US3632804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycose hydrocarbon sulfonate surfactants
Assignee: Phillips Petroleum Co
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Filing: 1969-01-03
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Granted: 1972-01-04
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Expires: 1989-01-03
Abstract
Abstract NOVEL SURFACTANTS AND PROCESSES OF PRODUCTION SAME BY FORMING ALKALI METAL SALTS OF A SACCHARIDE AND REACTING THE SO-FORMED ALKALI METAL SALTS WITH A HYDROCARBONSUL FONYL HALIDE.
Inventors
- 👤 Roy A Gray
- 👤 Edmund T Kittleman
- 👤 Gardner C Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:11
CPC Classifications
C; C07; C07H; C07H13/00; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |