US3148998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing ternary thio compounds
Assignee: NL Industries Inc
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Filing: 1960-02-02
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Granted: 1964-09-15
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Expires: 1980-02-02
Abstract
No abstract record available.
Inventors
- 👤 Clearfield Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:13
CPC Classifications
C; C01; C01G; C01G25/00; C01G25/006; C01G23/00; C01G23/002; C01P; C01P2002/00; C01P2002/30; C01P2002/34; C01P2002/70; C01P2002/72; C01P2006/00; C01P2006/10; C01P2006/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
COLORED COMPOSITIONS RESULTING FROM THE HEATING TO PARTIALLY BUT NOT COMPLETELY REPLACE THE OXYGEN THEREOF WITH SULFUR OF A COMPOUND OF THE GROUP CONSISTING OF BATIO3 AND BAZRO3 IN AN ATMOSPHERE OF CARBON DISULFIDE VAPOR AND IN THE ABSENCE OF AIR AT TEMPERATURES OF FROM 400*C. TO 1100*C., SAID COMPOSITIONS BEING VARIABLE IN COMPOSITION BUT CONTAINING SULFUR AND BEING COMPOSED IN AT LEAST MAJOR PART OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BATIO3 AND BATIS2 IN THE CASE OF THOSE COMPOSITIONS DERIVED FROM BATIO3 AND BEING COMPOSED AT LEAST IN MAJOR PART OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BAZRO3 AND BAZRS3 IN THE CASE OF THOSE COMPOSITIONS DERIVED FROM BAZRO3 AND THE COLOR OF SAID COMPOSITIONS AND THE SULFUR CONTENT THEREOF BEING VARIABLE WITH THE TIME AND TEMPERATURE OF HEATING.
References Cited (Backward Citations)
US2728637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |