US2569747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of aliphatic polyhydric alcohols and chlorohydrins with sis2
Assignee: Union Carbide Corp
•
Filing: 1949-06-08
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Granted: 1951-10-02
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Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 James B Culbertson
- 👤 Hendrik De W Erasmus
- 👤 Robert M Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD FOR MAKING A SILICATE OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC POLYHYDRIC ALCOHOLS AND ALKYLENE CHLOROBYDRINS, SAID SUBSTANCE BEING FREE FROM REACTIVE GROUPS OTHER THAN HYDROXYL, WHICH METHOD COMPRISES REACTING SILICON DISULFIDE WITH SUCH A SUBSTANCE.
Claim 2
Independent Claim
41 words
A METHOD FOR MAKING A SILICATE OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC POLYHYDRIC ALCOHOLS AND ALKYLENE CHLOROBYDRINS, SAID SUBSTANCE BEING FREE FROM REACTIVE GROUPS OTHER THAN HYDROXYL, WHICH METHOD COMPRISES REACTING SILICON DISULFIDE WITH SUCH A SUBSTANCE.
References Cited (Backward Citations)
US2381137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |