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US4655794A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid cleaner containing viable microorganisms

Assignee: Novozymes AS
•
Filing: 1986-03-20
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Granted: 1987-04-07
•
Expires: 2006-03-20
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Abstract

Abstract A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent.

Inventors

  • 👤 Ray O. Richardson
  • 👤 Anthony F. Bromirski
  • 👤 Lois T. Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:02
CPC Classifications
C; C11; C11D; C11D10/00; C11D3/00; C11D3/16; C11D3/38; C11D3/381; C11D17/00; C11D17/0008; C11D17/0013

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 52 words
A cleaning composition which comprises a stable suspension of abrasive particles with at least one material selected from the group consisting of hydrophobic silica, alumina, silica, and diatomaceous earth and viable microorganisms in an amount effective to degrade and promote the degregation of sanitary waste, in a water solution containing a detergent.
Claim 2
Dependent Claim 52 words
A cleaning composition which comprises a stable suspension of abrasive particles with at least one material selected from the group consisting of hydrophobic silica, alumina, silica, and diatomaceous earth and viable microorganisms in an amount effective to degrade and promote the degregation of sanitary waste, in a water solution containing a detergent.
Claim 3
Dependent Claim 23 words
The composition of claim 1 in which the microorganisms are present in a concentration of about 1×10 6 /ml to 1×10 9 /ml.
Claim 4
Dependent Claim 22 words
The composition of claim 1 in which the pH of the composition is maintained in the range of about 5.0 to 9.0.
Claim 5
Dependent Claim 26 words
The composition of claim 1 in which the microorganism includes at least one organism from the group consisting of Bacillus, Pseudonmonas, Arthrobacter, Enterobacter, Citrobacter, and Corynebacter.
Claim 6
Dependent Claim 17 words
The composition of claim 1 in which the microorganism comprises at least one strain of Bacillus subtilis.
Claim 7
Dependent Claim 9 words
The composition of claim 1 which includes a thickener.
Claim 8
Dependent Claim 10 words
The composition of claim 6 which includes an antisettling agent.
Claim 9
Dependent Claim 52 words
A cleaning composition which comprises stable suspension of abrasive material and viable microorganisms in a water solution containing a detergent with the concentration of the microorganisms being in a range of about 1×10 6 /ml. to 1×10 9 /ml., said composition having a pH in the range of about 5.0 to 9.0.
Claim 10
Dependent Claim 52 words
A cleaning composition which comprises stable suspension of abrasive material and viable microorganisms in a water solution containing a detergent with the concentration of the microorganisms being in a range of about 1×10 6 /ml. to 1×10 9 /ml., said composition having a pH in the range of about 5.0 to 9.0.
Claim 11
Dependent Claim 26 words
The composition of claim 8 in which the microorganism includes at least one organism from the group consisting of Bacillus, Pseudomonas, Arthrobacter, Enterobacter, Citrobacter, and Corynebacter.
Claim 12
Dependent Claim 46 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-20% Detergent 1-20% Microorganisms 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________
Claim 13
Dependent Claim 46 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-20% Detergent 1-20% Microorganisms 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________
Claim 14
Dependent Claim 46 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-6% Detergent 3-7% Microorganisms 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________
Claim 15
Dependent Claim 46 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-6% Detergent 3-7% Microorganisms 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________
Claim 16
Dependent Claim 48 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-20% Detergent 1-20% Antisettling Agent5% Microorganisms0.5-5% 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________
Claim 17
Dependent Claim 48 words
A cleaning composition which comprises a stable suspension of abrasive particles and viable microorganisms in a water solution containing a detergent having the following composition in weight percent: ______________________________________ Abrasive 2-20% Detergent 1-20% Antisettling Agent5% Microorganisms0.5-5% 1 × 10.sup.6 /ml. to 1 × 10.sup.9 /ml. Water Balance ______________________________________

References Cited (Backward Citations)

US2528403A Cited
US4129527A Cited
US3997460A Cited
US4326978A Cited
US4404128A Cited
US4600522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-04-06 1990-10-06 1991-04-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-04-06 1994-10-06 1995-04-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-04-06 1998-10-06 1999-04-07 $7700.00 Window Closed / Lapsed

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