Patent US2834737A successfully refreshed from Google Patents.
US2834737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foaming bleach
Assignee: Texize Chemicals Inc
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Filing: 1957-01-15
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Granted: 1958-05-13
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Expires: 1977-01-15
Abstract
No abstract record available.
Inventors
- 👤 Roland Z Farkas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
D; D06; D06L; D06L4/00; D06L4/20; D06L4/22; D06L4/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A BLEACH COMPRISING AN AQUEOUS SOLUTION OF SODIUM HYPOCHLORITE CONTAINING FROM ABOUT 3% TO ABOUT 16.5% AVAILABLE CHLORINE BY WEIGHT AND FROM ABOUT 0.05% TO ABOUT 1% BY WEIGHT OF A C-HIGHER ALKYL-N-TRIMETHYL-ABETAINE, SAID HIGHER ALKYL GROUP CONTAINING 10 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
43 words
A BLEACH COMPRISING AN AQUEOUS SOLUTION OF SODIUM HYPOCHLORITE CONTAINING FROM ABOUT 3% TO ABOUT 16.5% AVAILABLE CHLORINE BY WEIGHT AND FROM ABOUT 0.05% TO ABOUT 1% BY WEIGHT OF A C-HIGHER ALKYL-N-TRIMETHYL-ABETAINE, SAID HIGHER ALKYL GROUP CONTAINING 10 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
US2702279A
Cited
US2129264A
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US2320280A
Cited
US2255057A
Cited
US2415657A
Cited
US2576205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |