Patent US2837574A successfully refreshed from Google Patents.
US2837574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorination of alcohols
Assignee: Olin Corp
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Filing: 1956-03-15
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Granted: 1958-06-03
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Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Harry E Hill
- 👤 Guenter K Weisse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:28
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD FOR THE REPLACEMENT OF THE HYDROXYL RADICALS OF COMPOUNDS OF THE FORMULA R''O(RO)NROH WITH CHLORINE WHICH COMPRISES REACTING A COMPOUND OF THE FORMULA R''O(RO)NROH WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFUR MONO-CHLORIDE AND SULFUR DICHLORIDE WHILE THE REACTANTS ARE IN ADMIXTURE WITH A CATALYTIC AMOUNT OF A MATERIAL CONTAINING A BASIC NITROGEN ATOM, R'' BEING SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ALKYL RADICALS CONTAINING FROM 1 TO 4 CARBON ATOMS, R BEING AN ALKYLENE RADICAL CONTAINING FROM 2 TO 3 CARBON ATOMS AND N BEING AN INTEGER FROM 0 TO 5.
Claim 2
Independent Claim
97 words
A METHOD FOR THE REPLACEMENT OF THE HYDROXYL RADICALS OF COMPOUNDS OF THE FORMULA R''O(RO)NROH WITH CHLORINE WHICH COMPRISES REACTING A COMPOUND OF THE FORMULA R''O(RO)NROH WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFUR MONO-CHLORIDE AND SULFUR DICHLORIDE WHILE THE REACTANTS ARE IN ADMIXTURE WITH A CATALYTIC AMOUNT OF A MATERIAL CONTAINING A BASIC NITROGEN ATOM, R'' BEING SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ALKYL RADICALS CONTAINING FROM 1 TO 4 CARBON ATOMS, R BEING AN ALKYLENE RADICAL CONTAINING FROM 2 TO 3 CARBON ATOMS AND N BEING AN INTEGER FROM 0 TO 5.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |