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US3672993A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and compositions for cleaning ovens and the like

Assignee: Colgate Palmolive Co
•
Filing: 1970-07-30
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Granted: 1972-06-27
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Expires: 1990-07-30
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Abstract

Abstract A METHOD IS PROVIDED WHEREBY BAKED ON ORGANIC DEPOSITS FROM A SURFACE ARE READILY REMOVABLE WHEREIN AN ALKALI METAL BICARBONATE IS APPLIED TO THE CLEAN SURFACE AND SUBSEQUENT CLEANING AFTER SOILING IS EFFECTED BY WASHING OF THE SURFACE TO REMOVE THE SOILED COATING. COMPOSITIONS ARE PROVIDED FOR USE IN THE PROCESS WHICH INCLUDE IN ADDITION TO THE ALKALI METAL BICARBONATE, AN AQUEOUS VEHICLE AND A SURFACE ACTIVE AGENT. OTHER ADDITIVES MAY ALSO BE INCLUDED IN THE COMPOSITIONS SUCH AS SUSPENSING AGENTS, CORROSION INHIBITORS, GELLING AGENTS AND COLORING MATERIALS. THE PROCESS MAY BE CARRIED OUT BY APPLYING THE COMPOSITIONS BY MEANS OF A SPONGE, BRUSH OR CLOTH, FROM A SPRAY BOTTLE OR BY MEANS OF AN AEROSOL TYPE PRESSURIZED DISPENSER.

Inventors

  • 👤 Harry Ian Mitchell
  • 👤 Kenneth Tomlinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:13
CPC Classifications
C; C23; C23G; C23G1/00; C11; C11D; C11D17/00; C11D17/0043; C11D3/00; C11D3/0005; C11D3/0057; C11D3/02; C11D3/04; C11D3/10

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) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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