US3769222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free flowing nonionic surfactants
Assignee: Colgate Palmolive Co
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Filing: 1971-02-09
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Granted: 1973-10-30
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Expires: 1991-02-09
Abstract
Abstract A METHOD FOR CONVERTING LIQUID NONIONIC SURFACTANTS TO DRY FREE FLOWING FORM IS DISCLOSED. THE NEW METHOD INCLUDES THE MIXING OF THE LIQUID NONIONIC MATERIAL WITH SPECIFIC PARTICULATE CARRIER MATERIALS IN AMOUNTS VARYING FROM 30 TO 85 WEIGHT PERCENT. SUITABLE CARRIER MATERIALS INCLUDE COMPOUNDS HAVING FUNCTIONAL PROPERTIES IN DETERGENT FORMULATIONS. THE FREE FLOWING NONIONC SURFACTANTCARRIER PRE-MIX IS VERY SUITABLE FOR POST ADDITION TO SPRAY DRIED DETERGENT FORMULATIONS IN ORDER TO INCREASE THEIR CONTENT OF NONIONIC SURFACTANT.
Inventors
- 👤 J Yurko
- 👤 P Ramachandran
- 👤 Ding Cheng Bao
- 👤 R Dickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:57
CPC Classifications
C; C11; C11D; C11D11/00; C11D11/0082; C11D1/00; C11D1/66; C11D1/72; C11D3/00; C11D3/02; C11D3/12; C11D3/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |