Patent US1629227A successfully refreshed from Google Patents.
Patent US3116328A successfully refreshed from Google Patents.
US3116328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of thiuram disulfides
Assignee: —
•
Filing: —
•
Granted: 1963-12-31
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Expires: 1980-12-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:03
CPC Classifications
C; C07; C07C; C07C333/00; C07C333/14; C07C333/30; C07C333/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR THE PREPARATION OF AN ALKYL SUBSTITUTED THIURAMDISULFIDE WHICH COMPRISES OXIDIZING AN ALKALI METAL SALT OF AN ALKYLDITHIOCARBAMIC ACID WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND AIR IN THE PRESENCE OF A GROUP VIII METAL PHTHALOCYANINE CATALYST AT A PH OF FROM ABOUT 7 TO ABOUT 12 AND A TEMPERATURE OF FROM ABOUT 15*C. TO ABOUT 200*C., AND RECOVERING THE RESULTING ALKYL SUBSTITUTED THIURAMDISULFIDE.
Claim 2
Dependent Claim
71 words
A PROCESS FOR THE PREPARATION OF AN ALKYL SUBSTITUTED THIURAMDISULFIDE WHICH COMPRISES OXIDIZING AN ALKALI METAL SALT OF AN ALKYLDITHIOCARBAMIC ACID WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND AIR IN THE PRESENCE OF A GROUP VIII METAL PHTHALOCYANINE CATALYST AT A PH OF FROM ABOUT 7 TO ABOUT 12 AND A TEMPERATURE OF FROM ABOUT 15*C. TO ABOUT 200*C., AND RECOVERING THE RESULTING ALKYL SUBSTITUTED THIURAMDISULFIDE.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |