...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4117787 | Machine for performing cultivation under plastics The invention provides a machine for performing cultivation under plastics, wherein there is a framework, a ploughshare to make a furrow in the ground, a support bearing a roll of plastic sheet and arranged in such a way that the sheet is positioned on th... | 10/03/1978 |
| 4107112 | Epoxy resin soil stabilizing compositions A method of stabilizing soil, such as sub-bases, bases and wear courses of roads and airport runways, sand dunes and other loose, particulate material, which includes mixing an epoxy resin ester of unsaturated fatty acids with soil, preferably at the opti... | 08/15/1978 |
| 4106296 | Method of soil stabilization A soil stabilizer and a method of stabilizing soil, such as sub-bases, bases and wear courses of roads and airport runways, sand dunes and other loose, particulate material, which includes mixing an epoxy resin ester of unsaturated fatty acids with soil, ... | 08/15/1978 |
| 4092936 | Method and apparatus for seed tape planting A method and apparatus for planting seed tape wherein a seed tape planter is pulled through the field during a planting operation, and planting seed tape is accomplished by forming a seed bed, dispensing seed tape onto or into the formed seed bed, opening... | 06/06/1978 |
| 4090325 | Knitted fabric mulches A mulch product comprising an open-mesh fabric having knittedly inter-connected longitudinal and transverse yarn elements and a multiplicity of parallel strips of paper or other suitable material secured to a surface of the knitted fabric so as to form a ... | 05/23/1978 |
| 4075784 | Method for increasing the productive yield of crops with polyolefin films A method for increasing the productive yield of crops by heat retention, comprising covering or mulching the crops with a polyolefin film containing from about 1 to 15% based on the weight of the polyolefin of an essentially dehydrated kaolinite containin... | 02/28/1978 |
| 4071975 | Method of promoting the growth of plants A method of promoting the growth of plants which comprises applying to the surface of a plant growth medium to be exposed to a source of ultraviolet radiation a light-degradable mulching film for agricultural use, comprising a resin composition, whose res... | 02/07/1978 |
| 4071974 | Thermal retaining garden water blanket Thermal energy retaining means for use in covering soil adjacent growing plants and including a water tight elongated tubular sleeve enclosure having support means at opposed ends thereof. The support means consist of planar means or generally inverted "U... | 02/07/1978 |
| 4071400 | Method for controlling soil erosion Erosion of soil is inhibited by forming a wind and rain resistant mat thereon by the method whereby a water soluble cellulose ether is dispersed in a latex containing at least 2.0 percent solids of an interpolymer of an alkenyl aromatic monomer, a conjuga... | 01/31/1978 |
| 4067140 | Mulch and process of making same A mulch having finely divided fibers of paper coated with a wetting agent and preferably dyed a pleasing color such as green. To produce the mulch, finely divided fibers of paper are coated with a mixture of a solvent or carrier such as water, a wetting a... | 01/10/1978 |
| 4067716 | Growing medium containing combusted bark particles A growing medium for seeds, cuttings, plants and the like contains partially combusted bark particles obtained from bark-burning boiler furnaces of pulp processing concerns. The bark particles possess physical and chemical properties ideally suited for us... | 01/10/1978 |
| 4066431 | Synthetic N-releasing soil conditioner Hexamethylenediamine adipate, NH3+ --(CH2)6 --NH3+ COO- --(CH2)4 --COO- (Nylon Salt), is a nitrogen-containing soil conditioner. Degradation of hexan... | 01/03/1978 |
| 4062145 | Mulch carpet and method for making same A flexible, opaque mulch carpet for inhibiting weed growth while promoting plant growth has a central backing layer of non-rotting, synthetic, open mesh, fabric of relatively high tensile strength sandwiched between an upper layer and a lower layer formed... | 12/13/1977 |
| 4058956 | Vegetation clipping catcher A vegetation clipping catcher for receiving clippings is herein disclosed. Which vegetation clipping catcher includes a support rail and a plurality of rings slideably mounted on the support rail. A rib is respectively connected to each of the slideable r... | 11/22/1977 |
| 4058124 | Disposable absorbent articles containing particulate, free-flowing, insoluble swellable polymers Particulate, free-flowing, insoluble swellable polymers are provided which are comprised of a mixture of an insoluble, swellable hydrogel and inert filler. The mixtures are free-flowing powders or granules which can absorb many times their weight of water... | 11/15/1977 |
| 4049060 | Sod cutter Sod cutting apparatus for attachment to an excavating machine such as a backhoe wherein an elongate blade for cutting a surface layer from the earth is positioned substantially parallel to the surface of the earth and at a controlled depth by an appropria... | 09/20/1977 |
| 4047327 | Ground covering material A vegetation suppressing, ground covering agronomic mulch sheet adapted for the prevention and/or control of undesirable plant growth is disclosed. The sheet is comprised of a web having a maximum light transmittance of about 60% and a minimum air permeab... | 09/13/1977 |
| 4001968 | Soil irrigation system and method Irrigation of a body of soil or other plant-growing medium appropriate for growing plants in hothouses, florist shops and the like is controlled by interposing between the body of soil, which may be in a container having a water-permeable bottom, and a bo... | 01/11/1977 |
| 3998006 | Multiple purpose agricultural weed suppressant and growth enhancement blanket A dark perforated flexible plastic sheet bonded on top of a fertilizer-containing cellulosic fiber blanket in contact with the earth shields the blanket and the soil beneath from the drying effects of the free circulation of air while allowing entry of wa... | 12/21/1976 |
| 3991138 | Resin composition for the formation of light-degradable mulching film for agricultural use A method of promoting the growth of plants which comprises applying to the surface of a plant growth medium to be exposed to a source of ultraviolet radiation a light-degradable mulching film for agricultural use, comprising a resin composition, whose res... | 11/09/1976 |
| 3986463 | Agricultural implement A method and apparatus is provided to conserve moisture for growing crops. An over-the-field carrier is provided with harvesting means for severing a prior year's crop stubble from a field. The leaf and stalk material are separated and the leaf material i... | 10/19/1976 |
| 3984940 | Degradable plastic Films and containers are made from polymers of propylene such as polypropylene which contains a small amount of stabilizer whereby the rapid degradation rate of polypropylene can be controlled so that it will degrade after predetermined exposure to sunlig... | 10/12/1976 |
| 3975859 | Method and means for covering low plant growths A method and article for horticultural protection of plant growths during the maturation thereof whereby the volume exchange of oxygen, carbon dioxide, and moisture is controlled in accordance with the demands thereof during maturation.... | 08/24/1976 |
| 3960763 | Agricultural foams as carriers for activated charcoal Economical foams have been prepared from selected formulations containing whey solids, animal glue, surfactants, viscosity-builders, and activated charcoal. These foams are lightweight and act as carriers for the charcoal. Easy handling and dispersibility... | 06/01/1976 |
| 3958365 | Horticultural aid This invention relates to a horticultural aid in the growing of plants of all kinds in beds, pots, tubs or baskets. The horticultural aid includes the provision of a loose felted web or organic or inorganic fibres or mixtures thereof, applying an adhesive ... | 05/25/1976 |
| 3955319 | Horticultural sheet mulch There is disclosed an agricultural mulch in sheet form pierced by a recurring, closely spaced slit pattern which provides normally closed passage points between the open air and ground at any random point in the growing area for germinating plants and rai... | 05/11/1976 |
| 3951294 | Container for compost decomposition The invention relates to compost bins in completed or in kit form. A plurality of similar panels are interconnected to form a wall in which one or more panels may be raised to afford access to the interior of the bin. The sides of each panel comprise comp... | 04/20/1976 |
| 3949145 | Degradable starch-based agricultural mulch film Disclosed herein are plastic film compositions for agricultural mulch which will withstand outdoor weathering conditions for a desired time and then rapidly disintegrate. The film composition comprises starch, poly(vinyl alcohol), glycerol, and a water-re... | 04/06/1976 |
| 3945330 | Seed planting unit A seed planting unit carries a seed planter that dispenses a predetermined amount of seed into the ground at predetermined intervals in response to the coupling between a ground engaging wheel supporting the unit and the drive means of the seed planter. A... | 03/23/1976 |
| 3945781 | Molding apparatus to form a three dimensional product on a web material Continuous production of a molded three-dimensional product employs an indexing rotatable drum having along its periphery a plurality of mold cavities into which molten thermoplastic material is introduced, and a web of material permeable to the molten th... | 03/23/1976 |
| 3943078 | Soil penetrating, compacting and cementing composition A soil treating composition for mixing with water to form an aqueous solution for treating soil is characterized by including a synthetic latex material in a mixture including hydroxy ethyl cellulose, metal salts and powdered citric acid. For compacting e... | 03/09/1976 |
| 3942457 | Water-borne craft having mix tank or the like movable between elevated and lowered positions A water-borne craft is supported by laterally spaced pontoons, wherein an open-topped receptacle mounted in the open space between the pontoons is movable between a fully elevated position wherein the bottom of the receptacle is at or above the water line... | 03/09/1976 |
| 3939606 | Mulch and methods of manufacturing and utilizing the same A mulch comprises a paper sheet covered substantially completely on one side thereof with a water-impervious material and treated at marginal regions only of the opposite side thereof with a water-insoluble fungicide. The marginal regions of the mulch may... | 02/24/1976 |
| 3938279 | Growth medium to cover the surface of the ground The invention relates to a growth medium which is to be used for covering the surface of the ground and which consists of or contains a mixture of an inorganic mineral binder based on cement, an organic fibrous material and fertiliser.... | 02/17/1976 |
| 3938280 | Mulch and methods of manufacturing and utilizing the same A mulch comprises a paper sheet covered substantially completely on one side thereof with a water-impervious material and treated at marginal regions only of the opposite side thereof with a water-insoluble fungicide. The marginal regions of the mulch may... | 02/17/1976 |
| 3932319 | Blends of biodegradable thermoplastic dialkanoyl polymer, a naturally occurring biodegradable product, a plastic additive and a filler Novel blends comprising biodegradable thermoplastic dialkanoyl polymer, e.g., poly(alkylene adipate), and additional material such as naturally occurring biodegradable product, e.g., tree bark; and to the novel shaped articles therefrom. In one aspect, th... | 01/13/1976 |