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US2940877A Expired / Lapsed US ⏱️ 0.0 years remaining

Paint stripping composition

Assignee: Motors Liquidation Co
•
Filing: 1955-04-21
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Granted: 1960-06-14
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Expires: 1975-04-21
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence L Jaffe
  • 👤 Wendell L Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 15:40
CPC Classifications
C; C09; C09D; C09D9/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 157 words
A PAINT STRIPPING COMPOSITION COMPRISING ORIGINALLY AN ALKALI METAL HYDROXIDE TAKEN FROM THE CLASS CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE, A MONOHYDROXY BENZENE TAKEN FROM THE CLASS CONSISTING OF PHENOL, CRESOL AND XYLENOL AND AT LEAST ONE COMPOUND TAKEN FROM THE CLASS CONSISTING OF GLUCOSE, GLUCONIC ACID, SACCHARIC ACID, SODIUM GLUCONATE, POTASSIUM GLUCONATE, SODIUM SACCHARATE, POTASSIUM SACCHARATE, AND A DISACCHARIDE, SAID ALKALI METAL HYDROXIDE BEING PRESENT IN AMOUNTS MOLECULARLY EQUIVALENT TO FROM 3 TO 6 POUNDS OF SODIUM HYDROXIDE PER GALLON OF WATER, AID MONOHYDROXY BENZENE BEING PRESENT IM ANOUNTS MOLECULARLY EQUIVALENT TO ABOUT 0.3 TO 0.6 POUND PER GALLON OF WATER, SAID GLUCONIC ACID, SACCHARIC ACID, SODIUM GLUCONATE, POTASSIUM GLUCONATE, SODIUM SACCHARATE AND POTASSIUM SACCHARATE BEING PRESENT IN AMOUNTS MOLECULARL EQUVILANENT TO ABOUT 0.03 TO 0.06 POUND OF SODIUM GLUCONATE PER GALLON OF WATER AND SAID GLUCOSE AND DISACCHARIDE BEING PRESENTED IN AMOUNTS MOLECULARLY EQUIVALENT TO ABOUT 0.6 TO 1.2 POUNDS PER GALLON OF WATER.
Claim 2
Dependent Claim 50 words
IN A METHOD FOR REMOVING A COATING OF PAINT, VARNISH AND THE LIKE FROM AN ARTICLE CAOTED THERWITH, THE STEPS COMPRISING OF HEATING A SOLUTION IN ACCORDANCE WITH CLAIM 7 TO APPROXIMATELY ITS BOILING POINT AND SUBJECTING THE ARTICLE TO SAID SOLUTION FOR A TIME SUFFICIENT TO REMOVE SAID COATING.

References Cited (Backward Citations)

DE259360C Cited
US1322009A Cited
US2584017A Cited
US982524A Cited
US1744463A Cited
FR780292A Cited
US2650875A Cited
US2653860A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-14 1963-12-14 1964-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-14 1967-12-14 1968-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-14 1971-12-14 1972-06-14 $7700.00 Window Closed / Lapsed

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