Zoecon Corp
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Filing: 1970-10-07
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Granted: 1973-07-31
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Expires: 1990-10-07
Abstract
Abstract PREPARATION OF NOVEL OXO-SUBSTITUTED A,B-UNSATURATED ESTERS AND DERIVATIVES THEREOF USEFUL AS LUBRICANTS, PLASTICIZERS AND INSECT CONTROL AGENTS.
Inventors
- 👤 J Siddall
- 👤 C Henrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:36
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/64; C07C45/27; C07C45/29; C07C45/292; C07C45/67; C07C45/68; C07C45/69; C07C45/72; C07C45/74; C07C59/00; C07C59/40; C07C59/76; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/30; Y; Y10; Y10S; Y10S424/00; Y10S424/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |