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US3784475A
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Detergent compositions containing oxidized polysaccharide builders
Assignee: Procter and Gamble Co
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Filing: 1971-11-17
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Granted: 1974-01-08
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Expires: 1991-11-17
Abstract
Abstract DETERGENT AND LAUNDERING COMPOSITIONS COMPRISING AN ORGANIC WATER-SOLUBLE SYNTHETIC DETERGENT AND A WATERSOLUBLE OXIDIZED POLYSACCHARIDE BUILDER IN A PROPORTION BY WEIGHT OF DETERGENT TO BUILDER OF 10:1 TO ABOUT 1:20; 3.0, AN EQUIVALENT WEIGHT OF 68 TO 200, A DEGREE OF POLYMERIZATION, N, OF 20 TO 30,000 AND A MOLECULAR WEIGHT OF 4,000 TO 5,000,000.
Inventors
- 👤 F Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:23
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/223
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |