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Patent US3700699A successfully refreshed from Google Patents.
US3700699A
Expired / Lapsed
US
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N-(1-azido-(2,2,2-trihaloethyl) sulfonamides
Assignee: Chevron USA Inc
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Filing: 1971-06-28
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Granted: 1972-10-24
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Expires: 1991-06-28
Abstract
Abstract Azides of the formula IN WHICH X is Cl or Br and R is a carboxyacyl, sulfonylacyl or alkoxycarbonyl group. These azides are nematocidal.
Inventors
- 👤 Malcolm S Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:06
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/48; C07C311/49; C07C381/00; A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N41/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
8 words
Compound of claim 1 wherein X is chlorine.
Claim 2
Dependent Claim
23 words
Compound of claim 1 wherein R2 is alkyl of one to six carbon atoms or phenyl substituted with zero to two chlorine atoms.
Claim 3
Dependent Claim
8 words
Compound of claim 1 wherein R2 is 4-chlorophenyl.
References Cited (Backward Citations)
US3636062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |