US2912448A
Expired / Lapsed
US
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Hydrocarbontin isodithiocarbamates and process of preparation
Assignee: Primerica Inc
•
Filing: 1955-10-19
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Granted: 1959-11-10
•
Expires: 1975-10-19
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C07; C07F; C07F7/00; C07F7/22; C07F7/226; C08K5/56; C08K5/57; C08K5/58
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
ORGANOTIN ISODITHIOCARBONATES OF GENERAL FORMULA
Claim 2
Dependent Claim
5 words
ORGANOTIN ISODITHIOCARBONATES OF GENERAL FORMULA
Claim 3
Dependent Claim
76 words
A PROCESS FOR THE PREPARATION OF A HYDROCARBONTIN ISODITHIOCARBAMATE OF CLAIM 1 WHICH COMPRISES REACTING A PRIMARY AMINE WITH CS2 AND AN ALKALI METAL HYDROXIDE TO FORM THE CORRESPONDING ALKALI METAL SALT OF A DITHIOCARBAMIC ACID, REACTING SAID SALT WITH A HYDROCARBON HALIDE TO FORM THE CORRESPONDING ISODITHIOCARBAMIC ACID AND THEN REACTING THE ISODITHIOCARBAMIC ACID WITH A HYDROCARBONTIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONTIN HALIDES AND HYDROCARBONTIN OXIDES TO PRODUCE THE CORRESPONDING HYDROCARGBONATIN ISODITHIOCARBOAMATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |