Patent US2707714A successfully refreshed from Google Patents.
US2707714A
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Propargyl sulfides and mercaptans and process for preparing same
Assignee: Shell Development Co
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Filing: 1953-11-23
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Granted: 1955-05-03
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Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 George W Conklin
- 👤 Rupert C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:56
CPC Classifications
C; C07; C07C; C07C321/00; C07B; C07B45/00; C07B45/06; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/08; C10M2219/082; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
AN ORGANIC COMPOUND HAVING A SINGLE SULFUR ATOM PER MOLECULE, SAID SULFUR ATOM BEING DIVALENT, AND HAVING DIRECTLY ATTACHED TO SAID DIVALENT SULFUR ATOM AT LEAST ONE PROPARGYL RADICAL.
Claim 2
Dependent Claim
29 words
AN ORGANIC COMPOUND HAVING A SINGLE SULFUR ATOM PER MOLECULE, SAID SULFUR ATOM BEING DIVALENT, AND HAVING DIRECTLY ATTACHED TO SAID DIVALENT SULFUR ATOM AT LEAST ONE PROPARGYL RADICAL.
Claim 3
Independent Claim
37 words
A METHOD FOR PREPARING A PROPARGYL SULFIDE HAVING A SINGLE SULFUR ATOM PER MOLECULE WHICH COMPRISES REACTING A TERMINALLY ACETYLENICALLY UNSATURATED COMPOUND WITH A CARBONYL COMPOUND AND AN ORGAMIC MERCAPTAN IN THE PRESENCE OF A COPPER CATALYST.
Claim 4
Independent Claim
37 words
A METHOD FOR PREPARING A PROPARGYL SULFIDE HAVING A SINGLE SULFUR ATOM PER MOLECULE WHICH COMPRISES REACTING A TERMINALLY ACETYLENICALLY UNSATURATED COMPOUND WITH A CARBONYL COMPOUND AND AN ORGAMIC MERCAPTAN IN THE PRESENCE OF A COPPER CATALYST.
References Cited (Backward Citations)
US2229665A
Cited
US2412814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |