GB621732A - Improvements in or relating to the dispersion or dissemination of insecticides, fungicides, weed-killers and the like - Google Patents
Improvements in or relating to the dispersion or dissemination of insecticides, fungicides, weed-killers and the likeInfo
- Publication number
- GB621732A GB621732A GB68945A GB68945A GB621732A GB 621732 A GB621732 A GB 621732A GB 68945 A GB68945 A GB 68945A GB 68945 A GB68945 A GB 68945A GB 621732 A GB621732 A GB 621732A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- container
- ignitable
- pest
- propellant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
- A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
- A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
621,732. Insecticidal fumigants. BATEMAN, E. W., and FLETCHER, W. Jan. 8, 1945, No. 689. [Class 81(i)] [Also in Group XXI] An ignitable composition, adapted to evolte on burning under confined conditions a gas incorporating a vapour of a pest - controlling substance, comprises in admixutre a heat sensitive vaporizable pest-controlling substance, a solid combustible organic compound and a highly oxygenated inorganic compound capable of promoting combustion, these components being pesent in such proportions and the organic and inorganic compounds having such a nature that the calorimetric value of the ignitable composition is not substantially greater than 320 calories/gram. and the composition burns at a rate adequate to ensure that a high proportion of the pest-controlling substance is vaporised without being decomposed. Suitable pestcontrolling substances are D.D.T. and benzene hexachloride including the gamma isomer. Suitable stabilizers (for the pestcontrolling substance) which may be incorporated are urea, diphenylamine or a metal oxide or carbonate, e.g. magnesium or zinc oxide. The self combustible composition which may comprise from 35 to 50 per cent of the ignitable composition may comprise an inorganic oxidizing agent, e.g., a chlorate or a perchlorate such as potassium chlorate, together with an excess of an organic fuel, e.g., lactose, sucrose, glucose, mannitol or sorbitol. Thiourea may also be employed in admixture with other fuels. The ignitable composition may also include an absorbent material such as kieselguhr. A suitable container for igniting the composition has a relatively small discharge orifice or orifices spaced from the composition. In one embodiment the composition is contained in an inner body portion 2 having a perforated wall 6 and co-axially arranged within a container 1 to form an annular space 3 there between. A closure 11 of the container is provided with orifices 20, which may be sealed with waterproof adhesive tape or shellacked paper, and an inner cylindrical part adapted to fit into a recess 10 of a lid 8 of the inner body portion 2 and form a socket to receive an ignition device. In another form suitable as a projectile, the charge in the container is in the form of a tube arranged to burn from the bore and discharge gas through a perforated baffle into a central conduit of the container from which the gas escapes at the end or ends thereof. The composition may be ignited by means of cap, a pull-wire friction device or match composition, or where intended to be ejected, the flash of the propellant may be employed. The container may be of compressed paper, moulded composition or metal. According to the Provisional Specification the self combustible composition may be a propellant such as a smokeless powder or N.C.Y. propellant powder or it may contain a nitrate as the inorganic oxidizing agent. Dinitro-o-creosol is disclosed as a suitable weed killer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB68945A GB621732A (en) | 1945-01-08 | 1945-01-08 | Improvements in or relating to the dispersion or dissemination of insecticides, fungicides, weed-killers and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB68945A GB621732A (en) | 1945-01-08 | 1945-01-08 | Improvements in or relating to the dispersion or dissemination of insecticides, fungicides, weed-killers and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB621732A true GB621732A (en) | 1949-04-19 |
Family
ID=9708797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB68945A Expired GB621732A (en) | 1945-01-08 | 1945-01-08 | Improvements in or relating to the dispersion or dissemination of insecticides, fungicides, weed-killers and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB621732A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541637A (en) * | 1950-07-25 | 1951-02-13 | American Aerovap Inc | Method of vaporizing lindane in ventilated rooms |
WO2010121340A2 (en) * | 2009-04-24 | 2010-10-28 | Ecco Conttrol Controle Ecológico De Pragas Indústria E Comércio Ltda Epp | Self-combusting composition, method for preparing same and use thereof in pesticide compositions |
-
1945
- 1945-01-08 GB GB68945A patent/GB621732A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541637A (en) * | 1950-07-25 | 1951-02-13 | American Aerovap Inc | Method of vaporizing lindane in ventilated rooms |
WO2010121340A2 (en) * | 2009-04-24 | 2010-10-28 | Ecco Conttrol Controle Ecológico De Pragas Indústria E Comércio Ltda Epp | Self-combusting composition, method for preparing same and use thereof in pesticide compositions |
WO2010121340A3 (en) * | 2009-04-24 | 2010-12-16 | Ecco Conttrol Controle Ecológico De Pragas Indústria E Comércio Ltda Epp | Self-combusting composition, method for preparing same and use thereof in pesticide compositions |
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