US2553776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of n-trichloromethylthioimides
Assignee: Standard Oil Development Co
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Filing: 1949-08-30
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Granted: 1951-05-22
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Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Allen R Kittleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:17
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/26; A; A01; A01N; A01N47/00; A01N47/02; A01N47/04; C07D207/00; C07D207/46; C07D207/48; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D209/56; C07D209/58; C07D209/72; C07D209/76; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/80; C07D263/00; C07D263/02; C07D263/30; C07D263/34; C07D263/44; C07D275/00; C07D275/04; C07D275/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A PROCESS FOR THE PREPARATION OF AN NTRICHLOROMETHYLTHIO IMIDE WHICH COMPRISES THE STEPS OF DISSOLVING AN AMIDE IN AN AQUEOUS ALKALINE SOLUTION OF AN ALKALI METAL COMPOUND AND REACTING THE RESULTING ALKALI METAL COMPOUND AND DISSOLVED IN THE AQUEOUS MEDIA WITH ADMIXED PERCHLOROMETHYL MERCAPTAN, THE IMPROVEMENT WHICH POMPRISES ADDING A NUETRAL WATER-SOLUBLE SALT TO THE AQUEOUS IMIDE SOLUTION PRIOR TO THE ADDITION OF PERCHLOROMETHYL MERCAPTAN.
Claim 2
Dependent Claim
66 words
IN A PROCESS FOR THE PREPARATION OF AN NTRICHLOROMETHYLTHIO IMIDE WHICH COMPRISES THE STEPS OF DISSOLVING AN AMIDE IN AN AQUEOUS ALKALINE SOLUTION OF AN ALKALI METAL COMPOUND AND REACTING THE RESULTING ALKALI METAL COMPOUND AND DISSOLVED IN THE AQUEOUS MEDIA WITH ADMIXED PERCHLOROMETHYL MERCAPTAN, THE IMPROVEMENT WHICH POMPRISES ADDING A NUETRAL WATER-SOLUBLE SALT TO THE AQUEOUS IMIDE SOLUTION PRIOR TO THE ADDITION OF PERCHLOROMETHYL MERCAPTAN.
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |