US3700594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon disulfide emulsions
Assignee: Baker Petrolite LLC
•
Filing: 1969-12-17
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Granted: 1972-10-24
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Expires: 1989-12-17
Abstract
Abstract NON-NEWTONIAN FORMULATIONS CONTAINING CARBON DISULFIDE (CS2) OF REDUCED TOXICITY AND FLAMMABILITY. THESE FORMULATIONS ARE ILLUSTRATED BY HIGH INTERNAL PHASE RATIO (HIPR) EMULSIONS CONTAINING CARBON DISULFIDE IN THE INTERNAL PHASE, SAID INTERNAL PHASE CONTAINING MORE THAN ABOUT 60% OF THE FORMULATION BY VOLUME AND PREFERABLY MORE THAN ABOUT 80% OF THE FORMULATION BY VOLUME. THESE FORMULATIONS ARE PARTICULARLY USEFUL IN CLEANING OIL AND GAS WELLS BY THE REMOVAL OF WAX AND/OR SULFUR.
Inventors
- 👤 Kenneth J Lissant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:49
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/52; C09K8/524; Y; Y10; Y10S; Y10S507/00; Y10S507/927; Y10S507/929; Y10S507/931; Y10S507/932
Claims Analysis
Total Claims: 0
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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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |