Patent US3681386A successfully refreshed from Google Patents.
US3681386A
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Substituted alkanal oximes
Assignee: 3M Co
•
Filing: 1969-11-06
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Granted: 1972-08-01
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Expires: 1989-11-06
Abstract
Abstract S,S''-disubstituted 2,2-thio, sulfinyl and sulfonyl alkanal oximes in which the sulfur atoms are optionally included in alicyclic rings are provided as valuable chemical intermediates for the preparation of physiologically active compounds.
Inventors
- 👤 Tomas L Fridinger
- 👤 Edward L Mutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:32
CPC Classifications
C; C07; C07D; C07D339/00; C07D339/02; C07D339/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
13 words
A compound according to claim 1 wherein A1 and A2 are -S-linking groups.
Claim 2
Dependent Claim
22 words
A compound according to claim 2 wherein R1 and R2 together form an alkylene or alkenylene linking group joining the sulphur atoms.
Claim 3
Dependent Claim
11 words
The compound Alpha , Alpha -bis(methylthio)propionaldehyde oxime according to claim 1.
Claim 4
Dependent Claim
8 words
The compound 2-formyl-2-methyl-1,3-dithiane oxime according to claim 1.
Claim 5
Dependent Claim
8 words
The compound 2-formyl-2-methyl-1,3-dithiolane oxime according to claim 1.
Claim 6
Dependent Claim
7 words
The compound 2-formyl-2,4-dimethyl-1,3-dithiolane according to claim 1.
Claim 7
Dependent Claim
8 words
The compound 2-acetyl-2,4-dimethyl-1,3-dithiolane oxime according to claim 1.
Claim 8
Dependent Claim
8 words
The compound 2-ethyl-2-propionyl-1,3-dithiolane oxime according to claim 1.
References Cited (Backward Citations)
US3193561A
Cited
US3506698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |