US3221056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of mercaptans and thio-ether compounds
Assignee: Phillips Petroleum Co
•
Filing: 1962-12-26
•
Granted: 1965-11-30
•
Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Rector P Louthan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:18
CPC Classifications
C; C07; C07C; C07C323/00; C07C321/00; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR PREPARING MERCAPTANS AND THIO-ETHER COMPOUNDS, WHICH PROCESS COMPRISES REACTING MONOOLEFINIC COMPOUNDS WITH HYDROGEN SULFIDE IN A REACTION ZONE IN THE PRESENCE OF A BASIC MATERIAL PRESENT IN THE AMOUNT OF 0.25 TO 30 GRAMS PER MOL OF SAID MONOOLEFINIC COMPOUND AND AN AMOUNT OF SULFUR IN THE RANGE OF 0.2 TO 5 GRAMS PER MOL OF SAID MONOOLEFINIC COMPOUND CHARGED TO SAID REACTION ZONE, SAID MONOOLEFINIC COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
73 words
A PROCESS FOR PREPARING MERCAPTANS AND THIO-ETHER COMPOUNDS, WHICH PROCESS COMPRISES REACTING MONOOLEFINIC COMPOUNDS WITH HYDROGEN SULFIDE IN A REACTION ZONE IN THE PRESENCE OF A BASIC MATERIAL PRESENT IN THE AMOUNT OF 0.25 TO 30 GRAMS PER MOL OF SAID MONOOLEFINIC COMPOUND AND AN AMOUNT OF SULFUR IN THE RANGE OF 0.2 TO 5 GRAMS PER MOL OF SAID MONOOLEFINIC COMPOUND CHARGED TO SAID REACTION ZONE, SAID MONOOLEFINIC COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2061019A
Cited
US2137584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |