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Patent US3346639A successfully refreshed from Google Patents.
US3346639A
Expired / Lapsed
US
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Process for the preparation of alkyl difluoramines
Assignee: Rohm and Haas Co
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Filing: 1963-11-19
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Granted: 1967-10-10
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert A Wiesboeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:08
CPC Classifications
C; C06; C06B; C06B43/00; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS FOR THE PREPARATION OF ALKYL DIFLUORAMINES WHICH COMPRISES TREATING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ALKYL SULFONAMIDES AND ALKYL SULFAMATES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
27 words
A PROCESS FOR THE PREPARATION OF ALKYL DIFLUORAMINES WHICH COMPRISES TREATING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ALKYL SULFONAMIDES AND ALKYL SULFAMATES OF THE GENERAL FORMULA
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |