Patent US3435064A successfully refreshed from Google Patents.
US3435064A
Expired / Lapsed
US
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Process to convert activated methylene groups to the corresponding carbonyl groups
Assignee: Shulton Inc
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Filing: 1965-06-30
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Granted: 1969-03-25
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar Schipper
- 👤 William Oroshnik
- 👤 Jerome M Cinnamon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:06
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/782; B; B41; B41M; B41M5/00; B41M5/26; B41M5/30; B41M5/323; C07C45/00; C07C45/27; C07C45/28; C07C45/30; C07C45/61; C07C45/64; C07C45/67; C07C45/68; C07C45/72; C07C49/587; C07C49/657; C07C49/665; C07C49/675; C07C49/703; C07C49/747
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |