US2510773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a tertiary amino-alkyl thiol-ester hydrochloride
Assignee: STWB Inc
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Filing: 1946-05-18
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Granted: 1950-06-06
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Expires: 1966-05-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond O Clinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR PREPARING A TERTIARY AMINOALKYL DIPHENYLTHIOLACETATE HYDROCHLORIDE HAVING THE FORMULA (C6H5)2CHCOSA1KZ.HC1, WHEREIN ALK REPRESENTS A LOWER ALKYLENE GROUP AND Z REPRESENTS AN ALIPHATIC TERTIARY AMINO RADICAL, WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF DIPHENYLACETYL CHLORIDE AND AN ALIPHATIC TERTIARY AMINOLKANETHIOL HAVING THE FORMULA HSALKZ IN INERT ORGANIC SOLVENT.
Claim 2
Dependent Claim
50 words
A PROCESS FOR PREPARING A TERTIARY AMINOALKYL DIPHENYLTHIOLACETATE HYDROCHLORIDE HAVING THE FORMULA (C6H5)2CHCOSA1KZ.HC1, WHEREIN ALK REPRESENTS A LOWER ALKYLENE GROUP AND Z REPRESENTS AN ALIPHATIC TERTIARY AMINO RADICAL, WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR AMOUNTS OF DIPHENYLACETYL CHLORIDE AND AN ALIPHATIC TERTIARY AMINOLKANETHIOL HAVING THE FORMULA HSALKZ IN INERT ORGANIC SOLVENT.
References Cited (Backward Citations)
US2389153A
Cited
US2390555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |