US3591405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and whitening softener compositions
Assignee: Procter and Gamble Co
•
Filing: 1967-12-29
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Granted: 1971-07-06
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Expires: 1987-12-29
Abstract
Abstract CLEANING AND WHITENING SOFTENER FORMULATIONS CONTAINING FROM ABOUT 4 TO 50% QUATERNARY AMMONIUM SOFTENER, 25 TO 94% OF CERTAIN POLYPHOSPHONIC ACID SALTS, 0 TO 31% OF AN ALKALI METAL POLYACETATE SEQUESTERING AGENT AND 0.01 TO 4% OF AN OPTICAL BRIGHTENER.
Inventors
- 👤 Charles Bruce Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:37
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D1/00; C11D1/38; C11D1/62
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |