US3574100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble lubricating agents for continuously moving conveyor systems
Assignee: Cowles Chemical Co
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Filing: 1968-01-10
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Granted: 1971-04-06
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Expires: 1988-01-10
Abstract
Abstract LUBRICATING COMPOSITIONS, WHICH EXHIBIT CONTROLLED FOAMING AND ARE USEFUL OVER A WIDE RANGE OF WATER HARDNESS, ARE DISCLOSED. THE LUBRICATING COMPOSITIONS ARE USEFUL IN LUBRICATING AND CLEANING CONVEYOR BELTS, CHAINS AND THE LIKE SYSTEMS. THE LUBRICATING COMPOSITIONS PREFERABLY CONTAIN AN AMPHOLYTE, WHICH IS PREFERABLY A DERIVATIVE OF A FATTY PRIMARY AMINE AND A SALT OF A PHOSPHATE ESTER OF AN OLEYL ALCOHOL ETHOXYLATE. METHODS FOR THE USE OF THESE COMPOSITIONS ARE ALSO DISCLOSED.
Inventors
- 👤 Clayton A Wetmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:19
CPC Classifications
C; C02; C02F; C02F9/00; C02F9/20; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M133/44; C10M133/46; C10M137/00; C10M137/02; C10M137/04; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2225/00; C10M2225/02; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/01
Claims Analysis
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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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |