Patent US3328368A successfully refreshed from Google Patents.
US3328368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaving s-s bonds in organic compounds using metal organic compounds
Assignee: Arthur D Little Inc
•
Filing: 1963-05-20
•
Granted: 1967-06-27
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Wang Chi Hua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:25
CPC Classifications
C; C07; C07C; C07C319/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
METHOD OF CLEAVING THE S-S BOND IN AN ORGANIC DISULFIDE COMPRISING THE STEP OF MIXING TOGETHER UNDER SUBSTANTIALLY OXYGEN-FREE CONDITIONS AND AT SUBSTANTIALLY ROOM TEMPERATURE (A) A SOLUTION OF AN ORGANOMETALLIC COMPOUND IN A VINYL MONOMER, SAID COMPOUND BEING EITHER A B-DIKETONE CHELATE OR A DICYCLOPENTADIENYL DERIVATIVE OF A TRANSITION METAL CAPABLE OF UNDERGOING CHANGE IN VALENCE STATE BY A SINGLE ELECTRON TRANSFER PROCESS, AND (B) AN ORGANIC DISULFIDE, SELECTED FROM THE GROUP CONSISTING OF DIARYL DISULFIDES, SUBSTITITED DIARYL DISULFIDES, DIALKYL DISULFIDES AND CYCLIC DISULFIDES, IN ANOTHER LIQUID MEDIUM WHICH IS AT LEAST A PARTIAL SOLVENT THEREFOR AND WHICH IS MISCIBLE WITH SAID SOLUTION.
References Cited (Backward Citations)
US2529315A
Cited
US2926160A
Cited
US2813849A
Cited
US3117111A
Cited
US3022351A
Cited
US3049522A
Cited
US3088939A
Cited
US2979532A
Cited
US3098060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |