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US3911110A Expired / Lapsed US ⏱️ 0.0 years remaining

Insecticidal compositions

Assignee: HER MAJESTY IN RIGHT OF CANADA FORESTRY, Minister of
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Filing: 1972-12-22
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Granted: 1975-10-07
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Expires: 1992-12-22
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Abstract

Abstract An insecticidal composition comprising an enteric microorganism which is pathogenic to insects, and the enzyme chitinase. The insecticidal effect is increased by the concurrent contact of the insect with the chitinase. A typical microorganism is Bacillus thuringiensis.

Inventors

  • 👤 Wladimir A Smirnoff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 15:56
CPC Classifications
A; A01; A01N; A01N63/00; A01N63/50; A01N63/20; A01N63/22; A01N63/23

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 17 words
AN INSECTICIDAL COMPOSITION COMPRISING: (A) A ENTERIC MICROORGANISM WHICH IS PATHOGENIC TO INSECTS, AND (B) THE ENZYMECHITINASE.
Claim 2
Dependent Claim 17 words
AN INSECTICIDAL COMPOSITION COMPRISING: (A) A ENTERIC MICROORGANISM WHICH IS PATHOGENIC TO INSECTS, AND (B) THE ENZYMECHITINASE.
Claim 3
Dependent Claim 13 words
The composition of claim 1 wherein the pathogenic microorganism is an entomopathogenic enterobacteriae.
Claim 4
Dependent Claim 20 words
The composition of claim 2 wherein the enterobacteriae is one of Bacillus thuringiensis, Bacillus cereus, Bacillus popilliae and Bacillus moritai.
Claim 5
Dependent Claim 14 words
The composition of claim 3 wherein the pathogenic bacteria is a Bacillus thuringiensis preparation.
Claim 6
Dependent Claim 20 words
The composition of claim 1 wherein the chitinase is present in an effective amount less than about 1% by wt.
Claim 7
Dependent Claim 10 words
The composition of claim 1 including a carrier or diluent.
Claim 8
Dependent Claim 9 words
The composition of claim 1 including a powdered filler.
Claim 9
Independent Claim 24 words
A method of increasing the insecticidal effect of enteric microorganisms pathogenic to insects, comprising contacting insects with the microorganism concurrently with the enzyme chitinase.
Claim 10
Independent Claim 24 words
A method of increasing the insecticidal effect of enteric microorganisms pathogenic to insects, comprising contacting insects with the microorganism concurrently with the enzyme chitinase.
Claim 11
Dependent Claim 14 words
The method of claim 8 wherein chitinase is combined with a Bacillus thuringiensis insecticide.

References Cited (Backward Citations)

US3515641A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-10-06 1979-04-07 1979-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-10-06 1983-04-07 1983-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-10-06 1987-04-07 1987-10-07 $7700.00 Window Closed / Lapsed

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