Patent US3394192A successfully refreshed from Google Patents.
US3394192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of beta-mercaptoalkanols
Assignee: EIDP Inc
•
Filing: 1966-03-16
•
Granted: 1968-07-23
•
Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Howard E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:00
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
IN THE PROCESS OF PREPARING B-MERCAPTOALKANOLS BY REACTING HYDROGEN SULFIDE WITH A 1,2-EPOXIDE COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
18 words
IN THE PROCESS OF PREPARING B-MERCAPTOALKANOLS BY REACTING HYDROGEN SULFIDE WITH A 1,2-EPOXIDE COMPOUND OF THE FOLLOWING FORMULA:
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |