US3707554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal n-halo-alkanesulfonamides as bleaching agents and methods of their preparation
Assignee: Procter and Gamble Co
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Filing: 1969-09-15
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Granted: 1972-12-26
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Expires: 1989-09-15
Abstract
Abstract NOVEL ALKALI METAL N-HALO-ALKANESULFONAMIDES, HAVING BLEACHING AND ANTISEPTIC PROPERTIES AND CAPABLE OF BEING FORMULATED IN BLEACHING AND DETERGENT COMPOSITIONS, ARE REPRESENTED BY THE FORMULATION R-SO2-N(-X)-M WHEREIN X IS CHLORINE OR BROMINE, M IS AN ALKALI METAL, AND R IS AN ALKYL HAVING FROM 1 TO ABOUT 22 CARBON ATOMS; THE NOVEL COMPOUNDS CAN BE PREPARED, FOR EXAMPLE, BY REACTING AN ALKANE SULFONAMIDE WITH AN ALKALI METAL HYPOCHLORITE OR HYPOBROMITE.
Inventors
- 👤 Frederick E Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:06
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3955; D; D06; D06L; D06L4/00; D06L4/20; D06L4/27
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) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |