US3420901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the oxychlorination of organic compounds
Assignee: Hooker Chemical Corp
•
Filing: 1967-10-23
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Granted: 1969-01-07
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/158; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/24; B01J31/00; B01J31/02; B01J31/12; B01J31/121; C07C17/152; C07C17/156; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1963761A
Cited
US2644846A
Cited
US2783286A
Cited
US2838577A
Cited
US2952714A
Cited
US3042728A
Cited
FR1304911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |