US2624710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for laundering textiles and for imparting a whitening effect thereon
Assignee: Lever Brothers Co
•
Filing: 1946-04-10
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Granted: 1953-01-06
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Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:13
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/40; C11D3/42; C11D9/00; C11D9/04; C11D9/44; C11D9/448
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A COMPOSITION SUITABLE FOR LAUNDERING TEXTILES AND FOR IMPARTING A WHITENING EFFECT THERETO COMPRISING A DETERGENT SUITABLE FOR LAUNDERING TEXTILES AND FROM ABOUT 0.001% TO 1% BY WEIGHT OF AN AMINOAROYLAMINOSTIBENE SULFONIC ACID WHICH HAS THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2089413A
Cited
DE731558C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |