US3574697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Haloalkylene bisthiocyanates
Assignee: Wyeth Holdings LLC
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Filing: 1968-05-27
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Granted: 1971-04-13
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Expires: 1988-05-27
Abstract
Abstract HALOALKYLENE BISTHIOCYANATES OF THE FORMULA X-C(-Y)(-S-CN)-CH(-R)-S-CN IN WHICH X IS HALOGEN, Y IS HYDROGEN, HALOGEN, PHENYL OR ALKYL OF 1 TO 16 CARBON ATOMS, R IS HYDROGEN, PHENYL, LOWER ALKYLPHENYL, OR ALKYL OF 1 TO 16 CARBON ATOMS, AND CYCLOALIPHATIC BIS-THIOCYANATES IN WHICH R AND Y REPRESENT THE RESIDUE OF A CYCLOALIPHATIC RING OF FROM 5 TO 10 CARBON ATOMS ARE PREPARED BY REACTING THIOCYANOGEN WITH THE CORRESPONDING HALO-OLEFINS. THE NEW HALOALKYLENE BISTHIOCYANATES ARE HIGHLY ACTIVE BACTERICIDES, FUNGICIDES AND ALGICIDES AND ARE EFFECTIVE IN ALKALINE WATERS AS WELL AS UNDER NEUTRAL AND ACID CONDITIONS.
Inventors
- 👤 Richard Parke Welcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:57
CPC Classifications
C; C07; C07C; C07C331/00; C07C331/16; C07C331/18; C07C331/20; A; A01; A01N; A01N47/00; A01N47/40; A01N47/46; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |