US3676166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized sulfur compositions
Assignee: Phillips Petroleum Co
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Filing: 1970-09-28
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Granted: 1972-07-11
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Expires: 1990-09-28
Abstract
Abstract THE COLOR STABILITY OF PLASTICIZED SULFUR-CONTAINING COMPOSITIONS IS IMPROVED BY THE ADDITION OF A VISCOSITY CONTROL AGENT SELECTED FROM THE GROUP CONSISTING OF 1,2,4TRICHLOROBENZENE; BIPENYL; NAPHTHALENE; O-DICHLOROBENZENE; P-DICHLOROBENZENE OR XYLENE.
Inventors
- 👤 Rector P Louthan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:53
CPC Classifications
C; C08; C08L; C08L81/00; C04; C04B; C04B28/00; C04B28/36; C08G; C08G75/00; C09; C09D; C09D5/00; C09D5/004
Claims Analysis
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |