US2859246A
Expired / Lapsed
US
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Method of desulfurizing a polymeric bis thiuram disulfide
Assignee: Uniroyal Inc
•
Filing: 1955-05-09
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Granted: 1958-11-04
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Martin Lothar
- 👤 Harold R Chipman
- 👤 Charles W Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:08
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/26; C; C07; C07C; C07C333/00; C07C333/14; C07C333/30; C07C333/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD OF MAKING AN IMPROVED FUNGICIDE COMPRISING DESULFURIZING A POLYMERIC BIS THIURAM DISULFIDE BY TREATING ONE MOLE OF SAID DISULFIDE WITH FROM ONE-HALF TO 1.5 MOLES OF AN ALKALI METAL CYANIDE.
Claim 2
Independent Claim
32 words
A METHOD OF MAKING AN IMPROVED FUNGICIDE COMPRISING DESULFURIZING A POLYMERIC BIS THIURAM DISULFIDE BY TREATING ONE MOLE OF SAID DISULFIDE WITH FROM ONE-HALF TO 1.5 MOLES OF AN ALKALI METAL CYANIDE.
References Cited (Backward Citations)
DE919350C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |