Patent US3317599A successfully refreshed from Google Patents.
US3317599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ureas and alcohol products
Assignee: Standard Oil Co
•
Filing: 1964-04-30
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Granted: 1967-05-02
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Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Edward A Swakon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/02; C07C273/00; C07C273/02; C07C273/18; C07C273/1809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD FOR SIMULTANEOUSLY LPRODUCING A MERCAPTAN SELECTED FROM THE CLASS CONSISTING OF BETA-HYDROXY AND BETA-MERCAPTO MERCAPTANS AND A SYMMETRICAL UREA SELECTED FROM THE CLASS CONSISTING OF UREA AND SYM. N,N''-DISUBSTITUTED UREA, WHICH METHOD CMPRISES REACTING AT A TEMPERATURE OF FROM 15 TO 90*C. AN OLEFINE CHALCIDE WITH A MONOTHIOLCARBAMATE SELECTED FROM THE CLASS CONSISTING OF AMMONIUM MONOTHIOLCARBAMATE AND N-MONOSUBSTITUTED MONOTHIOLCARBAMATE AMINE SALTS.
Claim 2
Independent Claim
63 words
A METHOD FOR SIMULTANEOUSLY LPRODUCING A MERCAPTAN SELECTED FROM THE CLASS CONSISTING OF BETA-HYDROXY AND BETA-MERCAPTO MERCAPTANS AND A SYMMETRICAL UREA SELECTED FROM THE CLASS CONSISTING OF UREA AND SYM. N,N''-DISUBSTITUTED UREA, WHICH METHOD CMPRISES REACTING AT A TEMPERATURE OF FROM 15 TO 90*C. AN OLEFINE CHALCIDE WITH A MONOTHIOLCARBAMATE SELECTED FROM THE CLASS CONSISTING OF AMMONIUM MONOTHIOLCARBAMATE AND N-MONOSUBSTITUTED MONOTHIOLCARBAMATE AMINE SALTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |