Patent US3035097A successfully refreshed from Google Patents.
US3035097A
Expired / Lapsed
US
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Novel catalytic process for preparation of mercaptans by reaction of h2s with alcohols or ethers
Assignee: Pennwalt Corp
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Filing: 1960-06-24
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Granted: 1962-05-15
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Expires: 1980-06-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Deger
- 👤 Roland H Goshorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:11
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/02; C07C319/08; C07C319/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE PREPARATION OF MERCAPTANS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN ABOUT 100* AND 500*C. AN OXYGEN COMPOUND TAKEN FROM THE CLASS OF HYDROXYL CONTAINING COMPOUNDS AND ACYLIC ETHERS WITH HYDROGEN SULFIDE IN THE PRESENCE OF A CATALYST COMPRISING A DEHYDRATION CATALYST PROMOTED WITH AN ACTIVATING AMOUNT OF A COMPOUND TAKEN FROM THE CLASS OF HETEROPOLY ACIDS, THEIR ALKALI METAL SALTS AND THEIR ALKALINE EARTH METAL SALTS.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE PREPARATION OF MERCAPTANS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN ABOUT 100* AND 500*C. AN OXYGEN COMPOUND TAKEN FROM THE CLASS OF HYDROXYL CONTAINING COMPOUNDS AND ACYLIC ETHERS WITH HYDROGEN SULFIDE IN THE PRESENCE OF A CATALYST COMPRISING A DEHYDRATION CATALYST PROMOTED WITH AN ACTIVATING AMOUNT OF A COMPOUND TAKEN FROM THE CLASS OF HETEROPOLY ACIDS, THEIR ALKALI METAL SALTS AND THEIR ALKALINE EARTH METAL SALTS.
References Cited (Backward Citations)
US2816146A
Cited
US2808441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |