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US3790482A Expired / Lapsed US ⏱️ 0.0 years remaining

Enzyme-containing detergent compositions

Assignee: Procter and Gamble Co
•
Filing: 1971-06-09
•
Granted: 1974-02-05
•
Expires: 1991-06-09
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Abstract

Abstract ALKALINE DETERGENT COMPOSITIONS CONTAINING AN ORGANIC DETERGENT AND AN ALKALINE BUILDER SALT IN A WEIGHT RATIO OF ABOUT 1:30 TO ABOUT 4:1 AND AN ENZYMATIC MIXTURE OF ABOUT 0.001 TO ABOUT 10% OF A BACILLUS SUBTILUS-DERIVED CARLSBERG SUBTILISIN, AN X-RAY MUTATED BACILLUS SUBSTILUSDERIVED SUBTILISIN OR MIXTURE THEREOF AND ABOUT 0.0003 TO ABOUT 3% OF AN A-AMYLASE, A WEIGHT RATIO 3:1 IS PROTEASE TO A-AMYLASE OF ABOUT 30:1 TO ABOUT 3:1 IS EMPLOYED TO PROVIDE DETERGENT COMPOSITIONS HAVING EXCELLENT CLEANING AND STAIN REMOVAL PROPERTIES.

Inventors

  • 👤 J Jones
  • 👤 E Collier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:25
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38609

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) 1977-02-04 1977-08-06 1978-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-04 1981-08-06 1982-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-04 1985-08-06 1986-02-05 $7700.00 Window Closed / Lapsed

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