US3284466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of monomeric disulfides
Assignee: ATK Launch Systems LLC
•
Filing: 1963-07-12
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Granted: 1966-11-08
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 Norman A Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:48
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0889; C07D; C07D285/00; C07D285/36; C07D327/00; C08; C08G; C08G75/00; C08G75/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METHOD OF MAKING A CYCLIC DISULFIDE WHICH COMPRISES SLOWLY ADDING AN ALKALI METAL SULFIDE TO A SOLUTION OF AN ORGANIC COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
26 words
A METHOD OF MAKING A CYCLIC DISULFIDE WHICH COMPRISES SLOWLY ADDING AN ALKALI METAL SULFIDE TO A SOLUTION OF AN ORGANIC COMPOUND HAVING 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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |