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US3840466A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Colgate Palmolive Co
•
Filing: 1971-07-20
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Granted: 1974-10-08
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Expires: 1991-07-20
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Abstract

Abstract 1. A COMPOSITON CONSISTING ESSENTIALLY OF EFFECTIVE AOUNTS OF AN INORGAIC PEROXYGEN COMPOUND, AN ACTIVATOR FOR THE PEROXYGEN COMPOUND AND ABOUT 0.001% TO 4% OF A PROTEOLYTIC ENZYME, SAID ACTIVATOR HAVING A CARBOXYLIC ACRYL GROUP, SAID PEROXYGEN COMPOUND BEING ONE WHICH REACTS WITH SAID ACTIVATOR TO FORM THE CORRESPONDING PERCARBOXYLIC ACID ON ADDITION OF SAID COMPOSITION TO WASH WATER, SAID ACTIVATOR BEING PRESENT IN AMOUNT EFFECTIVE TO SO CONVERT SAID PEROXYGEN COMPOUND AND THEREBY INCREASE THE BLEACHING EFFECT TO SAID PEROXYGEN COMPOUND ON COFFEE/TEA STAINS, SAID COMPOSITION BEING ADAPTED TO BE ADDED TO AQUEOUS WASH WATER IN AN AMOUNT SUFFICIENT TO PROVIDE ABOUT 1 TO 40 P.P.M. OF AVAILABLE OXYGEN TO THE WASH WATER.

Inventors

  • 👤 F Gray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:07
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3942; C11D3/02; C11D3/04; C11D3/046; C11D3/16; C11D3/38; C11D3/386; C11D3/38609; C11D3/3902; C11D3/3905; C11D3/3907

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A COMPOSITON CONSISTING ESSENTIALLY OF EFFECTIVE AOUNTS OF AN INORGAIC PEROXYGEN COMPOUND, AN ACTIVATOR FOR THE PEROXYGEN COMPOUND AND ABOUT 0.001% TO 4% OF A PROTEOLYTIC ENZYME, SAID ACTIVATOR HAVING A CARBOXYLIC ACRYL GROUP, SAID PEROXYGEN COMPOUND BEING ONE WHICH REACTS WITH SAID ACTIVATOR TO FORM THE CORRESPONDING PERCARBOXYLIC ACID ON ADDITION OF SAID COMPOSITION TO WASH WATER, SAID ACTIVATOR BEING PRESENT IN AMOUNT EFFECTIVE TO SO CONVERT SAID PEROXYGEN COMPOUND AND THEREBY INCREASE THE BLEACHING EFFECT TO SAID PEROXYGEN COMPOUND ON COFFEE/TEA STAINS, SAID COMPOSITION BEING ADAPTED TO BE ADDED TO AQUEOUS WASH WATER IN AN AMOUNT SUFFICIENT TO PROVIDE ABOUT 1 TO 40 P.P.M. OF AVAILABLE OXYGEN TO THE WASH WATER.
Claim 2
Dependent Claim 113 words
A COMPOSITON CONSISTING ESSENTIALLY OF EFFECTIVE AOUNTS OF AN INORGAIC PEROXYGEN COMPOUND, AN ACTIVATOR FOR THE PEROXYGEN COMPOUND AND ABOUT 0.001% TO 4% OF A PROTEOLYTIC ENZYME, SAID ACTIVATOR HAVING A CARBOXYLIC ACRYL GROUP, SAID PEROXYGEN COMPOUND BEING ONE WHICH REACTS WITH SAID ACTIVATOR TO FORM THE CORRESPONDING PERCARBOXYLIC ACID ON ADDITION OF SAID COMPOSITION TO WASH WATER, SAID ACTIVATOR BEING PRESENT IN AMOUNT EFFECTIVE TO SO CONVERT SAID PEROXYGEN COMPOUND AND THEREBY INCREASE THE BLEACHING EFFECT TO SAID PEROXYGEN COMPOUND ON COFFEE/TEA STAINS, SAID COMPOSITION BEING ADAPTED TO BE ADDED TO AQUEOUS WASH WATER IN AN AMOUNT SUFFICIENT TO PROVIDE ABOUT 1 TO 40 P.P.M. OF AVAILABLE OXYGEN TO THE WASH WATER.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-07 1978-04-08 1978-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-07 1982-04-08 1982-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-07 1986-04-08 1986-10-08 $7700.00 Window Closed / Lapsed

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