Patent US2667458A successfully refreshed from Google Patents.
US2667458A
Expired / Lapsed
US
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Textile treating materials
Assignee: —
•
Filing: —
•
Granted: 1954-01-26
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Expires: 1971-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/40; C11D3/42; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/54; C07D251/68; C11D1/00; C11D1/02; C11D1/04; C11D1/10; C11D1/12; C11D1/14; C11D1/146; C11D1/22; C11D1/28; C11D1/37; C11D10/00; C11D10/04; C11D3/02; C11D3/04; C11D3/046; C11D3/16; C11D3/20; C11D3/2075; C11D3/2079
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
21 words
NEW WHITENING AGENTS SELECTED FROM THE GROUP CONSISTING OF THE FREE ACIDS AND SALTS THE SULPHONIC ACIDS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
21 words
NEW WHITENING AGENTS SELECTED FROM THE GROUP CONSISTING OF THE FREE ACIDS AND SALTS THE SULPHONIC ACIDS OF THE GENERAL FORMULA:
Claim 3
Dependent Claim
43 words
A TEXTILE WASHING COMPOSITION COMPRISING ONE PART OF TH SODIUM SALT OF A WHITENING AGENT AS CLAIMED IN CLAIM 1 AND ABOUT 500 TO 300 PARTS OF A DETERGENT SELECTED FROM THE GROUP CONSISTING OF STEARATE SOAPS, COTTONSEED OIL SOAPS AND ROSIN SOAPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |