US3583923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: WR Grace and Co
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Filing: 1970-05-26
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Granted: 1971-06-08
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Expires: 1990-05-26
Abstract
Abstract THE INVENTION DISCLOSED IS DIRECTED TO A HEAVY DUTY CLEANING COMPOSITION WHICH INCLUDES AN ALKALI METAL HYDROXIDE, A HYDROXYCARBOXYLIC ACID AND SALTS THEREOF, AN ALKALI METAL CARBONATE, AN ALKALI METAL SILICATE, A HIGHER FATTY ACID SULFONATE AND SALTS THEREOF, A POLYETHOXYLATED FATTY ACID MONO-LOWER ALKANOL AMIDE, AN ALKALI METAL SOAP, AND OPTIONALLY AN ANTICAKING AGENT. THE PRESENT HEAVY DUTY CLEANING COMPOSITION PROVIDES IMPROVED MEANS FOR REMOVING GREASE, OIL AND PARTICULATE MATTER FROM SOILED MACHINERY.
Inventors
- 👤 Clifford M Cantrell Jr
- 👤 Roy B Lance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2086; B; B01; B01J; B01J2/00; B01J2/30; C11D10/00; C11D10/04; C11D3/02; C11D3/04; C11D3/044; C11D3/08; C11D3/10; C11D3/12; C11D3/14; C11D3/22; C11D3/221; C11D1/00; C11D1/02; C11D1/12; C11D1/28; C11D1/38; C11D1/52; C11D1/526
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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |