Patent US2822374A successfully refreshed from Google Patents.
US2822374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organic phosphorothioic halides
Assignee: Lubrizol Corp
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Filing: 1954-01-20
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Granted: 1958-02-04
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 Paul W Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE METHOD OF PREPARING PHOSPHOROTHIOIC HALIDES WHICH COMPRISES REACTING A HYDROGEN HALIDE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE WITH A PHOSPHORODITHIOIC ACID HAVING THE STRUCTURAL FORMULA
Claim 2
Independent Claim
31 words
THE METHOD OF PREPARING PHOSPHOROTHIOIC HALIDES WHICH COMPRISES REACTING A HYDROGEN HALIDE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE WITH A PHOSPHORODITHIOIC ACID HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
CA486848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |