Patent US2716140A successfully refreshed from Google Patents.
US2716140A
Expired / Lapsed
US
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Fluorine activated chlorination
Assignee: Purdue Research Foundation
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Filing: 1948-01-15
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Granted: 1955-08-23
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Expires: 1968-01-15
Abstract
No abstract record available.
Inventors
- 👤 Earl T Mcbee
- 👤 James A Bittles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:19
CPC Classifications
C; C07; C07B; C07B39/00; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12; C07C17/14; C07C45/00; C07C45/61; C07C45/63
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
A PROCESS OF ACTIVATING THE DIRECT CHLORINATION OF AN ORGANIC COMPOUND SUSCEPTIBLE TO CHLORINATION WITH CHLORINE WHICH COMPRISES INTRODUCING THE CHLORINE AND A SMALL PROPORTION OF FLUORINE INTO CONTACT WITH THE ORGANIC COMPOUND.
References Cited (Backward Citations)
US2407129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |