US2785133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for a method of whitening fine fabrics
Assignee: GAF Chemicals Corp
•
Filing: 1954-03-26
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Granted: 1957-03-12
•
Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 Louis E Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
D; D06; D06L; D06L4/00; D06L4/60; D06L4/664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION OF MATTER FOR BRIGHTENING WHITE ORGANIC TEXTILE FABRICS COMPRISING AN AQUEOUS EMULSION CONTAINING 0.1-2.5% BY WEIGHT OF AN ORGANIC WATER SOLUBLE SYNTHETIC DETERGENT AND FORM 0.0005-0.1% BY WEIGHT OF AT LEAST ONE BRIGHTENING AGENT SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
47 words
A COMPOSITION OF MATTER FOR BRIGHTENING WHITE ORGANIC TEXTILE FABRICS COMPRISING AN AQUEOUS EMULSION CONTAINING 0.1-2.5% BY WEIGHT OF AN ORGANIC WATER SOLUBLE SYNTHETIC DETERGENT AND FORM 0.0005-0.1% BY WEIGHT OF AT LEAST ONE BRIGHTENING AGENT SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAE:
References Cited (Backward Citations)
US2649385A
Cited
US2639990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |