Patent US3818018A successfully refreshed from Google Patents.
US3818018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adducts of bis-(2-pyridyl-1-oxide) disulfide with alkaline earth metal salts
Assignee: Olin Corp
•
Filing: 1971-10-18
•
Granted: 1974-06-18
•
Expires: 1991-10-18
Abstract
Abstract This invention pertains to adducts of bis-(2-pyridyl-1-oxide) disulfide with alkaline earth metal salts, the method of their preparation and formulations containing such adducts.
Inventors
- 👤 G Weisse
- 👤 H Hooks
- 👤 G Hyde
- 👤 S Trotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:46
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4933; A61P; A61P17/00; C; C07; C07D; C07D213/00; C07D213/02; C07D213/89
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
11 words
The adduct of claim 1 wherein M is calcium or magnesium.
Claim 2
Dependent Claim
11 words
The adduct of claim 2 wherein Y is chloride or sulfate.
Claim 3
Dependent Claim
16 words
The adduct of claim 3 wherein M is calcium, Y is chloride and t is 2.
Claim 4
Dependent Claim
16 words
The adduct of claim 3 wherein M is magnesium, Y is sulfate and t is 1.
Claim 5
Dependent Claim
29 words
The adduct of claim 1 wherein the formula is selected from the group consisting of (C5H4NOS)2CaCl2, (C5H4NOS)2MgSO4 X not identical 3H2O, (C5H4NOS)2SrCl2, (C5H4NOS)2SrBr2, (C5H4NOS)2BaBr2, (C5H4NOS)2Ca(NO3)2 and (C5H4NOS)2Ba(ClO3)2 X H2O.
References Cited (Backward Citations)
US3027372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |